RE: LSNRCTL Password

2001-05-16 Thread Lanteigne, Mike

I tried host=localhost on some test boxes and clients could not connect.
Next I'll try host = 127.0.0.1 (7.4 on Sun 2.6)

Mike


 -Original Message-
 From: Hillman, Alex [SMTP:[EMAIL PROTECTED]]
 Sent: Thursday, May 10, 2001 8:02 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  RE: LSNRCTL Password
 
 Downside only if you want to have listener on different box - maybe for
 load
 balancing.
 
 Alex Hillman
 
 -Original Message-
 Sent: Thursday, May 10, 2001 7:01 PM
 To: [EMAIL PROTECTED]; Hillman, Alex
 
 
 
 Neat trick., hadn't thought of that.
 
 Any downsides to using localhost?
 
 Jared
 
 
 On Thursday 10 May 2001 14:52, Hillman, Alex wrote:
  This is why I now use localhost instead of hostname.
 
  Alex Hillman
 
  -Original Message-
  Sent: Thursday, May 10, 2001 4:26 PM
  To: Multiple recipients of list ORACLE-L
 
 
  Alex,
 
  Could you explain please how somebody with DBA provileges on
  another node
  can shutdown listener on another node without logging as user
  of the node
  where listener is running.
 
  I fully agree with Jared. We encountered this when I duplicated the Prod
  server (including the SQL*net config file) onto a Test box and bounced
 the
  test box. The listener.ora file contains the name of the Prod server and
  the automatic stop/start script executed a 'lsnrctl stop' as part of
  shutdown - this sent a STOP signal to the identified host (the Prod
  server). This stopped the listener on another system!!
 
  It is quite easy to test this out - you can create a dummy listener.ora
 on
  the Prod box, point that to the Dev box and stop the listener from
 Prod...
 
  Hth,
  John Kanagaraj
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RE: OFA and SAN - Why not group all db files on its own mount poi

2001-05-01 Thread Lanteigne, Mike

Hi Lisa, 

Thanks for the response. The SAN is very new here. Our first test server is
supposed to be hooked up to it this week. After that we start to play. I
will look into the tuning software for EMC, however from the meetings I've
been to, it looks like we'll (the DBA group) have little say in the SAN
setup, including ..mapping all the way back into the physical
controller... Too bad, that sounded like fun.  

The only drawback I see about equating a mount point to a database instance
is that new mount points will have to be created for each new database. No
big deal in the static production environment, however could be a pain in
dev and test (assuming I follow the same strategy in these environments). In
fact, I have no idea how I'd even make a mount point, or allocate storage to
it? (SAN PFM I guess).  

Thanks again

Mike




 Hi Mike, 
 
 If you are running EMC hardware, there are several utilities you can use
 to determine if EMC's cache is performing up to par.  There are also
 utilities to alleviate any i/o contention that may appear if the EMC cache
 does not take care of i/o problems.  I can't tell you exactly what they
 are though, the sysadmins used them, not me.  I've worked in two places
 where we ran EMC hardware (symmetrix) and was told it should not make a
 difference if you follow the standard or not from an i/o point of view.
 However, I just couldn't get over the thought that i/o will never be a
 problem.  
 
 Add to it I've heard contradicting stories from EMC support staff, in MN
 and here in FL.  I think there is still merit to mapping all the way back
 into the physical controllers in the symmetrix, but it's a royal pain in
 the behind.  When the EMC guy talked through it, it was difficult for me
 to follow.  I still have the documentation but I couldn't tell you exactly
 what it meant.  (I am not an SA !!)  It's a lot of work for what little
 performance boost you may see.
 
 If you are interested in seeing this tuning software (I'm not talking
 about Precise/SQL DBTuner, it's lower level than that) I'd suggest
 contacting your EMC support staff.  
 
 Sorry I couldn't be more specific, but I can tell you I've set up
 databases both ways (OFA and not) and haven't experienced huge i/o
 problems.
 
