RE: Clustering Exchange 2000

2003-03-29 Thread Ed Crowley
You need only one.  It provides poor business value.

Ed Crowley MCSE+Internet MVP
Freelance E-Mail Philosopher
Protecting the world from PSTs and Bricked Backups!T


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Hutchins, Mike
Sent: Thursday, March 27, 2003 12:38 PM
To: Exchange Discussions
Subject: Clustering Exchange 2000


I remember seeing all the reasons to not cluster exchange, can someone
point me to those please? 

Thanks!  :-)

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Re: Clustering Exchange 2000

2003-03-28 Thread Allison M. Wittstock
Hello Mike,

You can search the archives for this list at:
http://www.mail-archive.com/exchange%40ls.swynk.com/

If that link doesn't work, just go to http://www.mail-archive.com and
search for 'exchange'.

Regards,
Allison


Am Don, 2003-03-27 um 21.37 schrieb Hutchins, Mike:
 I remember seeing all the reasons to not cluster exchange, can someone
 point me to those please? 
 
 Thanks!  :-)
 



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RE: Clustering Exchange 2000

2003-03-28 Thread Etts, Russell
Hi there

As a person that has a cluster exchange, let me comment:

1) You cannot run the SRS service on a cluster.
2) Microsoft highly recommends an Active - Passive setup
3) There are extra steps needed to get a front end/ back configuration
to work properly
4) The cluster is much more complicated than a regular server.
5) False sense of security.  I have had issues where a mailbox store
corrupted (1018 error).  My cluster didn't save me from that.

Trust me, Exchange 2000 is a wonderful product.  It is also a complex
product.  Why would you want to make things even more complicated by
throwing this on a cluster server?

HTH

Russell
  


-Original Message-
From: Hutchins, Mike [mailto:[EMAIL PROTECTED] 
Sent: Thursday, March 27, 2003 3:38 PM
To: Exchange Discussions

I remember seeing all the reasons to not cluster exchange, can someone
point me to those please? 

Thanks!  :-)

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RE: Clustering Exchange

2002-12-04 Thread Matthew Goodell

As someone said, the reason people cluster is to get the high availability. Our 
experience has been good - E2K certainly still has issues but a reboot often fixes it. 
In the case of a cluster, I can limit the minutes of downtime quite a bit over a 
reboot. Also, when I have to do maintenance, I can limit the impact to a quick 
failover. This may not matter in most environments but when you have dollars tied to 
an SLA, those minutes are seriously worth it - at least it has worked out well for us. 
If I were building systems in anything other than a service provider situation, I 
probably wouldn't bother with clusters either.

Matt Goodell
Mi8 Corporation

-Original Message-
From: Ed Crowley [mailto:[EMAIL PROTECTED]] 
Sent: Sunday, November 24, 2002 11:24 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


If you want maximum uptime, don't cluster.  I am convinced that clustering increases 
downtime.

Ed Crowley MCSE+I MVP
Technical Consultant
hp Services
There are seldom good technological solutions to behavioral problems.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Callan, Chris
Sent: Friday, November 22, 2002 7:57 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


To answer your reasons not to

1. Already have hardware.  Higher ups, didn't mind spending money. 2. Thinking about N 
plus 1 3. True 4. No reason why I would want my server to be a Domain Controller 5. No 
reason why I would want my server to be a Global Catalogue Server 6. Have another 
machine with the srs, and only need it while 2000 and 5.5 are co-existing. 7. True.

The reason my company would like a cluster, to have the most available uptime as 
possible.  So if a server does happen to go down, we wouldn't have much downtime, as 
if we had to fix a standalone server.

-Original Message-
From: Etts, Russell [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 22, 2002 10:44 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Oh Boy

(Time to get on my soap box)...

Reasons not to have an exchange cluster:

Clustering is generally expensive
Clustering is more complex than two servers
Front end\ Back end configurations are more complicated 
Exchange cluster nodes cannot be domain controllers
Exchange cluster nodes cannot be global catalog servers Clusters cannot support the 
SRS service Clustering will not save you in the event of a hardware failure leading to 
a -1018 error and corrupting your mailbox store.

Reasons to cluster exchange:

Looks good on your resume

Trust me... I have a cluster.  Exchange 2000 is complex enough.  Why would you want to 
introduce a cluster and complicate your environment even more?

(Off soap box)

HTH

Russell

Friends don't let friends cluster exchange




-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 22, 2002 10:29 AM
To: Exchange Discussions
Subject: Clustering Exchange


Okay, we have been beating our heads around looking for a cluster option that will 
work for us, obviously Active/Active was shot down, because of the memory 
fragmentation, even though initially MS told us it could be done, for the meantime we 
are looking to just go Active/Passive, I was wondering though what the general 
consensus on going N+1 is.  We are going to explore the possibility to go to this, but 
I wanted to get some opinions on it first.

Chris

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RE: Clustering Exchange

2002-11-24 Thread Ed Crowley
If you want maximum uptime, don't cluster.  I am convinced that
clustering increases downtime.

Ed Crowley MCSE+I MVP
Technical Consultant
hp Services
There are seldom good technological solutions to behavioral problems.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Callan, Chris
Sent: Friday, November 22, 2002 7:57 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


To answer your reasons not to

1. Already have hardware.  Higher ups, didn't mind spending money. 2.
Thinking about N plus 1 3. True 4. No reason why I would want my server
to be a Domain Controller 5. No reason why I would want my server to be
a Global Catalogue Server 6. Have another machine with the srs, and only
need it while 2000 and 5.5 are co-existing. 7. True.

The reason my company would like a cluster, to have the most available
uptime as possible.  So if a server does happen to go down, we wouldn't
have much downtime, as if we had to fix a standalone server.

