So, should I entirely avoid ClusterCATS?
Rick Root wrote:
Anyone out there using ClusterCATS for load-balancing/failover? We have
two licenses of CFMX Enterprise and we might go this route if it's reliable.
From what I can tell, ClusterCATS will redirect requests from server A
to server
Hi Rick,
you wrote:
So, should I entirely avoid ClusterCATS?
The last time I used ClusterCats there were two sets of functionality,
one aspect was load balancing where CC redirected to another server via
a different URL and the second aspect was fail-over where a machine died
entirely
Anyone out there using ClusterCATS for load-balancing/failover? We have
two licenses of CFMX Enterprise and we might go this route if it's reliable.
From what I can tell, ClusterCATS will redirect requests from server A
to server B using a different url...
Ie, when someone types
ClusterCATS Manager detected failure of probe Verity
(D:\CFusion\cfam\program/cfprobe.exe
http:///search97cgi/s97_cgi.exe?querytext=testAction=SearchRe
sultTemplate=FIRSthome_nf.htscollection=C5 Query NORESTART NOLOGGING) on
server GlobalProbe. Returned value 2; expected value 0. Server
Hi All,
Does anyone here know if/the best way to monitor/control ClusterCats
systems? I'd like to be able to write a small CF app to monitor each server
in the cluster and control it. Any advice would be greatly appreciated.
Thanks,
Gavin
http://livedocs.macromedia.com/coldfusion/6/Using_ClusterCATS/config2.htm#11
17658
-Original Message-
From: Gavin Brook [mailto:[EMAIL PROTECTED]
Sent: 23 November 2004 16:06
To: CF-Talk
Subject: ClusterCats Monitoring
Hi All,
Does anyone here know if/the best way to monitor
Currently we have 3 production web servers all running CF5 (CFMX upgrade is not an option for us), different sites on each m/c. Each box services betwen 5 and 8 web sites. We don't run our own dns.What we would like to do is have all the m/c's look the same,and use either clustercats or win2k
oi CF-Talk,!!
We are trying to cluster two servers using CFMX Enterprise and
ClusterCats with WIN2K and IIS 5.We are following the directions
outlined in the Using ClusterCats PDF from the Macromedia website.The
problem we are having is with setting up the Dynamic IP addressing so
the servers
to go, I'd
like to play around with it a little myself.
The platform would be Windows 2000 or Windows 2003 and CFMX 6.1
Enterprise. From what I've read about ClusterCATS it's supposed to
install with CFMX right? Is this also true for the trial download of
CFMX (which is the Enterprise version)? I'd
AM
To: CF-Talk
Subject: CFMX and ClusterCATS?
Hi All,
Sorry for the repost... but I can't believe that nobody out there has
any info...
Does anyone here have any experience with CFMX6.1 and clustering? I'm
looking to load balance two T1 connections across 2-4 CFMX boxes. But
before I go
minutes for those DNS changes to
roll.I want to provide something better than that.
Thanks,
-Novak
-Original Message-
From: Barney Boisvert [mailto:[EMAIL PROTECTED]
Sent: Friday, October 24, 2003 10:13 AM
To: CF-Talk
Subject: RE: CFMX and ClusterCATS?
I just set up a clustered
We played around with clustercats...it is on the CFMX CD (I think) and
there is a download on Macromedia's site where you can get it.
We tested in on Windows 2003 Web Edition without anything in front.
Worked pretty well, if we killed one server, the other would take over
with very little loss
and ClusterCATS?
I just set up a clustered arrangement, but I'm on Linux, so I won't be
of
much assistance.We didn't cluster the CF servers directly, but
rather
just
used a load balancer (actually a pair) in front to delegate each
request
to
one of the CF servers.I'm not sure what clustering
with the setup.
cheers,
barneyb
-Original Message-
From: cf-talk [mailto:[EMAIL PROTECTED]
Sent: Friday, October 24, 2003 10:22 AM
To: CF-Talk
Subject: RE: CFMX and ClusterCATS?
Barney,
So did you purchase an piece of NLB hardware to run in front of your
boxes or are you using a Linux box
and ClusterCATS?
I know it's not the best method as you said, but how are you doing the
DNS failover? I'd be interested as we're trying to devise a long term
plan for balancing two servers but right now they're in different
physical locations and I need a quick, short-term solution.