   
 Lisa Rutland Koivu 
 Oracle Database Administrator 
 Certified Self-Important Database Deity 
 Slayer of Unix Administrators 
 Wanton Kickboxing Goddess 
 
 
 
 Hello List, 
 
 I'm planning an upgrade of four databases on one server from 7.3.4 to
 8.1.7 
 on Solaris. We are in the initial stages of implementing a Storage Area 
 Network (SAN) project, initially 10TB on EMC hardware. The database server
 
 will use the SAN for its storage so I will have no decision on where 
 datafile are actually stored (those involved in a SAN implementation know 
 what I mean). 
 
 
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Advice on database development life cycle practices

2001-05-01 Thread Lanteigne, Mike

Hello all,

Again turning to the wisdom of the list.

I'm looking for information on database developments and application
development practices. You know the DBA vrs developer thing this list loves
so much.  

Any good resources you know about that I can look into? Any good
methodologies you follow?  What do you use the dev database for? That kind
of thing. I'm especially interested in any work practices you follow. Do you
have these work practices documented? Do the developers consider you (DBAs)
an asset to the development cycle?  

Any info appreciated.

Thanks

Mike















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RE: Real-life Stand-by DB implementation stories?

2001-04-30 Thread Lanteigne, Mike


 I have got a question about Data Guard: Do you have to have Enterprise
 Edition for it to work? We did not use Managed Standby Database
 functionallity, because it needed Enterprise Edition licence - and it
 meens
 a huge extra cost. 
 
 
Docs just say 8.1.5 or higher and UNIX. I checked with Oracle support to see
if we are licensed to use, it and we are, however we have enterprise
licenses. You'll probably have to check with your support person.

Mike
  

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RE: Real-life Stand-by DB implementation stories?

2001-04-27 Thread Lanteigne, Mike

That auto fail over feature is called Data Guard, and its out now (at least
the docs are). It will work with 8.1.5 or higher on UNIX OS in a non
parallel server environment. Basically as far as I can tell, it runs agents
on both primary and standby servers, and will auto fail over to the standby
if needed. Another cool function is that it will switch your primary and
standby database if you want, then switch them back. Server maintenance
options arise with switching feature. I hope to test this during the coming
months, so I may have some real insight later. 


Anyone use this yet? 

Mike
  

 -Original Message-
 From: Szecsy Tamas [SMTP:[EMAIL PROTECTED]]
 Sent: Friday, April 27, 2001 9:45 AM
 To:   Multiple recipients of list ORACLE-L
 Subject:  RE: Real-life Stand-by DB implementation stories?
 
 Yes we did. 
 
 It's on windows NT. We have implemented manually managed standby database,
 with a db job on the primary database archiving online redo log files
 every
 five minutes to minimize data loss in case of a crash of the primary
 database. The standby database server ftps *iwth a windows nt scheduled
 job,
 running every 15 minutes) new archive log files to it's local drive and
 applies them to the standby database if it's not in read-only mode for
 reporting.
 
 It's working since a more than a year, never had any problems with it. If
 Windows NT server is kept away from frequent install/deinstall of various
 applications then within my experience it is a stable solution. By the
 way,
 if Oracle Technet can be believed, Oracle 9i will have an automatic fail
 over feature for the standby database.
 
 My view is that you should use Oracle 8.1.7. Oracle 8.1.6 has some
 problems
 with read-only mode combined with managed standby database - or so I
 heard.
 
 Regards,
 
 Tamas Szecsy
 
 ===
 
 
 Anyone implemented SBDBs recenetly? A client is comparing them to a
 cluster
 solution involving Fail-Safe. We are recommending SBDB and trying to go to
 817 also (on 80521 now).
 
 Also this is NT if that makes a difference.
 
 Thanks,
 
 
 Earl
 
 
 Get 250 color business cards for FREE!
 http://businesscards.lycos.com/vp/fastpath/
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OFA and SAN - Why not group all db files on its own mount point?

2001-04-27 Thread Lanteigne, Mike

Hello List,

I'm planning an upgrade of four databases on one server from 7.3.4 to 8.1.7
on Solaris. We are in the initial stages of implementing a Storage Area
Network (SAN) project, initially 10TB on EMC hardware. The database server
will use the SAN for its storage so I will have no decision on where
datafile are actually stored (those involved in a SAN implementation know
what I mean). 