-Original Message-
From: Etts, Russell [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 22, 2002 10:44 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Oh Boy

(Time to get on my soap box)...

Reasons not to have an exchange cluster:

Clustering is generally expensive
Clustering is more complex than two servers
Front end\ Back end configurations are more complicated 
Exchange cluster nodes cannot be domain controllers
Exchange cluster nodes cannot be global catalog servers Clusters cannot
support the SRS service Clustering will not save you in the event of a
hardware failure leading to a -1018 error and corrupting your mailbox
store.

Reasons to cluster exchange:

Looks good on your resume

Trust me... I have a cluster.  Exchange 2000 is complex enough.  Why
would you want to introduce a cluster and complicate your environment
even more?

(Off soap box)

HTH

Russell

Friends don't let friends cluster exchange




-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 22, 2002 10:29 AM
To: Exchange Discussions
Subject: Clustering Exchange


Okay, we have been beating our heads around looking for a cluster option
that will work for us, obviously Active/Active was shot down, because of
the memory fragmentation, even though initially MS told us it could be
done, for the meantime we are looking to just go Active/Passive, I was
wondering though what the general consensus on going N+1 is.  We are
going to explore the possibility to go to this, but I wanted to get some
opinions on it first.

Chris

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RE: Clustering Exchange

2002-11-22 Thread Narkinsky, Brian
Don't do it.

Been there done it you'll be sorry.  Search the archives for cluster.

We are moving away from a cluster and using  hot spare server and booting off
the SAN for redundancy.

Brian 

-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 22, 2002 10:29 AM
To: Exchange Discussions
Subject: Clustering Exchange


Okay, we have been beating our heads around looking for a cluster option
that will work for us, obviously Active/Active was shot down, because of the
memory fragmentation, even though initially MS told us it could be done, for
the meantime we are looking to just go Active/Passive, I was wondering
though what the general consensus on going N+1 is.  We are going to explore
the possibility to go to this, but I wanted to get some opinions on it
first.

Chris

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RE: Clustering Exchange

2002-11-22 Thread Chris Scharff
Insufficient data.

 -Original Message-
 From: Callan, Chris [mailto:[EMAIL PROTECTED]] 
 Sent: Friday, November 22, 2002 9:29 AM
 To: Exchange Discussions
 
 Okay, we have been beating our heads around looking for a 
 cluster option that will work for us, obviously Active/Active 
 was shot down, because of the memory fragmentation, even 
 though initially MS told us it could be done, for the 
 meantime we are looking to just go Active/Passive, I was 
 wondering though what the general consensus on going N+1 is.  
 We are going to explore the possibility to go to this, but I 
 wanted to get some opinions on it first.

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RE: Clustering Exchange

2002-11-22 Thread Etts, Russell
Oh Boy

(Time to get on my soap box)...

Reasons not to have an exchange cluster:

Clustering is generally expensive
Clustering is more complex than two servers
Front end\ Back end configurations are more complicated 
Exchange cluster nodes cannot be domain controllers
Exchange cluster nodes cannot be global catalog servers
Clusters cannot support the SRS service
Clustering will not save you in the event of a hardware failure leading to a
-1018 error and corrupting your mailbox store.

Reasons to cluster exchange:

Looks good on your resume

Trust me... I have a cluster.  Exchange 2000 is complex enough.  Why would
you want to introduce a cluster and complicate your environment even more?

(Off soap box)

HTH

Russell

Friends don't let friends cluster exchange




-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 22, 2002 10:29 AM
To: Exchange Discussions
Subject: Clustering Exchange


Okay, we have been beating our heads around looking for a cluster option
that will work for us, obviously Active/Active was shot down, because of the
memory fragmentation, even though initially MS told us it could be done, for
the meantime we are looking to just go Active/Passive, I was wondering
though what the general consensus on going N+1 is.  We are going to explore
the possibility to go to this, but I wanted to get some opinions on it
first.

Chris

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RE: Clustering Exchange

2002-11-22 Thread Callan, Chris
To answer your reasons not to

1. Already have hardware.  Higher ups, didn't mind spending money.
2. Thinking about N plus 1
3. True
4. No reason why I would want my server to be a Domain Controller
5. No reason why I would want my server to be a Global Catalogue Server
6. Have another machine with the srs, and only need it while 2000 and 5.5
are co-existing.
7. True.

The reason my company would like a cluster, to have the most available
uptime as possible.  So if a server does happen to go down, we wouldn't have
much downtime, as if we had to fix a standalone server.

-Original Message-
From: Etts, Russell [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 22, 2002 10:44 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Oh Boy

(Time to get on my soap box)...

Reasons not to have an exchange cluster:

Clustering is generally expensive
Clustering is more complex than two servers
Front end\ Back end configurations are more complicated 
Exchange cluster nodes cannot be domain controllers
Exchange cluster nodes cannot be global catalog servers
Clusters cannot support the SRS service
Clustering will not save you in the event of a hardware failure leading to a
-1018 error and corrupting your mailbox store.

Reasons to cluster exchange:

Looks good on your resume

Trust me... I have a cluster.  Exchange 2000 is complex enough.  Why would
you want to introduce a cluster and complicate your environment even more?

(Off soap box)

HTH

Russell

Friends don't let friends cluster exchange




-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Friday, November 22, 2002 10:29 AM
To: Exchange Discussions
Subject: Clustering Exchange


Okay, we have been beating our heads around looking for a cluster option
that will work for us, obviously Active/Active was shot down, because of the
memory fragmentation, even though initially MS told us it could be done, for
the meantime we are looking to just go Active/Passive, I was wondering
though what the general consensus on going N+1 is.  We are going to explore
the possibility to go to this, but I wanted to get some opinions on it
first.