Thanks
On Fri, 2003
ways to skin a cat. ;-)
Stace
_
From: Matthew Fusfield [mailto:[EMAIL PROTECTED]
Sent: October 24, 2003 1:34 PM
To: CF-Talk
Subject: RE: CFMX and ClusterCATS?
We played around with clustercats...it is on the CFMX CD (I think) and
there is a download on Macromedia's site where you can get
Subject: RE: CFMX and ClusterCATS?
I know it's not the best method as you said, but how are you doing the
DNS failover? I'd be interested as we're trying to devise a long term
plan for balancing two servers but right now they're in different
physical locations and I need a quick, short-term
To: CF-Talk
Subject: Re: DNS Auto Failover (was: CFMX and ClusterCATS?)
A, I see, ok that's a pretty good idea actually. Other than being
slightly slower than load balancing it's not a bad idea.
I can't imagine a server being down for 20 minutes though, my boss would
have shot me long before
Hi,
Has anyone had success in running ClusterCats with Apache 2? My IT guys
at work are trying to bring up a testing cluster using CFMX 6.1, JRun 4
Updater 2, and Apache 2.0.46 (I think) on beta 2 of Red Hat Enterprise
Linux 3 AS. They're hitting an error along the way and have narrowed
FYI,
I've been told that MM answered a tech support request and said that
ClusterCats will not be ported to support Apache 2, and are
recommending a hardware solution. We're looking at Cisco's
LocalDirector line. Any other vendor suggestions?
On Tuesday, Oct 7, 2003, at 08:08 US/Eastern
to be fully
redundant.
Yes, we are on Apache 2 as well.
Jeremy
-Original Message-
From: Howard Fore [mailto:[EMAIL PROTECTED]
Sent: Tuesday, October 07, 2003 11:07 AM
To: CF-Talk
Subject: Re: Clustercats and Apache 2?
FYI,
I've been told that MM answered a tech support request and said
Hi all,
I'm posting this message in cf-talk (as opposed to cf-server) in hopes that this list
(which has more traffic) can help me find an answer. Apologies for the inconvenience.
I'm running CF5/Win2K/IIS5. I have ClusterCats set up for three servers in our
environment. I've set up a probe
Vinny, we have an article in our blog that shows advanced troubleshooting techniques
for Clustercats on Win 2K, it might help you.
http://www.webapper.net/index.cfm?fuseaction=Fuseblog.ShowCommentsArticleID=20030923064141
Kind Regards - Mike Brunt
Original Message ---
Hi
I installed ClusterCats a while ago and had to Uninstall it but for some
reason, the uninstall didnt work properly and i tried to delete registry
key..didnt work.
Machine OS - Win2k SP3.
ClusterCats Version : ClusterCats for CFMX
Keep getting this error on server boot.
The HTTP Filter DLL E
In attempting to go to http://www.foo.com, ClusterCats seems to be working properly,
however the URL that appears in the browser's address line is either
http://www1.foo.com or http://www2.foo.com.
Anyone know if there is a way to suppress the numeric server identifier? Documentation
, 2002 1:04 PM
Subject: ClusterCats server name issue
In attempting to go to http://www.foo.com, ClusterCats seems to be working
properly, however the URL that appears in the browser's address line is
either http://www1.foo.com or http://www2.foo.com.
Anyone know if there is a way to suppress
We're on CF4.5.1 SP2 Enterprise, on two Win2K servers, using ClusterCats for
load balancing. On one server mostly, and sometimes the other, we are
seeing entries from wsprobe in the Application Event log where it is
restarting IIS. The intervals between restarts can be pretty random, but
when
Here is the scenario.
We have decided to cluster our server environment to improve performance as
well as add more fail over assurance.
Environment:
4 Identical servers.
1 File Server (where all of the files will reside)
From what I have gathered about Cluster Cats, it requires that your
If anyone is doing ClusterCats, I have a configuration question that I
can't figure out. I have the IP/DNS information correct and the clustering
works correctly but my NT event logs are filling up with cluster errors
every 30 seconds.
Twice a minute I get an event log telling me
Hey all, has anyone ever set up a custom 503 error in cluster cats on CF
5?
We want a custom page to display for that period where one server has
not fully bounced over to the other server and the Name is not a part
of cluster type message is displayed. We found a tech note mentioning a
reg key
ColdFusion Clusters) states:
To ensure that users are not redirected from the server on which they start their
session, ClusterCATS provides a built-in feature for enabling session-aware load
balancing.