So... I'm looking at the OFA docs - where datafiles from different databases
are on different mount points mostly for I/O purposes e.g.:
Non SAN OFA:

md03/
 oradata/
 db_1/
 system01
 data01
 control01
 redoG1M1
 redoG2M1

   db_2/
 system01
 data01
 control01
 redoG1M1
 redoG2M1
md04/
 oradata/
 db_1/
 index01
 temp01
 control02
 redoG1M2
 redoG2M2
   db_2/
 index01
 temp01
 control02
 redoG1M2
 redoG2M2


In a SAN implementation, it seems to me that since I/O is no longer a
parameter I can control, why not group each database on its own mount point
e.g.:
md03/
 oradata/
 db_1/
 system01
 data01
 index01
 temp01
 control01
 control02
 redoG1M1
 redoG1M2
 redoG2M1
 redoG2M2

md04/
 oradata/
 db_2/
 system01
 data01
 index01
 temp01
 control01
 control02
 redoG1M1
 redoG1M2
 redoG2M1
 redoG2M2

I know it looks scary. Lets say I separate the control files on separate
mount points. In reality the SAN puts the files all over the place, making
copies on multiple volumes, so I think I'm fooling myself by thinking I'm
buying anything by using separate mount points.

Any thoughts? Anyone set up a dir structure using a SAN. Admin seems simpler
the second way.

Thanks

Mike Lanteigne

  


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RE: Anyone using Peoplesoft Financials 7.x on Oracle 8.0.x?

2001-04-25 Thread Lanteigne, Mike

Hi Nuno,

I'm new to the wonderful world of PeopleSoft, so I probably can't provide
much insight. 

Why keep the discussion off list? Keeping it on the list helps us other
newbies and allows the more experienced PS DBAs (Dick et al) a chance to
comment on any replies you get.

Just my 2 cents

Mike 


 -Original Message-
 From: Nuno Souto [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, April 24, 2001 8:56 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  Anyone using Peoplesoft Financials 7.x on Oracle 8.0.x?
 
 If so, please ping me via e-mail. Use address below.
 I need to ask a coupla questions re maintenance/versions.
 OT to this list, so I won't bother the others here
 with them.
 Cheers
 Nuno Souto
 [EMAIL PROTECTED]
 http://www.users.bigpond.net.au/the_Den
 
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RE: cdump, bdump, udump

2001-04-24 Thread Lanteigne, Mike

I must be 'old' because I miss my paper docs. I still print out some of the
pdf docs, must be a confort thing!

Mike

The views expressed here are mine and do not reflect the official position
of my employer or the organization through which the internet was accessed.



 -Original Message-
 From: Joseph S. Testa [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, April 24, 2001 8:50 AM
 To:   Multiple recipients of list ORACLE-L
 Subject:  Re: cdump, bdump, udump
 
 read the tuning guide and the administrators guide.
 
 nowadays this is a valid answer now that oracle docs are online, NO ONE
 HAS AN EXCUSE to not read the docs unlike back in the days when you had
 to pay thousands of dollars for paper docs.
 
 joe
  Venkat_Kalepalli wrote:
  
  Hello folks!
  
  I am working in SUN solaris 5.6 with Oracle 8i.  I want to implement
  MTS on the Oracle server.  Next we are running with Rule based
  optimizer and we want to change to costbased optimizer.
  
  I want to know what are the advantages we get on this and what are the
  steps to implement this?
  
  Any help is grateful...
  
  Rgd
  Venkat
  DBA.
 
 -- 
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RE: Cold Fusion and Oracle

2001-04-23 Thread Lanteigne, Mike

Cylir

Check the CF docs on the Allaire web site. It's been a while for me, however
set up a data source on the CF server using ODBC and Net80, then use that
data source name in the CF SQL. Something like datasource name = XXX. 

Like I say, It's been awhile. Oh, I think the enterprise version of CF will
run stored procedures too, although I never had the enterprise version.

Mike Lanteigne

The views expressed here are mine and do not reflect the official position
of my employer or the organization through which the internet was accessed.


 -Original Message-
 From: Cyril  Thankappan [SMTP:[EMAIL PROTECTED]]
 Sent: Sunday, April 22, 2001 5:34 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  Cold Fusion and Oracle
 
 
 Hi!..
 