Chris

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RE: Clustering Exchange

2002-11-22 Thread Depp, Dennis M.
I think the general opinion on this list is don't do clusters.  I am
currently working to implement a cluster and it does add an additional
level of difficulty.  In my opinion, if you are going to use a cluster,
an N+1 senario does give you the cluster technology with less hardware
expense.  It does seem to an an additional layer of complexity when you
are initially setting up the cluster.

Dennis

-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]] 
Sent: Friday, November 22, 2002 10:29 AM
To: Exchange Discussions
Subject: Clustering Exchange


Okay, we have been beating our heads around looking for a cluster option
that will work for us, obviously Active/Active was shot down, because of
the memory fragmentation, even though initially MS told us it could be
done, for the meantime we are looking to just go Active/Passive, I was
wondering though what the general consensus on going N+1 is.  We are
going to explore the possibility to go to this, but I wanted to get some
opinions on it first.

Chris

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RE: Clustering Exchange 2000

2002-04-09 Thread Chris Scharff

Change the display name of the 5.5 org before upgrading and their E2K org
will reflect the new name.

 -Original Message-
 From: Sebnem [mailto:[EMAIL PROTECTED]] 
 Sent: Thursday, April 04, 2002 3:37 PM
 To: Exchange Discussions
 Subject: Clustering Exchange 2000
 
 
 Hi all-
 
 I am working with a client who has Exchange 5.5 single server 
 running in their AD. They want to go for Exchange 2000 2-node 
 active/passive clustered environment w/o any downtime. I know 
 that I cannot upgrade an Exchange server to a clustered 
 exchange server. My approach is to install Exchange cluster 
 into the same site and move users from the old Exchange 5.5. 
 Move the bridgehead from the old exchange 5.5 to the new one 
 and get rid of the old one. In that approach do you see any 
 pitfalls? Also if they want to change the organization name, 
 would the same approach work if I install a new organization 
 with the clustered exchange 2000 servers?

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RE: Clustering Exchange

2002-01-21 Thread Dupler, Craig

Can you cluster hot tubs?

-Original Message-
From: Bowles, John L. [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:20 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Kevin...what exactly are you doing there?

___
John Bowles
Exchange Administrator
Enterprise Support  Engineering
Celera Genomics
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]  


-Original Message-
From: Darcy Adams [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 4:19 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Working from your hot tub again, Kevin?

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:15 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics,
William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet
with the whole thing. In was working from home today, reading the
debate, when my colleague calls me and says our system just failed over
(down time aprox. 1 minute). I terminalled in to the servers and
discovered an application error that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough
available memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store,
which in turn parses the addresses to get the corresponding display
names. It detects the corrupted address and generates
MAPI_E_CALL_FAILED, but later this error is overwritten as
MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned
to the Internet Mail Service. The Internet Mail Service detects this as
a serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and
will have to investigate this further, but I must admit that I am glad
that my management was willing to cluster the thing if Exchange can do
this to itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-21 Thread Soysal, Serdar

Yes.  However it does not provide any protection against DOS (Denial of
Soap) attacks.

S.

-Original Message-
From: Dupler, Craig [mailto:[EMAIL PROTECTED]] 
Sent: Monday, January 21, 2002 2:47 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Can you cluster hot tubs?

-Original Message-
From: Bowles, John L. [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:20 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Kevin...what exactly are you doing there?

___
John Bowles
Exchange Administrator
Enterprise Support  Engineering
Celera Genomics
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]  


-Original Message-
From: Darcy Adams [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 4:19 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Working from your hot tub again, Kevin?

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:15 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics, William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet with
the whole thing. In was working from home today, reading the debate, when my
colleague calls me and says our system just failed over (down time aprox. 1
minute). I terminalled in to the servers and discovered an application error
that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough available
memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store, which
in turn parses the addresses to get the corresponding display names. It
detects the corrupted address and generates MAPI_E_CALL_FAILED, but later
this error is overwritten as MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned to
the Internet Mail Service. The Internet Mail Service detects this as a
serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and will
have to investigate this further, but I must admit that I am glad that my
management was willing to cluster the thing if Exchange can do this to
itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-21 Thread Robert T. Echols

If you do cluster, make sure that you have protection.

 -Original Message-
From:   Dupler, Craig [mailto:[EMAIL PROTECTED]] 
Sent:   Monday, January 21, 2002 11:47 AM
To: Exchange Discussions
Subject:RE: Clustering Exchange

Can you cluster hot tubs?

-Original Message-
From: Bowles, John L. [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:20 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Kevin...what exactly are you doing there?

___
John Bowles
Exchange Administrator
Enterprise Support  Engineering
Celera Genomics
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]  


-Original Message-
From: Darcy Adams [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 4:19 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Working from your hot tub again, Kevin?

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:15 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics,
William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet
with the whole thing. In was working from home today, reading the
debate, when my colleague calls me and says our system just failed over
(down time aprox. 1 minute). I terminalled in to the servers and
discovered an application error that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough
available memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store,
which in turn parses the addresses to get the corresponding display
names. It detects the corrupted address and generates
MAPI_E_CALL_FAILED, but later this error is overwritten as
MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned
to the Internet Mail Service. The Internet Mail Service detects this as
a serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and
will have to investigate this further, but I must admit that I am glad
that my management was willing to cluster the thing if Exchange can do
this to itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-18 Thread Ed Crowley

What is the real cost of planned downtime?  Does it
really cost your company anything at all?  (Some have
suggested that productivity might actually increase
when e-mail is down!)  Does reducing planned downtime
really justify the added cost, a very significant
cost, of clustering, especially considering that
planned downtime can be taken at times when few users
are on the system?  It seems to me that clusters for
Exchange seldom can be cost-justified.