So ... I'm getting nervous here. Does anyone have experience with session-aware load
As I understand it, clustercats will loadbalance an initial request to a
server with the best response time. Every request after that from the
same session will then be re-directed to the same server. This is
sticky sessions and will(should) enable you to keep using session
variables. If you
To: CF-Talk
Subject: RE: ClusterCATS and stickiness
As I understand it, clustercats will loadbalance an initial request to a
server with the best response time. Every request after that from the
same session will then be re-directed to the same server. This is
sticky sessions and will(should
ColdFusion Clusters) states:
To ensure that users are not redirected from the server on which they
start their session, ClusterCATS provides a built-in feature for enabling
session-aware load balancing.
So ... I'm getting nervous here. Does anyone have experience with
session-aware load
I had a problem with similar symptoms; turned out that the probe process
couldn't access cfprobe.cfm. The method ClusterCats uses to decide where to
look for cfprobe.cfm is not clear to me, and if it can't get it for any
reason it decides that the server is busy. Look in your IIS (or whatever
Yeah, the more I dug into this I realized this is how clustercats was
monitoring the load state of each machine in the cluster... I verified that
/btauxdir/cfprobe.cfm was public viewable over http://.
I went ahead and took a look at the log files for each web server and I can
see where ever 60
duplicate regardless of applying the hotfix or not.
On an unrelated note, I've descovered on every install of every machine I've
ever made of CF5 w/ custerCATS the reset feature under ClusterCATS
Administrator - Advanced - Reset fails with an unable to remove Btauxdir
error message.
I've looked
Hi Guys,
Don't know if this is the right place to ask but I will.
I have created a cluster on CF 4.5.1 SP2 (Two Machines)
Using Dynamic IP's and Maintenance IP's.
We thought that we would test a system crash.
i.e. Switch one of the machines off.
But when it comes back up the cluster admin
Kevin,
We had this same issue, there is a article in the allaire KB on this.
What is needed is to change to dynamic IPs
Kirk
- Original Message -
From: McCabe, Kevin [EMAIL PROTECTED]
To: CF-Talk [EMAIL PROTECTED]
Sent: Friday, June 15, 2001 6:24 AM
Subject: ClusterCats?
Hi Guys
Dear subscribers,
please recomend me failover (and load balancing - it is important)
solution than can clusterise IIS/ColdFusion servers. Ideal will be
analog of ClusterCats.
I have tried ClusterCats, but it can't clusterise multi-webservers
IIS sites (I want create cluster for several virtual
/17/01 07:12AM
Dear subscribers,
please recomend me failover (and load balancing - it is important)
solution than can clusterise IIS/ColdFusion servers. Ideal will be
analog of ClusterCats.
I have tried ClusterCats, but it can't clusterise multi-webservers
IIS sites (I want create cluster
Hello!
Has anyone of you experience with ClusterCats working together or stressed
with the MS WebApplication Stress Tool?
When stressing with 4 concurrent users, the number of hits is decreasing in
the clustered environment (session aware management = ON) about more than
the half! Stressing
Try this link.
http://www.katungroup.com/cfscale.htm
-Original Message-
From: Joseph Thompson [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, April 24, 2001 9:35 PM
To: CF-Talk
Subject: ClusterCats
If any one has any experience in setting up ClusterCats in a Win2K
environment could
Great, ty.
Is it me or is ClusterCats just not that popular?
I know there are other methods of clustering anyone have a favourite?
Try this link.
http://www.katungroup.com/cfscale.htm
-Original Message-
From: Joseph Thompson [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, April 24
unauthorized alterations to
this e-mail or attachment to it
- Original Message -
From: Joseph Thompson [EMAIL PROTECTED]
To: CF-Talk [EMAIL PROTECTED]
Sent: Wednesday, April 25, 2001 4:16 AM
Subject: Re: ClusterCats
Great, ty.
Is it me or is ClusterCats just not that popular?
I know
-
From: Joseph Thompson [EMAIL PROTECTED]
To: CF-Talk [EMAIL PROTECTED]
Sent: Wednesday, April 25, 2001 4:16 AM
Subject: Re: ClusterCats
Great, ty.
Is it me or is ClusterCats just not that popular?
I know there are other methods of clustering anyone have a
favourite?
Try
If any one has any experience in setting up ClusterCats in a Win2K
environment could they conact me on/off list?
~~
Structure your ColdFusion code with Fusebox. Get the official book at
http://www.fusionauthority.com/bkinfo.cfm
Archives: http
Doing some research on Clustering within a Cold Fusion environment and I
came accross the ClusterCATS product. I have read about it before and it
seems that it would suit our needs well. The only thing I cannot seem to
find is, WHERE CAN I GET IT?