  DOes any one here have any information of
  where I could possibly find some information
  on Cold fusion and Oracle
 
  Thanks
 
 _
 Chat with your friends as soon as they come online. Get Rediff Bol at
 http://bol.rediff.com
 
 
 
 
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RE: Where can I find real-life-examples about ORACLE installation

2001-04-20 Thread Lanteigne, Mike
 FAQ: http://www.orafaq.com
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RE: ERWIN HELP

2001-04-19 Thread Lanteigne, Mike

ERWIN comes with a Getting Started book, holds a lot of info for a little
book. However the online help should contain all the info you need. Just
keep clicking and you'll figure it out.

Mike


The views expressed here are mine and do not reflect the official position
of my employer or the organization through which the internet was accessed.


 -Original Message-
 From: ora dba [SMTP:[EMAIL PROTECTED]]
 Sent: Thursday, April 19, 2001 2:16 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  ERWIN HELP
 
 Hi:
 I am trying to document and reverse engineer an Oracle
 8i database.  Could you please let me know where I can
 find documentation on HOW TO use the ERWIN tool to do
 the same.  Any books available in market that you can
 recommend would also help.
 Thank you
 
 __
 Do You Yahoo!?
 Yahoo! Auctions - buy the things you want at great prices
 http://auctions.yahoo.com/
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RE: More Metalink Venting - Cannot catch error 22

2001-04-19 Thread Lanteigne, Mike

Ruth,

Out of curiosity, how did you get back the data!

Mike

 -Original Message-
 From: Ruth Gramolini [SMTP:[EMAIL PROTECTED]]
 Sent: Thursday, April 19, 2001 12:41 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  Re: More Metalink Venting - Cannot catch error 22
 
 The other nite I truncated every table in one of my production databases.
 I
 called Support and when the analyst asked my if she could ask me to open
 the
 TAR on Metalink I said 'NO, I can't .  This is an emergency and it's
 production.'  She answered my question about the recovery, that tables
 were
 back in less than an hour, and I apologized, on Metalink for my behavior.
 
 Sometimes you just have to take a stand!
 
 Ruth
 - Original Message -
 To: "Multiple recipients of list ORACLE-L" [EMAIL PROTECTED]
 Sent: Thursday, April 19, 2001 12:11 PM
 
 
  Well, I just went to open a TAR and discovered yet another Metalink
  catastrophe.  Not content with slow service and error messages they've
 come
  up with a new one:
 
  When I go to create a TAR it asks me to, among other things, 'SELECT A
  PLATFORM'.  This is a required field.  There is nothing in the drop down
  list.  It is not possible to type anything in.  If I try to hit Continue
 it
  tells me Platform is a required field.
 
  Will someone please shoot me?
 
  --
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OT - Performance impacts with column and table aliases in SQL Ser

2001-04-17 Thread Lanteigne, Mike

Hello all,

I know, I know - An Oracle list.  However some of us work with many
databases (our shop has Oracle, SQL Server, Adabas, and Sybase), so maybe
someone on this list can help. The subject line should give enough info to
delete the message if you hate the 'other' databases. 

I was asked recently if alasing all columns and tables in SQL statements in
stored procedures has any performance impacts. I've never noticed any
problems using aliases, nor have I seen any reference to performance hits
due to using aliases. The app is an MS component design thing in which all
the database calls are made from the data tier (VB) to stored procedures in
SQL Sever. 

Any thought on this?

Mike Lanteigne

The views expressed here are mine and do not reflect the official position
of my employer or the organization through which the internet was accessed.


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RE: URGENT: Hot Standby Graceful failover and failback

2001-04-17 Thread Lanteigne, Mike

I think you may be trying to do a little too much with the current standby
architecture. Oracle now has  product called Data Guard that will let you do
what you want. I've only read the docs on Data Guard, but supposedly you can
switch primary and standby database, and switch back without re-creating
anything.

Good luck

Mike

The views expressed here are mine and do not reflect the official position
of my employer or the organization through which the internet was accessed.