Ed Crowley MCSE+I MVP
Tech Consultant
Compaq Computer
There are seldom good technological solutions to
behavioral problems.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf
Of Exchange
Sent: Thursday, January 17, 2002 9:09 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Hmmm...So everyone likes to cut down clustering. I
don't fully agree.

I have worked with it tons, both on the 5.5 and 2000
platforms. It is
more complex, more things can go wrong, many times
'the clustering part
of it' lags behind the other parts of the program,
third party products
aren't always cluster aware and therefore can cause
problems, human
error is much more common because people aren't
sufficiently trained on
it, etc.

But, if you educate yourself on the technology, work
with 3rd parties
that do consider clustering, etc. it is possible to,
first and foremost,
have less planned downtime. That really is one of
clustering's major
benefits. You can deploy service packs, etc. on the
passive nodes while
the active one is still running, and effectively cut a
1/2 hour downtime
situation to 2 minutes (if everything goes well ;-) ).

Also, if the hardware, OS, or a service, goes South on
a system,
failovers happen quite gracefully (given you're up to
date on service
packs) and you will have the service back up faster
than if you weren't
clustered. I've had systems with 5,000 users on them
failover with
minimal reports to the customers help desk...it does
work.

If you're in an environment that has people who know
what they're doing,
and the decision makers above are willing to spend the
money for adding
possibly another 9, clustering can help. If you are
new to the
technology, let others do it - your stand alone server
will run just
fine and will be easier for you to maintain.

If you do go with clustering: Don't do active/active
clusters, and don't
forget that the single point of failure is your
SAN/external disks -
clustering won't save you from database corruption or
external disk
failure.

In your situation it certainly sounds like not
clustering is the right
thing to do. I just wanted to defend the technology a
bit, because I
feel given the right circumstances, it performs as
advertised.

'Hope it helps,

Per Farny
Senior Network Architect
Goliath Networks Inc
[EMAIL PROTECTED]





-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]] 
Posted At: Thursday, January 17, 2002 11:34 AM
Posted To: Exchange
Conversation: Clustering Exchange
Subject: Clustering Exchange

My immediate supervisor mentioned that when we finally
get new Exchange
Servers that we should have them clustered.  Now I
have never clustered
servers before and wouldn't know how to start, but I
just wanted to get
everyone's opinions on the subject to begin with.  How
hard is it to do,
and
how is it to maintain.  What are the pro's and con's. 
Any help would be
appreciated.


__
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RE: Clustering Exchange

2002-01-18 Thread Exchange

Agreed. I am speaking for the few companies that have money to spend,
and say, Yes, I am willing to pay for that. It's worth it to me to get
the reduced (planned) downtime.

Per Farny
Senior Network Architect
Goliath Networks Inc
[EMAIL PROTECTED]

-Original Message-
From: Ed Crowley [mailto:[EMAIL PROTECTED]] 
Posted At: Friday, January 18, 2002 10:59 AM
Posted To: Exchange
Conversation: Clustering Exchange
Subject: RE: Clustering Exchange

What is the real cost of planned downtime?  Does it
really cost your company anything at all?  (Some have
suggested that productivity might actually increase
when e-mail is down!)  Does reducing planned downtime
really justify the added cost, a very significant
cost, of clustering, especially considering that
planned downtime can be taken at times when few users
are on the system?  It seems to me that clusters for
Exchange seldom can be cost-justified.

Ed Crowley MCSE+I MVP
Tech Consultant
Compaq Computer
There are seldom good technological solutions to
behavioral problems.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf
Of Exchange
Sent: Thursday, January 17, 2002 9:09 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Hmmm...So everyone likes to cut down clustering. I
don't fully agree.

I have worked with it tons, both on the 5.5 and 2000
platforms. It is
more complex, more things can go wrong, many times
'the clustering part
of it' lags behind the other parts of the program,
third party products
aren't always cluster aware and therefore can cause
problems, human
error is much more common because people aren't
sufficiently trained on
it, etc.

But, if you educate yourself on the technology, work
with 3rd parties
that do consider clustering, etc. it is possible to,
first and foremost,
have less planned downtime. That really is one of
clustering's major
benefits. You can deploy service packs, etc. on the
passive nodes while
the active one is still running, and effectively cut a
1/2 hour downtime
situation to 2 minutes (if everything goes well ;-) ).

Also, if the hardware, OS, or a service, goes South on
a system,
failovers happen quite gracefully (given you're up to
date on service
packs) and you will have the service back up faster
than if you weren't
clustered. I've had systems with 5,000 users on them
failover with
minimal reports to the customers help desk...it does
work.

If you're in an environment that has people who know
what they're doing,
and the decision makers above are willing to spend the
money for adding
possibly another 9, clustering can help. If you are
new to the
technology, let others do it - your stand alone server
will run just
fine and will be easier for you to maintain.

If you do go with clustering: Don't do active/active
clusters, and don't
forget that the single point of failure is your
SAN/external disks -
clustering won't save you from database corruption or
external disk
failure.

In your situation it certainly sounds like not
clustering is the right
thing to do. I just wanted to defend the technology a
bit, because I
feel given the right circumstances, it performs as
advertised.

'Hope it helps,

Per Farny
Senior Network Architect
Goliath Networks Inc
[EMAIL PROTECTED]





-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]] 
Posted At: Thursday, January 17, 2002 11:34 AM
Posted To: Exchange
Conversation: Clustering Exchange
Subject: Clustering Exchange

My immediate supervisor mentioned that when we finally
get new Exchange
Servers that we should have them clustered.  Now I
have never clustered
servers before and wouldn't know how to start, but I
just wanted to get
everyone's opinions on the subject to begin with.  How
hard is it to do,
and
how is it to maintain.  What are the pro's and con's. 
Any help would be
appreciated.


__
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RE: Clustering Exchange

2002-01-18 Thread Hunter, Lori

Pro: You'll have lots of opportunities to tell your supervisor what an eejit
they truly are.
Con: Everything else about clustering.

