TDP for MS EXCHANGE. Performance ISSUE

[jssanche]

Hello Everyone!

I have a cluster environment "TWO WINDOWS SERVER 2008 R2 VIRTUAL NODES" running MS EXCHANGE 2010. Under this environment, I have installed Tivoli Data Protection for MS EXCHANGE.

At this moment, 500GB backup procedure takes around 8 hours to be completed. It seems to me that the TDP could backup this 500GB in less time. I meant, if I change some parameters at the TDP side (dms.opt & tdpexch.cfg files), this backup procedure could be completed in less time.


Could you please help me on this?


TSM baclient DSM.OPT file
------------------------------------------------------------------------------
NODENAME SEREXCPRD01
TCPSERVERADDRESS SERTSMPRD02
PASSWORDACCESS GENERATE
TCPCLIENTADDRESS SEREXCPRD01
SCHEDMODE PROMPTED
TCPBUFFSIZE 512
TCPWINDOWSIZE 2048
COMPRESSION YES
TXNBYTELIMIT 1G


TDP MS EXCHANGE DSM.OPT file
-------------------------------------------------------------------------------

NODename SERVEXCH2010
CLUSTERnode no
COMPRESSIon Off
PASSWORDAccess Generate

*=============================*
* TCP/IP *
*=============================*
COMMMethod TCPip
TCPPort 1500
TCPServeraddress 150.11.16.31
TCPWindowSize 2048
TCPBuffSize 512
TCPNoDelay yes

*=============================*
* LAN Free *
*=============================*
*ENABLELANFREE YES


*=============================*
* - Scheduling Options *
*=============================*
*SCHEDMODE Polling
*SCHEDLOGRetention 14
SCHEDMODE Prompted
TCPCLIENTADDRESS 192.18.14.22
TCPCLIENTPORT 1502


TDP MS EXCH Client TDPEXCH.CFG file
---------------------------------------------------------------------------------
BUFFers 8
BUFFERSIze 8192
LASTPRUNEDate 08/09/2012 09:05:05
MOUNTWait Yes
BACKUPMETHod VSS
TEMPLOGRestorepath D:\Temporary Logs\Log_Restore
TEMPDBRestorepath D:\Temporary Logs\Database_Restore
LOGFile tdpexc.log
LOGPrune 60
LANGuage ENU
BACKUPDESTination BOTH
LOCALDSMAgentnode SEREXCPRD01
REMOTEDSMAgentnode
VSSPOLICY serexcprd01 * * TSM MGTCLS_TDP_1_YEAR


Note: MS EXCH requires the use of VSS (Windows Server 2008 Volume Shadow Copy Service) for backing up
the data

Thanks in advance.
jssanche

 

[moon-buddy]

Well, your backup time is faster than what I used to have!

In my old environment, after all the tweaks, I can get only 500GB in 10 hours off a separate 1GB copper backup LAN.

You can tweak buffer count and buffersize in the TDP DSM.opt file and see if changes or improves your backup speed.

 

[Trident]

Hi,

You have hit the same issues as me. The cfg file will not help you much in terms of tuning. VSS backup does not use them.

What you can try is to run several backups in parallel.

If you do not need mailboxinfo, the insert this line in your cfg file
storemailboxinfo yes

Other stuff to use is clientside dedup and compression.

I get this for full backup with dedup and compression (a small exchange server)

08/13/2012 23:03:10 ============================================================
08/13/2012 23:03:10 Request : VSS BACKUP
08/13/2012 23:03:10 Component List : 'mdb-01', 'mdb-02'
08/13/2012 23:03:10 Backup Type : full
08/13/2012 23:03:10 Backup Destination : TSM
08/13/2012 23:03:10 Local DSMAGENT Node : xxxxxxxxx.COM
08/13/2012 23:03:10 Offload to Remote DSMAGENT Node :
08/13/2012 23:03:10 Mount Wait : Yes
08/13/2012 23:03:10 ------------------------------------------------------------
08/13/2012 23:03:12 Server : yyyyyyyyyyyyy
08/13/2012 23:03:12 ------------------------------------------------------------
08/13/2012 23:11:41 VSS Backup operation completed with rc = 0
08/13/2012 23:11:41 Files Examined : 83
08/13/2012 23:11:41 Files Completed : 83
08/13/2012 23:11:41 Files Failed : 0
08/13/2012 23:11:41 Files Deduplicated : 79
08/13/2012 23:11:41 Total Bytes Inspected : 5057463450
08/13/2012 23:11:41 Total Bytes : 125632388
08/13/2012 23:11:41 Total LanFree Bytes : 0
08/13/2012 23:11:41 Total Bytes Before Deduplication : 5057462952
08/13/2012 23:11:41 Total Bytes After Deduplication : 530845546
08/13/2012 23:11:41 Files Compressed By : 77%
08/13/2012 23:11:41 Deduplication Reduction : 89,51%
08/13/2012 23:11:41 Total Data Reduction Ratio : 97,52%


Hopeing to use this technology on a few large systems shortly.

 

[jssanche]

Thanks a lot for your replies.
I will try with "DEDUPLICATION", "COMPRESSION" and "RESOURCEUTILIZATION" options in the client side.

 

[ecollardbovy]

Hi,
Do you have an performance issue ?
I have the same problem : TDP is very slow (20 Mo/s)

Thks