Anyone help me out here?
Thanks
It's bundled as a component of CF Enterprise.
-S
-Original Message-
From: Chris Alvarado [mailto:[EMAIL PROTECTED]]
Sent: Monday, February 12, 2001 10:07 AM
To: CF-Talk
Subject: ClusterCATS
Doing some research on Clustering within a Cold Fusion environment and I
came accross
is it an additional install? or is it automatically installed with CF Server
Ent? The reason I ask is we have the CF Server Enterprise Upgrade. I looked
thrugh the install CD and cannot find any reference to an install for
ClusterCATS. The only thing I see referring to ClusterCATS is in the CF
is it an additional install? or is it automatically installed
with CF Server Ent? The reason I ask is we have the CF Server
Enterprise Upgrade. I looked thrugh the install CD and cannot
find any reference to an install for ClusterCATS. The only thing
I see referring to ClusterCATS
If I am using a hardware load balancing router (such as Cisco LoadDirector, or F5, or
Alteon, etc), my application does not use Session variables, and my Client variables
are stored in the database...
Is there any benefit in using ClusterCATS in addition to my hardware load balancer?
I
If I am using a hardware load balancing router (such as Cisco
LoadDirector, or F5, or Alteon, etc), my application does not use
Session variables, and my Client variables are stored in the database...
Is there any benefit in using ClusterCATS in addition to my
hardware load balancer?
I
://www.price.com
-Original Message-
From: Philip Arnold - ASP [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, January 23, 2001 7:30 AM
To: CF-Talk
Subject: RE: ClusterCATS vs. hardware
If I am using a hardware load balancing router (such as Cisco
LoadDirector, or F5, or Alteon, etc), my application
When I need to take a server down for a significant period of time and
possible multiple reboots, I'd like to tell clustercats that a machine is
down and that its IP address should be assumed by other cluster members
until told otherwise. I want to prevent any traffic from coming to the
machine
You can use F5 to distribute the load to a CF server just like you would to
an ASP server. However, if you buy CF Enterprise you might as well turn on
the ClusterCats portion to assist in some of the load balancing. Allaire
has an integration plan for CF and Cisco's Local Director. You might
You can use F5 to distribute the load to a CF server just like you would to
an ASP server. However, if you buy CF Enterprise you might as well turn on
the ClusterCats portion to assist in some of the load balancing. Allaire
has an integration plan for CF and Cisco's Local Director. You might
Opps.. found it:
http://www.allaire.com/Handlers/index.cfm?ID=15984Method=Full
Thanks for the tip, Doug.
Sincerely,
Rob Sherman
President
CFDude, Inc. http://www.cfdude.com
Allaire Certified Developer Instructor
--
Office (310) 543-1622
the ClusterCats software.
If anyone has any do's / don'ts or "gotchas" I'd appreciate the insight.
Sincerely,
Rob Sherman
President
CFDude, Inc. http://www.cfdude.com
Allaire Certified Developer Instructor
--
Office (310) 543-162
We are beginning to look into clustering technology. Is anyone using ClusterCATS?
How would you relate it to other clustering packages?
Any info or pointers you can provide is much appreciated,
Kevin
--
Archives
We are using ClusterCats for one of our projects which has 2 web servers and
2 database servers. However, we are not hosting the servers and the company
who is set it all up so I can't tell you much about it. From what I
understand though it does the job.
-Original Message-
From: Kevin
0 12:25 PM
To: '[EMAIL PROTECTED]'
Subject: RE: Anyone using ClusterCATS?
We are using ClusterCats for one of our projects which has 2 web servers and
2 database servers. However, we are not hosting the servers and the company
who is set it all up so I can't tell you much about it. From what I
If I use a load balancing router like the Cisco LoadDirector or CoyotePoint Equalizer
to distribute requests between two Cold Fusion web servers, why do I need ClusterCATS?
I use a database repository for Client variables. I dont client specific session or
application variables
Nope. :)
Jeremy Allen
[EMAIL PROTECTED]
[Insert cool title here]
-Original Message-
From: Peter Theobald [mailto:[EMAIL PROTECTED]]
Sent: Thursday, August 17, 2000 12:45 PM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Cisco LoadDirector - Do I need ClusterCATS?
If I use a load
Have you looked at LocalDirector?