-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 11:34 AM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do, and
how is it to maintain.  What are the pro's and con's.  Any help would be
appreciated.

_
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RE: Clustering Exchange

2002-01-18 Thread Ed Smits

Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet with
the whole thing. In was working from home today, reading the debate, when my
colleague calls me and says our system just failed over (down time aprox. 1
minute). I terminalled in to the servers and discovered an application error
that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough available
memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store, which
in turn parses the addresses to get the corresponding display names. It
detects the corrupted address and generates MAPI_E_CALL_FAILED, but later
this error is overwritten as MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned to
the Internet Mail Service. The Internet Mail Service detects this as a
serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and will
have to investigate this further, but I must admit that I am glad that my
management was willing to cluster the thing if Exchange can do this to
itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-18 Thread Ed Smits

Agreed, especially when it's cold outside. But why should I truss you? Into
kink, are we?

-Original Message-
From: Lefkovics, William [mailto:[EMAIL PROTECTED]] 
Sent: Friday, January 18, 2002 2:36 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.


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RE: Clustering Exchange

2002-01-18 Thread Kevin Miller

I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics,
William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet
with the whole thing. In was working from home today, reading the
debate, when my colleague calls me and says our system just failed over
(down time aprox. 1 minute). I terminalled in to the servers and
discovered an application error that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough
available memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store,
which in turn parses the addresses to get the corresponding display
names. It detects the corrupted address and generates
MAPI_E_CALL_FAILED, but later this error is overwritten as
MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned
to the Internet Mail Service. The Internet Mail Service detects this as
a serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and
will have to investigate this further, but I must admit that I am glad
that my management was willing to cluster the thing if Exchange can do
this to itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-18 Thread Tener, Richard

That is nasty

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 4:15 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics,
William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet
with the whole thing. In was working from home today, reading the
debate, when my colleague calls me and says our system just failed over
(down time aprox. 1 minute). I terminalled in to the servers and
discovered an application error that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough
available memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store,
which in turn parses the addresses to get the corresponding display
names. It detects the corrupted address and generates
MAPI_E_CALL_FAILED, but later this error is overwritten as
MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned
to the Internet Mail Service. The Internet Mail Service detects this as
a serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and
will have to investigate this further, but I must admit that I am glad
that my management was willing to cluster the thing if Exchange can do
this to itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-18 Thread Darcy Adams

Working from your hot tub again, Kevin?

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:15 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics,
William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet
with the whole thing. In was working from home today, reading the
debate, when my colleague calls me and says our system just failed over
(down time aprox. 1 minute). I terminalled in to the servers and
discovered an application error that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough
available memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store,
which in turn parses the addresses to get the corresponding display
names. It detects the corrupted address and generates
MAPI_E_CALL_FAILED, but later this error is overwritten as
MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned
to the Internet Mail Service. The Internet Mail Service detects this as
a serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and
will have to investigate this further, but I must admit that I am glad
that my management was willing to cluster the thing if Exchange can do
this to itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-18 Thread Kevin Miller

Not nasty at all. It is called working from the hot tub. No better place
to work from. 

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Tener, Richard
Sent: Friday, January 18, 2002 1:20 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


That is nasty

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 4:15 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics,
William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet
with the whole thing. In was working from home today, reading the
debate, when my colleague calls me and says our system just failed over
(down time aprox. 1 minute). I terminalled in to the servers and
discovered an application error that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough
available memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store,
which in turn parses the addresses to get the corresponding display
names. It detects the corrupted address and generates
MAPI_E_CALL_FAILED, but later this error is overwritten as
MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned
to the Internet Mail Service. The Internet Mail Service detects this as
a serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and
will have to investigate this further, but I must admit that I am glad
that my management was willing to cluster the thing if Exchange can do
this to itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-18 Thread Bowles, John L.

Kevin...what exactly are you doing there?

___
John Bowles
Exchange Administrator
Enterprise Support  Engineering
Celera Genomics
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]  


-Original Message-
From: Darcy Adams [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 4:19 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Working from your hot tub again, Kevin?

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:15 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics,
William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet
with the whole thing. In was working from home today, reading the
debate, when my colleague calls me and says our system just failed over
(down time aprox. 1 minute). I terminalled in to the servers and
discovered an application error that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough
available memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store,
which in turn parses the addresses to get the corresponding display
names. It detects the corrupted address and generates
MAPI_E_CALL_FAILED, but later this error is overwritten as
MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned
to the Internet Mail Service. The Internet Mail Service detects this as
a serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and
will have to investigate this further, but I must admit that I am glad
that my management was willing to cluster the thing if Exchange can do
this to itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-18 Thread Darcy Adams

Figured as much...

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:19 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Not nasty at all. It is called working from the hot tub. No better place
to work from. 

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Tener, Richard
Sent: Friday, January 18, 2002 1:20 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


That is nasty

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 4:15 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics,
William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet
with the whole thing. In was working from home today, reading the
debate, when my colleague calls me and says our system just failed over
(down time aprox. 1 minute). I terminalled in to the servers and
discovered an application error that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough
available memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store,
which in turn parses the addresses to get the corresponding display
names. It detects the corrupted address and generates
MAPI_E_CALL_FAILED, but later this error is overwritten as
MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned
to the Internet Mail Service. The Internet Mail Service detects this as
a serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and
will have to investigate this further, but I must admit that I am glad
that my management was willing to cluster the thing if Exchange can do
this to itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-18 Thread Kevin Miller

Just got to my cabin from work, Son is in bed sick, he feel sleep on the
drive out. I am in the hot tub finishing off a file server I started
building this morning at work. Need to get this DFS thingie all setup.