 -Original Message-
 From: Leng Kaing [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, April 17, 2001 12:10 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  URGENT: Hot Standby Graceful failover and failback
 
 Good morning everyone,
 
 HELP! HELP!!!
 
 It's very early in the morning and I'm still struggling with the 
 Oracle Hot Standby - 8.0.5 and 8I. ARGH! 
 
 Ok, I got the failover going. I can activate the standby database and
 use it as a normal database. But when I try to turn it into a standby
 database again and then reactivate it again, it errors out on me.
 Oracle Support just tells me that I'm not supposed to use it this way.
 HUH? I'm not trying to put it back in standby mode so I can recover
 from the original primary database! I want to put it back in standby
 mode to similulate a total primary site loss. And always have a standby
 database to activate.
 
 Ok, I may be rambling on a bit here. Very tired.
 
 So here's what I've done so far:
 
 
 1. create a hot standby from a primary database
 2. activate the hot standby
 3. shutdown the new primary and made a backup of the new primary
 database
 4. restart the new primary, created a table and create a standby
 controlfile
 5. shutdown the new primary
 6. restore from backup created in step 3, and replaced the current
 control files with the standby controlfiles created from stop 4
 7. mounted the database in standby mode again
 8. tried to activate the new standby database but it failed with
 ORA-1152 and ORA-1110 complaining that the system.dbf is not restored
 from a sufficiently old backup.
 
 Argh! How do we have a continuous failover and failback scenario? Any
 help would be greatly appreciated.
 
 I've just discovered Lawrence To's article on Graceful Switch Over and
 Switch back as well. The following from page 11 scares me:
 
 "Graceful switchover and switchback are not possible when the
 production database's online redo logs are not accessible.
 
 A graceful switchover and switch back is NOT possible whenever a
 production database or standby database executes one of the following:
 
 - alter database open resetlogs or
 - alter database activate standby database (which does an implicit
 resetlogs operation)"
 
 
 HUH??? There are certainly times when we have to do a resetlogs. One of
 the problems our Unix boxes have at the moment is a redo log corruption
 so there are not choices but to resetlogs. So what does this all mean?
 That if we resetlogs we can't ever have continuous failover and
 failback? 
 
 ARGH!! What am I dealing with here!
 
 I need a holiday from this crazy scenario!
 
 Ok, please let me know if you've had any success with what I'm
 describing here. Am I aiming for the impossible? Surely not! 
 
 
 Thanks,
 
 Leng.
 
 
 
 =
 Leng Kaing - [EMAIL PROTECTED]
 AUSOUG-VIC : http://www.ausoug.org/vic/
 
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RE: 32bit v. 64bit Oracle

2001-04-17 Thread Lanteigne, Mike

Stephen, 

Last time I checked Metalink (couple of weeks ago), 8.1.7 64-bit status was
"projected" with Sun Sparc Solaris. I filled out a TAR asking when it will
be certified, and they told me to check Metalink (even offered me walk me
though the web pages)!

Mike

The views expressed here are mine and do not reflect the official position
of my employer or the organization through which the internet was accessed.



 -Original Message-
 From: paquette stephane [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, April 17, 2001 11:15 AM
 To:   Multiple recipients of list ORACLE-L
 Subject:  Re:32bit v. 64bit Oracle
 
 Since we're talking 32 VS 64 bit, anybody know when
 Oracle 817 64 bits we'll be available on Solaris ?
 
 Oracle.store only shows Oracle 816 64 bit for Solaris.
 
 If you do not need to adress a huge SGA, what are the
 benefits are running Oracle 64bit instead of Oracle 32
 bit ?
 
 
 --- [EMAIL PROTECTED] a crit :  Connie,
  
  1st, can you have a 32 and 64 bit database on
  the same machine: Yes we've
  got two machines working that way with no problems.
  
  2nd, Can you migrate from 32 to 64 bit: Yes via
  exp/imp.  I've tried just
  mounting the database files with the 64 bit
  executables  the errors are not
  pretty.  It would appear that Oracle does not like
  the control file  the
  database file headers.
  