~Justin MacCarthy
- Original Message -
From: "Conrad, Christopher" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, August 17, 2000 5:44 PM
Subject: RE: Anyone using ClusterCATS?
We would like to use it - however it disables NES
[EMAIL PROTECTED]
-Original Message-
From: JustinMacCarthy [mailto:[EMAIL PROTECTED]]
Sent: Thursday, August 17, 2000 1:03 PM
To: [EMAIL PROTECTED]
Subject: Re: Anyone using ClusterCATS?
Have you looked at LocalDirector?
~Justin MacCarthy
- Original Message -
From: "C
Well, yes and no. LocalDirector will do the load balancing piece just
fine by itself. ClusterCATS, from what I understand, can integrate with
LocalDirector to provide monitoring of the specific CF service, rather
than just a heartbeat on the overall server up/down status.
Kevin
[EMAIL
I am looking for tips in setting up and using CF 4.5.1/ClusterCats on
Windows 2000. I have a two server setup that I'm experimenting on to get a
feel for how it works. My specific question concerns configuring ClusterCats
offline maintenance support on such machines. The Windows 2000 network
I installed the upgrade 4 times (on two servers) looking for that check box.
(to in install clustercats) It is not there.
More info... We bought CF 4.5 pro from beyond.com and then bought the
upgrade to enterprise also from beyond.com. Might that make a difference?
I also tried to install
It should have been a check box during the install to add cluster and load
balancing.
-Original Message-
From: Mark W. Breneman [mailto:[EMAIL PROTECTED]]
Sent: Thursday, July 13, 2000 12:31 PM
To: [EMAIL PROTECTED]
Subject: ClusterCats and 4.5 enterprise upgrade... Where is it?
I
CF 4.5's clustercats instructions recommend creating both a static IP
address for the machine and a different "dynamic" IP address for the site on
that machine; that is, each machine in the cluster is supposed to have two
IP addresses and corresponding DNS names, one for the serv
Anyone have experiences to share regarding clustercats? I played with it a
bit this weekend and had nothing but problems.
First off the version with 4.5.1 showed the servers at 100% all the time
even though they were at maybe 5%, so backed off and
went to 4.0.1 and now it randomly shows servers
Anyone have experiences to share regarding clustercats? I played with it a
bit this weekend and had nothing but problems.
First off the version with 4.5.1 showed the servers at 100% all the time
even though they were at maybe 5%, so backed off and
went to 4.0.1 and now it randomly shows servers
.
Everything works fine. However if the server dies and clustercats kicks in,
the secondary server will take control. However the browser will be told to
request information from the secondary server but instead of using its IP it
uses its machine name instead which cannot be resolved. The problem lies
-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Thursday, May 25, 2000 3:29 PM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: RE: benefits of Enterprise without ClusterCats?
I'm moving to a clustered server using NT/IIS/SQL, but I plan on using
Local Director, and NOT ClusterCats
I'm moving to a clustered server using NT/IIS/SQL, but I plan on using
Local Director, and NOT ClusterCats. In this case, is there any benefit to
running Enterprise over Professional?
I'm assume that the following features of Enterprise are tied to using
ClusterCats, but I couldn't really
without ClusterCats?
I'm moving to a clustered server using NT/IIS/SQL, but I plan on using
Local Director, and NOT ClusterCats. In this case, is there any benefit to
running Enterprise over Professional?
I'm assume that the following features of Enterprise are tied to using
ClusterCats, but I
I'm moving to a clustered server using NT/IIS/SQL, but I plan on using
Local Director, and NOT ClusterCats. In this case, is there
any benefit to running Enterprise over Professional?
I'm assume that the following features of Enterprise are tied to using
ClusterCats, but I couldn't really
Hi all,
I have a colleague who is looking advice for implementing ClusterCats whilst
behind a proxy server. They have no problems getting the failover to work,
but what happens is that the failover resolves to an internal IP which is
(obviously) inaccessible to the public users.
Quote from
.
A related question: with hardware load balancing, do people still employ
ClusterCats? I know that Local Director and ClusterCats CAN be integrated
(http://www.allaire.com/handlers/index.cfm?ID=15361) -- but do people do
this in practice? How much of an advantage does the integrated solution
offer over
of integrating Local Director and ClusterCats is a more
granular level of process monitoring. That said, Local Director is a bit
long in the tooth, technology-wise. We are going with F5 and leaning
towards Foundry Networks products in the near term.
If you are going for a hosted solution, I suggest
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