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Bowles, John L.
Sent: Friday, January 18, 2002 1:20 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Kevin...what exactly are you doing there?

___
John Bowles
Exchange Administrator
Enterprise Support  Engineering
Celera Genomics
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]  


-Original Message-
From: Darcy Adams [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 4:19 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Working from your hot tub again, Kevin?

-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 1:15 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


I work on them with most of my body being wet all the time? Infact I am
right now.. What is wrong with that

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Lefkovics,
William
Sent: Friday, January 18, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Do not work on servers while your feet are wet.

Trut me.

-Original Message-
From: Ed Smits [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 18, 2002 11:38 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Interesting debate on clustering Exchange. We just put in an Exchange
cluster (5.5, sp4, Win2K servers) and I'm slowing getting my feet wet
with the whole thing. In was working from home today, reading the
debate, when my colleague calls me and says our system just failed over
(down time aprox. 1 minute). I terminalled in to the servers and
discovered an application error that started the whole thing:

Event ID:   12800
Description:Message processing failed because there is not enough
available memory (8007000E-F2000200). 

And this on machines with 4 GB RAM. A check of the KB brings up article
Q193782 which informs me that:

CAUSE
The Internet Mail Service submits a message to the information store,
which in turn parses the addresses to get the corresponding display
names. It detects the corrupted address and generates
MAPI_E_CALL_FAILED, but later this error is overwritten as
MAPI_E_NOT_ENOUGH_MEMORY. 

The information store logs an Event ID: 12800, and the error is returned
to the Internet Mail Service. The Internet Mail Service detects this as
a serious error and logs an Event ID: 4182, shutting itself down. 
 
Now, I'm not sure why our server was shut down, it is running SP4, and
will have to investigate this further, but I must admit that I am glad
that my management was willing to cluster the thing if Exchange can do
this to itself. 

Ed Smits
Canada

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RE: Clustering Exchange

2002-01-17 Thread Andy David

Pro: 
Con: Tener is thinking of clustering as well. 



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:34 PM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do, and
how is it to maintain.  What are the pro's and con's.  Any help would be
appreciated.

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The information contained in this email message is privileged and confidential 
information intended only for the use of the individual or entity to whom it is 
addressed.  If the reader of this message is not the intended recipient, you are 
hereby notified that any dissemination, distribution or copy of this message is 
strictly prohibited.  If you have received this email in error, please immediately 
notify Veronis Suhler Stevenson by telephone (212)935-4990, fax (212)381-8168, or 
email ([EMAIL PROTECTED]) and delete the message.  Thank you.

==


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RE: Clustering Exchange

2002-01-17 Thread Bob Sadler

Now stop it!  Damn you Andy, coke coming out my nose just isn't what I wanted to 
experience today!



Bob Sadler
City of Leawood, KS, USA
Internet/WAN Specialist
913-339-6700 X194
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] 


-Original Message-
From: Andy David [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Pro: 
Con: Tener is thinking of clustering as well. 



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:34 PM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do, and
how is it to maintain.  What are the pro's and con's.  Any help would be
appreciated.

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The information contained in this email message is privileged and confidential 
information intended only for the use of the individual or entity to whom it is 
addressed.  If the reader of this message is not the intended recipient, you are 
hereby notified that any dissemination, distribution or copy of this message is 
strictly prohibited.  If you have received this email in error, please immediately 
notify Veronis Suhler Stevenson by telephone (212)935-4990, fax (212)381-8168, or 
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RE: Clustering Exchange

2002-01-17 Thread Lefkovics, William

My favourite cluster deployment is single-node - Ed Crowley

I assume that to be an active cluster.


-Original Message-
From: Andy David [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 9:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Pro: 
Con: Tener is thinking of clustering as well. 



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:34 PM
To: Exchange Discussions
Subject: Clustering Exchange


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RE: Clustering Exchange

2002-01-17 Thread Kevin Miller

William gets me all the time with the coke. Ruined a Keyboard last week.

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Bob Sadler
Sent: Thursday, January 17, 2002 9:39 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Now stop it!  Damn you Andy, coke coming out my nose just isn't what I
wanted to experience today!



Bob Sadler
City of Leawood, KS, USA
Internet/WAN Specialist
913-339-6700 X194
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] 


-Original Message-
From: Andy David [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Pro: 
Con: Tener is thinking of clustering as well. 



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:34 PM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do,
and how is it to maintain.  What are the pro's and con's.  Any help
would be appreciated.

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--
The information contained in this email message is privileged and
confidential information intended only for the use of the individual or
entity to whom it is addressed.  If the reader of this message is not
the intended recipient, you are hereby notified that any dissemination,
distribution or copy of this message is strictly prohibited.  If you
have received this email in error, please immediately notify Veronis
Suhler Stevenson by telephone (212)935-4990, fax (212)381-8168, or email
([EMAIL PROTECTED]) and delete the message.  Thank you.


==


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RE: Clustering Exchange

2002-01-17 Thread Robert Moir

 -Original Message-
 From: Callan, Chris [mailto:[EMAIL PROTECTED]] 
 Sent: 17 January 2002 17:34
 To: Exchange Discussions
 Subject: Clustering Exchange
 
 
 My immediate supervisor mentioned that when we finally get 
 new Exchange Servers that we should have them clustered.

Nope you shouldn't.

  Now 
 I have never clustered servers before and wouldn't know how 
 to start, but I just wanted to get everyone's opinions on the 
 subject to begin with.  How hard is it to do, and how is it 
 to maintain.  What are the pro's and con's.  Any help would 
 be appreciated.

The cons are it's a sod to set up, and gains you very little additional
functionality or reliability or disaster recovery abilities. 