  Dick Goulet
  
  Reply
  Separator
  Author: Connie Milliken [EMAIL PROTECTED]
  Date:   4/12/2001 7:00 PM
  
  Can you upgrade an Oracle 8.0.5 32bit database on
  HPUX11 to Oracle 8.1.6
  64bit?
  
  Is is possible to have 8.0.5 32 bit and 8.1.6 64 bit
  on the same box if
  the box is 64 bit?
  
  If you wanted to restore a copy of production to dev
  and production was
  64 bit and dev was 32bit, would you still be able to
  do the restore
  (using Veritas Netbackup)?
  
  What are the advantages of being 64 bit versus 32
  bit?
  
  -- 
  Please see the official ORACLE-L FAQ:
  http://www.orafaq.com
  -- 
  Author: Connie Milliken
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Can one listener affect another?

2001-04-06 Thread Lanteigne, Mike

Hi all,

Something strange happened here this morning.

I created a standby database on our standby box this morning (Sun server OS
2.51 Oracle 7.3.4.5), all went well. 
I check the status of the listener on the standby box, it was up (I don't
know why I even cared).
The production listener went down shortly afterwards (I may have stopped the
standby listener, however I don't think I did).
The standby listener.ora file has HOST = "production box", not the "standby
box" (replicated nightly from production to standby). 
I checked both listener.log files and a "stop" is in both log files at the
same time (production and standby). 

So, can stopping (or just getting status) from one listener affect another
listener on another box if both listener.ora file entries "HOST = XXX" are
the same ?

Mike
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RE: Unix memory used

2001-04-05 Thread Lanteigne, Mike

Thanks Jared and Jacques and Dave and Michael,

I seem to remember a discussion on top a couple of years ago, that's why I
was suspect about the numbers it was showing. I've been to the sun big admin
page, lots there to read. I'll track down some of the other suggested sites,
as well as look for that book.

Thanks again

Mike Lanteigne  

 -Original Message-
 From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
 Sent: Wednesday, April 04, 2001 9:16 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  Re: Unix memory used
 
 
 Mike,
 
 The amount of memory available as shown by 'top' is
 of little use, as Solaris gobbles up nearly all of it
 leaving little free, regardless of how much you have.
 
 Use vmstat to determine the paging rate.  I can't think
 of a good number at the moment, and my Solaris books are
 currently packed away.
 
 You also want to check the page scan rate ( I think that's
 the right term ).  It is tunable, and will take up a lot
 of CPU if set incorrectly.
 
 If there is *any* swapping taking place, it is too much
 and you need more memory, barring problems such as
 memory leaks.
 
 The Solaris book by Adrian Cockroft is a must have if
 you are doing any tuning work on Solaris. It will explain
 clearly everything I have alluded to here.
 
 Jim Munro's book is a must have if you want info on
 Solaris internals.
 
 Jared
 
 On Wed, 4 Apr 2001, Lanteigne, Mike wrote:
 
  Hello list,
 
  We have a Sun e3500 with 4x300 MH processors, 1 GB Ram and OS 2.6.
  The server runs 4 small instances ( 7.3.4.5), two PeopleSoft apps and
 one
  more help desk app. As the below shows, or SGA's are very small (same
 for
  all 4 databases):
 
  SVRMGR show sga
  Total System Global Area 6278336 bytes
  Fixed Size 39816 bytes
  Variable Size 4567352 bytes
  Database Buffers 1638400 bytes
  Redo Buffers 32768 bytes
 
  I'm looking for some ammunition to make a case to increase the RAM.
  Yes, some database response is slow, however before I start tuning,
  especially memory sizes, I really think any efforts will be wasted if
 the
  memory is constantly thrashing to disk. I've been given access to top,
 and
  it reports the following:
 
  Memory: 1024M real, 15M free, 198M swap in use, 571M swap free (at
  8:30 am on weekday)
 
  I guess I'm asking if I can say with validity that our memory is
  presently being used up, and the "198 MB swap in use" is a real number.
  Also, our SAs don't monitor memory use, so if anyone has any good tool,
  tricks, book references, etc...that I can use to see this kind of thing,
 I'd
  appreciated it.
 
  Thanks,
 
  Mike Lanteigne
 
  The views expressed here are mine and do not reflect the official
 position
  my employer or the organization through which the internet was accessed.
 
