ADSM-L

Re: Novell backup performance

2005-09-12 14:11:08
Subject: Re: Novell backup performance
From: Troy Frank <Troy.Frank AT UWMF.WISC DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 12 Sep 2005 13:10:06 -0500
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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