The Pros are umm..ah... That you'll know how to setup a cluster after doing
it, and it looks good on your resume to people who don't know what a bad
idea it is to cluster exchange.

-- 
Robert Moir, MSMVP
IT Systems Engineer, 
Luton Sixth Form College
Rome did not create a mighty empire by having management meetings

-- 
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The contents of this email do not necessarily represent the views or
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RE: Clustering Exchange

2002-01-17 Thread Bowles, John L.

Clustering...I was thinking about doing that w/my new E2K servers, but after
everyone talking about suspected problems w/clustering I just bagged it and
just bought a high end server that will take care of the servers we have
hosting mailboxes.  It's more of a problem then what it's worth.  

What if you drink Pepsi??? Does that ruin keyboards?

___
John Bowles
Exchange Administrator
Enterprise Support  Engineering
Celera Genomics
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]  


-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:41 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


William gets me all the time with the coke. Ruined a Keyboard last week.

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Bob Sadler
Sent: Thursday, January 17, 2002 9:39 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Now stop it!  Damn you Andy, coke coming out my nose just isn't what I
wanted to experience today!



Bob Sadler
City of Leawood, KS, USA
Internet/WAN Specialist
913-339-6700 X194
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] 


-Original Message-
From: Andy David [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Pro: 
Con: Tener is thinking of clustering as well. 



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:34 PM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do,
and how is it to maintain.  What are the pro's and con's.  Any help
would be appreciated.

_
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The information contained in this email message is privileged and
confidential information intended only for the use of the individual or
entity to whom it is addressed.  If the reader of this message is not
the intended recipient, you are hereby notified that any dissemination,
distribution or copy of this message is strictly prohibited.  If you
have received this email in error, please immediately notify Veronis
Suhler Stevenson by telephone (212)935-4990, fax (212)381-8168, or email
([EMAIL PROTECTED]) and delete the message.  Thank you.


==


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RE: Clustering Exchange

2002-01-17 Thread Kevin Miller

Good to hear you finally gave up on that one.. Now all you have to do it
finish the upgrade then all will be well.

You might be shot on the spot for dinking Pepsi. 

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Bowles, John L.
Sent: Thursday, January 17, 2002 9:49 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Clustering...I was thinking about doing that w/my new E2K servers, but
after everyone talking about suspected problems w/clustering I just
bagged it and just bought a high end server that will take care of the
servers we have hosting mailboxes.  It's more of a problem then what
it's worth.  

What if you drink Pepsi??? Does that ruin keyboards?

___
John Bowles
Exchange Administrator
Enterprise Support  Engineering
Celera Genomics
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]  


-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:41 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


William gets me all the time with the coke. Ruined a Keyboard last week.

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Bob Sadler
Sent: Thursday, January 17, 2002 9:39 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Now stop it!  Damn you Andy, coke coming out my nose just isn't what I
wanted to experience today!



Bob Sadler
City of Leawood, KS, USA
Internet/WAN Specialist
913-339-6700 X194
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] 


-Original Message-
From: Andy David [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Pro: 
Con: Tener is thinking of clustering as well. 



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:34 PM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do,
and how is it to maintain.  What are the pro's and con's.  Any help
would be appreciated.

_
List posting FAQ:   http://www.swinc.com/resource/exch_faq.htm
Archives:   http://www.swynk.com/sitesearch/search.asp
To unsubscribe: mailto:[EMAIL PROTECTED]
Exchange List admin:[EMAIL PROTECTED]


--
The information contained in this email message is privileged and
confidential information intended only for the use of the individual or
entity to whom it is addressed.  If the reader of this message is not
the intended recipient, you are hereby notified that any dissemination,
distribution or copy of this message is strictly prohibited.  If you
have received this email in error, please immediately notify Veronis
Suhler Stevenson by telephone (212)935-4990, fax (212)381-8168, or email
([EMAIL PROTECTED]) and delete the message.  Thank you.


==


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RE: Clustering Exchange

2002-01-17 Thread Bowles, John L.

How about Mr. Pibb???

___
John Bowles
Exchange Administrator
Enterprise Support  Engineering
Celera Genomics
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]  


-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:51 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Good to hear you finally gave up on that one.. Now all you have to do it
finish the upgrade then all will be well.

You might be shot on the spot for dinking Pepsi. 

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Bowles, John L.
Sent: Thursday, January 17, 2002 9:49 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Clustering...I was thinking about doing that w/my new E2K servers, but
after everyone talking about suspected problems w/clustering I just
bagged it and just bought a high end server that will take care of the
servers we have hosting mailboxes.  It's more of a problem then what
it's worth.  

What if you drink Pepsi??? Does that ruin keyboards?

___
John Bowles
Exchange Administrator
Enterprise Support  Engineering
Celera Genomics
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]  


-Original Message-
From: Kevin Miller [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:41 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


William gets me all the time with the coke. Ruined a Keyboard last week.

--Kevinm M, WLKMMAS, UCC+WCA, And Beyond
He's a Dentist, a Detective, a MindReader, No He is in IT.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Bob Sadler
Sent: Thursday, January 17, 2002 9:39 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Now stop it!  Damn you Andy, coke coming out my nose just isn't what I
wanted to experience today!



Bob Sadler
City of Leawood, KS, USA
Internet/WAN Specialist
913-339-6700 X194
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] 


-Original Message-
From: Andy David [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 11:36 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Pro: 
Con: Tener is thinking of clustering as well. 



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:34 PM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do,
and how is it to maintain.  What are the pro's and con's.  Any help
would be appreciated.