  --
  Please see the official ORACLE-L FAQ: http://www.orafaq.com
  --
  Author: Lanteigne, Mike
INET: [EMAIL PROTECTED]
 
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  also send the HELP command for other information (like subscribing).
 
 
 
 Jared Still
 [EMAIL PROTECTED]
 
 
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Unix memory used

2001-04-04 Thread Lanteigne, Mike

Hello list,

We have a Sun e3500 with 4x300 MH processors, 1 GB Ram and OS 2.6.
The server runs 4 small instances ( 7.3.4.5), two PeopleSoft apps and one
more help desk app. As the below shows, or SGA's are very small (same for
all 4 databases):

SVRMGR show sga
Total System Global Area 6278336 bytes
Fixed Size 39816 bytes
Variable Size 4567352 bytes
Database Buffers 1638400 bytes
Redo Buffers 32768 bytes

I'm looking for some ammunition to make a case to increase the RAM.
Yes, some database response is slow, however before I start tuning,
especially memory sizes, I really think any efforts will be wasted if the
memory is constantly thrashing to disk. I've been given access to top, and
it reports the following:

Memory: 1024M real, 15M free, 198M swap in use, 571M swap free (at
8:30 am on weekday)

I guess I'm asking if I can say with validity that our memory is
presently being used up, and the "198 MB swap in use" is a real number.
Also, our SAs don't monitor memory use, so if anyone has any good tool,
tricks, book references, etc...that I can use to see this kind of thing, I'd
appreciated it.

Thanks,

Mike Lanteigne 

The views expressed here are mine and do not reflect the official position
my employer or the organization through which the internet was accessed.

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
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RE: Unix memory used

2001-04-04 Thread Lanteigne, Mike

Michael,

Yes, that's what I want to do. In fact, I've pin pointed some areas, such as
redolog buffers that can user larger memory segments. However I do not want
to do this at the expense of the servers total memory use. That's why I'm
wondering about the overall memory use (all databases and apps). Just out of
curiosity, what makes you say I'm not using all the memory I have?

Thanks

Mike

The views expressed here are mine and do not reflect the official position
of my employer or the organization through which the internet was accessed.


 -Original Message-
 From: Armstead, Michael A [SMTP:[EMAIL PROTECTED]]
 Sent: Wednesday, April 04, 2001 11:35 AM
 To:   Multiple recipients of list ORACLE-L
 Subject:  RE: Unix memory used
 
 Just from looking at what you've described, you don't use the memory you
 have on the machine. But I'm on the outside looking in. If your databases
 are memory bound, my recommendation is to look into tuning your database
 memory first, and expanding each SGA.
 
 I'm also assuming that this is only a database server.
 
 Michael Armstead  
 Database Administrator, OCP-Certified
 Corporate  Finance Information Systems
 Glaxo SmithKline
 
 
  -Original Message-
  From:   Lanteigne, Mike [SMTP:[EMAIL PROTECTED]]
  Sent:   Wednesday, April 04, 2001 9:51 AM
  To: Multiple recipients of list ORACLE-L
  Subject:Unix memory used
  
  Hello list,
  
  We have a Sun e3500 with 4x300 MH processors, 1 GB Ram and OS 2.6.
  The server runs 4 small instances ( 7.3.4.5), two PeopleSoft apps and
 one
  more help desk app. As the below shows, or SGA's are very small (same
 for
  all 4 databases):
  
  SVRMGR show sga
  Total System Global Area 6278336 bytes
  Fixed Size 39816 bytes
  Variable Size 4567352 bytes
  Database Buffers 1638400 bytes
  Redo Buffers 32768 bytes
  
  I'm looking for some ammunition to make a case to increase the RAM.
  Yes, some database response is slow, however before I start tuning,
  especially memory sizes, I really think any efforts will be wasted if
 the
  memory is constantly thrashing to disk. I've been given access to top,
 and
  it reports the following:
  
  Memory: 1024M real, 15M free, 198M swap in use, 571M swap free (at
  8:30 am on weekday)
  
  I guess I'm asking if I can say with validity that our memory is
  presently being used up, and the "198 MB swap in use" is a real number.
  Also, our SAs don't monitor memory use, so if anyone has any good tool,
  tricks, book references, etc...that I can use to see this kind of thing,
  I'd
  appreciated it.
  
