ADSM-L

Re: Novell backup performance

2005-09-12 14:51:01
Subject: Re: Novell backup performance
From: Timothy Hughes <Timothy.Hughes AT OIT.STATE.NJ DOT US>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 12 Sep 2005 14:50:49 -0400
Troy, Thanks again!

Troy Frank wrote:

> The only thing in the dsm.opt that jumps out at me is the 
> MEMORYEFFICIENTBACKUP.  That will definitely slow down backups, and should 
> only be used if the client being backed up really is memory-deficient.   The 
> other thing is, RESOURCEUTILIZATION tends to have dimishing returns.  I've 
> found that setting to anything more than 4or5 can have negative consequences 
> (especially if the client is memory-deficient).  This is especially true 
> since netware boxes tend to not have more than 2 or 3 filesystems on a server.
>
> Other reasons could be bad network transfer rate to that server, slow disk 
> subsystem, and/or slow cpu.  If possible, I'd make sure the OS is current on 
> all patches, all the device drivers have been updated to newest versions, and 
> double/triple check for network speed/duplex mismatches.
>
> I'd check through the dsmsched.log and look at the end-of-backup summaries.  
> There's usually some info in there that'll point to either network/disks/cpu.
>
>
> Troy Frank
> Network Services
> University of Wisconsin Medical Foundation
> 608.829.5384
>
> >>> Timothy.Hughes AT OIT.STATE.NJ DOT US 9/12/2005 12:43 PM >>>
> Hello,
>
> We have a Novell client who's backup is taking to long
> We added the Resourceutilization line (8) to the dsm.opt file
> but it's still taking long. Does anyone have any suggestions
> on what else I might take a look at or do that would help improve
> the backup time. The backup starts around midnight.
>
> Here is the DSM.OPT file
>
> * Setting Options for the TCP/IP Communication Method
>
> TCPCLIENTADDRESS xx.xx.xx.xx
> TCPSERVERADDRESS xx.xx.xx.xx (tsm server ip)
> TCPPORT 1500
> HTTPPORT 1581
>
> errorlogretention 14
> schedlogretention 7
> Setting Nodename
>
> NODENAME XXXXX
> ERRORLOGNAME SYS:Tivoli\TSM\CLIENT\BA\dsmerror.log
> SCHEDLOGNAME SYS:Tivoli\TSM\CLIENT\BA\dsmsched.log
> PASSWORDDIR SYS:Tivoli\TSM\CLIENT\BA\password
>
> * EXCLUDE directory:.O=TIVOLI.*
> * INCLUDE directory:.O=TIVOLI.OU=Development.*
>
> DOMAIN ALL-LOCAL -NDS -SYS: -VOL1:
> * DOMAIN ALL-LOCAL
>
> * NetWare general excludes
> * ---------------------------------------------------------
> * EXCLUDE sys:\system\secaudit.log
> * EXCLUDE sys:\system\events.log
> * EXCLUDE sys:\system\system.log
> * EXCLUDE sys:\system\btrieve.trn
> * EXCLUDE SYS:\system\tsa\err$hst.*
> * EXCLUDE sys:\system\tsa\err$log.*
> * EXCLUDE sys:\system\tsa\skip$log.*
> * EXCLUDE sys:\system\tsa\tsa$temp.*
> * EXCLUDE sys:\system\sys$log.err
> * EXCLUDE sys:\_swap_.mem
> * EXCLUDE sys:\vol$log.err
> * EXCLUDE sys:\tts$log.err
>
> exclude.dir poa:RESTORE
> exclude.dir nvol1:RESTORE
> exclude.dir mta:RESTORE
> exclude.dir gwia:RESTORE
>
> * NetWare Memory management option
>
> MEMORYEFFICIENTBACKUP YES
>
> * NWEXITNLMP NO
>
> managedservices schedule webclient
> * managedservices schedule
>
> schedmode prompted
>
> passwordaccess generate
>
> * NWUSER server_1_name\user\:password
> * NWUSER server_2_name\user:password
> * NWUSER nds_tree_name\user:password
>
> NWPWFILE YES
>
> * Resouce Utilization specifies the number of back end connections
> resourceutilization 8
>
> Quiet
> * VERBOSE
>
> Thanks for any help, suggestions or advice!
>
> Novell Client 5.2.2
> TSM Server 5.3.1.4
> AIX RS/6000
>
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