_
List posting FAQ:   http://www.swinc.com/resource/exch_faq.htm
Archives:   http://www.swynk.com/sitesearch/search.asp
To unsubscribe: mailto:[EMAIL PROTECTED]
Exchange List admin:[EMAIL PROTECTED]


--
The information contained in this email message is privileged and
confidential information intended only for the use of the individual or
entity to whom it is addressed.  If the reader of this message is not
the intended recipient, you are hereby notified that any dissemination,
distribution or copy of this message is strictly prohibited.  If you
have received this email in error, please immediately notify Veronis
Suhler Stevenson by telephone (212)935-4990, fax (212)381-8168, or email
([EMAIL PROTECTED]) and delete the message.  Thank you.


==


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RE: Clustering Exchange

2002-01-17 Thread Tener, Richard

not anymore but if you want me too hahaha
oh can I practice on your server first

-Original Message-
From: Andy David [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:36 PM
To: Exchange Discussions
Subject: RE: Clustering Exchange


Pro: 
Con: Tener is thinking of clustering as well. 



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 12:34 PM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do, and
how is it to maintain.  What are the pro's and con's.  Any help would be
appreciated.

_
List posting FAQ:   http://www.swinc.com/resource/exch_faq.htm
Archives:   http://www.swynk.com/sitesearch/search.asp
To unsubscribe: mailto:[EMAIL PROTECTED]
Exchange List admin:[EMAIL PROTECTED]


--
The information contained in this email message is privileged and
confidential information intended only for the use of the individual or
entity to whom it is addressed.  If the reader of this message is not the
intended recipient, you are hereby notified that any dissemination,
distribution or copy of this message is strictly prohibited.  If you have
received this email in error, please immediately notify Veronis Suhler
Stevenson by telephone (212)935-4990, fax (212)381-8168, or email
([EMAIL PROTECTED]) and delete the message.  Thank you.


==


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RE: Clustering Exchange

2002-01-17 Thread Dupler, Craig

You should benchmark your reliability.  Work with your vendors to determine
exactly what your current configuration will deliver in terms of:

- mean time between data loss events
Your first supporting table for this statistic should look like a seismic
event map so you can project not just the frequency of an event, but the
frequency of events of various magnitude.  You need a second supporting
table for this statistic should list all of the probable causes of data loss
events, and their relative probability.

- mean time between single server outages
You need the same accompanying table showing the projected recovery times,
assuming that you project that some outages will be more severe than others.
You need the same second supporting table listing causes in order of
probability.

- mean time between total system outages
You need the same accompanying table showing the projected recovery times,
assuming that you project that some outages will be more severe than others.
You need the same second supporting table listing causes in order of
probability.

Once you have all of this data in hand, and NOT BEFORE, then you have the
data that you need to propose various procedural changes and technical
upgrades, and you can project with a high degree of accuracy exactly how
much additional reliability you will get for a given investment.  After
that, it is a simple business decision.

Any other approach is simply playing with toys and making wild unsupported
guesses.  But hey, playing with clustering technology can be fun, even if it
does drive down your reliability due to guaranteeing an increase in both
system outages and data loss events, both deriving largely from sys admin
error rates increasing due to the added complexity.



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 9:34 AM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do, and
how is it to maintain.  What are the pro's and con's.  Any help would be
appreciated.

_
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RE: Clustering Exchange

2002-01-17 Thread Ed Crowley

My theory is that, at least at the current stage of the technology,
clustering could actually decrease your reliability.

Chris, ask you boss what specific benefits he is expecting to get from
clustering.  Then we can go from there.

Ed Crowley MCSE+I MVP
Tech Consultant
Compaq Computer
There are seldom good technological solutions to behavioral problems.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Dupler, Craig
Sent: Thursday, January 17, 2002 9:47 AM
To: Exchange Discussions
Subject: RE: Clustering Exchange


You should benchmark your reliability.  Work with your vendors to determine
exactly what your current configuration will deliver in terms of:

- mean time between data loss events
Your first supporting table for this statistic should look like a seismic
event map so you can project not just the frequency of an event, but the
frequency of events of various magnitude.  You need a second supporting
table for this statistic should list all of the probable causes of data loss
events, and their relative probability.

- mean time between single server outages
You need the same accompanying table showing the projected recovery times,
assuming that you project that some outages will be more severe than others.
You need the same second supporting table listing causes in order of
probability.

- mean time between total system outages
You need the same accompanying table showing the projected recovery times,
assuming that you project that some outages will be more severe than others.
You need the same second supporting table listing causes in order of
probability.

Once you have all of this data in hand, and NOT BEFORE, then you have the
data that you need to propose various procedural changes and technical
upgrades, and you can project with a high degree of accuracy exactly how
much additional reliability you will get for a given investment.  After
that, it is a simple business decision.

Any other approach is simply playing with toys and making wild unsupported
guesses.  But hey, playing with clustering technology can be fun, even if it
does drive down your reliability due to guaranteeing an increase in both
system outages and data loss events, both deriving largely from sys admin
error rates increasing due to the added complexity.



-Original Message-
From: Callan, Chris [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 17, 2002 9:34 AM
To: Exchange Discussions
Subject: Clustering Exchange


My immediate supervisor mentioned that when we finally get new Exchange
Servers that we should have them clustered.  Now I have never clustered
servers before and wouldn't know how to start, but I just wanted to get
everyone's opinions on the subject to begin with.  How hard is it to do, and
how is it to maintain.  What are the pro's and con's.  Any help would be
appreciated.

_
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Archives:   http://www.swynk.com/sitesearch/search.asp
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RE: Clustering exchange 5.5

2001-08-24 Thread Ed Crowley

Don't bother.

Ed Crowley MCSE+Internet MVP
Tech Consultant
Compaq Computer Corporation
All your base are belong to us.


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Trevor Wagnitz
Sent: Friday, August 24, 2001 2:34 PM
To: Exchange Discussions
Subject: Clustering exchange 5.5


I am doing some research on clustering my Exchange environment.  Does
anyone have any good advice or recommendations about where I can get
information.  Thanks

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