  Thanks,
  
  Mike Lanteigne 
  
  The views expressed here are mine and do not reflect the official
 position
  my employer or the organization through which the internet was accessed.
  
  -- 
  Please see the official ORACLE-L FAQ: http://www.orafaq.com
  -- 
  Author: Lanteigne, Mike
INET: [EMAIL PROTECTED]
  
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  also send the HELP command for other information (like subscribing).
 
 -- 
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RE: What is best practice - differenet schema/different dbs

2001-03-28 Thread Lanteigne, Mike

Hi Doug , (and all) ,

Just curious - the PS environment, do you put finance and HR on the same DB?
Do you share the sysadm user? I'm new to this PS stuff, so this interests
me. Also, in production, do you have the PS databases separated from the
other OLTP databases? 

Thanks

Mike Lanteigne

 



 -Original Message-
 From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
 Sent: Tuesday, March 27, 2001 12:56 PM
 To:   Multiple recipients of list ORACLE-L
 Subject:  Re:What is best practice - differenet schema/different dbs
 
 Rao,
 
 I'm going to differ from a previous return post.  I think that you
 should
 use different schema's with separate tablespaces.  Why?  Because your all
 on one
 machine therefore all of your background Oracle processes are competing
 for the
 same CPU, memory, and IO resources which can and does slow matters down
 significantly.  The best bet in my experience is one large DB instance
 with a
 very large SGA, particularly in the DB_BLOCK_BUFFERS area.  We've tried
 both
 approaches with our PeopleSoft development environments and this works
 much
 better than multiple instances.  Way too much background CPU  Memory burn
 not
 to mention all of the wasted disk space for multiple system, temp, rbs,
 and
 other tablespaces.  It really dings the IO too.  BTW: with each schema in
 it's
 own tablespace(s) you can still take one offline without crashing the
 others,
 unless you need to take system or rbs offline.
 
 Dick Goulet
 
 
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RE: What is best practice - differenet schema/different dbs

2001-03-28 Thread Lanteigne, Mike

Actually I meant Dick, nor Doug, sorry

Mike


 -Original Message-
 From: Lanteigne, Mike [SMTP:[EMAIL PROTECTED]]
 Sent: Wednesday, March 28, 2001 8:35 AM
 To:   Multiple recipients of list ORACLE-L
 Subject:  RE: What is best practice - differenet schema/different dbs
 
 Hi Doug , (and all) ,
 
 Just curious - the PS environment, do you put finance and HR on the same
 DB?
 Do you share the sysadm user? I'm new to this PS stuff, so this interests
 me. Also, in production, do you have the PS databases separated from the
 other OLTP databases? 
 
 Thanks
 
 Mike Lanteigne
 
  
 
 
 
  -Original Message-
  From:   [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
  Sent:   Tuesday, March 27, 2001 12:56 PM
  To: Multiple recipients of list ORACLE-L
  Subject:Re:What is best practice - differenet schema/different dbs
  
  Rao,
  
  I'm going to differ from a previous return post.  I think that you
  should
  use different schema's with separate tablespaces.  Why?  Because your
 all
  on one
  machine therefore all of your background Oracle processes are competing
  for the
  same CPU, memory, and IO resources which can and does slow matters down
  significantly.  The best bet in my experience is one large DB instance
  with a
  very large SGA, particularly in the DB_BLOCK_BUFFERS area.  We've tried
  both
  approaches with our PeopleSoft development environments and this works
  much
  better than multiple instances.  Way too much background CPU  Memory
 burn
  not
  to mention all of the wasted disk space for multiple system, temp, rbs,
  and
  other tablespaces.  It really dings the IO too.  BTW: with each schema
 in
  it's
  own tablespace(s) you can still take one offline without crashing the
  others,
  unless you need to take system or rbs offline.
  
  Dick Goulet
  
  
 -- 
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 Author: Lanteigne, Mike
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-- 
Author: Lanteigne, Mike
  INET: [EMAIL PROTECTED]

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