Hello,
I have the exact same problem !!!!!!!
Setting the TCP window/buffer to 62K/512K gives me an acceptable throughput.
Bye
Rainer Tammer
On Thu, 11 Oct 2001 14:01:03 -0700, Andrew Raibeck wrote:
>There is a severity 1 APAR open for this, IC31873. We do not know yet know
>the cause, but will look to provide a fixtest when the problem has been
>identified and fixed.
>
>Regards,
>
>Andy
>
>Andy Raibeck
>IBM Software Group
>Tivoli Storage Manager Client Development
>Internal Notes e-mail: Andrew Raibeck/Tucson/IBM@IBMUS
>Internet e-mail: storman AT us.ibm DOT com
>
>The only dumb question is the one that goes unasked.
>The command line is your friend.
>"Good enough" is the enemy of excellence.
>
>
>
>
>Ken Long <ken.long AT WHEDA DOT COM>
>Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>10/11/2001 13:05
>Please respond to "ADSM: Dist Stor Manager"
>
>
> To: ADSM-L AT VM.MARIST DOT EDU
> cc:
> Subject: NT client 4.2.1 - scheduled backups EXTREMELY low
> transfer rate
>
>
>
>I upgraded to TSM 4.1.4 server over the weekend, and upgraded the NT
>clients from ADSM 3.1.0.8 to TSM 4.2.1.
>
>My NT clients are now seeing aggregate data transfer rates of 200-400
>KB/Sec. Previously they were getting 2-4 MB/Sec. The only thing that
>changed on these clients is the ADSM to TSM client upgrade.
>
>My AIX clients, running the ADSM 3.1.0.8 client, are not having a problem,
>they are still achieving the 2-4 MB/Sec transfer rates.
>
>Anyone else out there have similar problems? Any advice would be
>appreciated. TSM support just says "it's a performance problem, call
>Consult Line."
>
>The TSM server is AIX 4.3.3, with 256M RAM, gigabit ethernet adapters.
>
>The NT servers are all 100 Mbs ethernet, except two which are gigabit
>adapters and still exhibit this problem.
>
>Some of these backups are direct to tape, but had been before the upgrade.
>
>The tape library is a Magstar 3575 and none of it's operations appear
>degraded.
>
>Thanks... Ken
>
>=============================================================
>Ken Long - Wisconsin Housing and Economic Development Authority
>Phone: (608) 267-1467 Fax: (608) 267-2825
>mailto:ken.long AT wheda DOT com
>
>Client Options:
>===============
>CommMethod TCPIP
>TCPPort 1500
>Compression Off
>Domain All-Local
>RevokeRemoteAccess Access
>ManagedServices Schedule WebClient
>TCPBuffSize 128
>TCPNoDelay Yes
>LargeCommBuffers Yes
>
>Server Options:
>===============
>Server Option Option Setting Server Option Option Setting
>----------------- -------------------- -----------------
>--------------------
>CommTimeOut 60 IdleTimeOut 30
>BufPoolSize 2048 LogPoolSize 512
>MessageFormat 1 Language en_US
>MaxSessions 25 ExpInterval 0
>ExpQuiet No EventServerLogg- Yes
> ing
>MirrorRead DB Normal MirrorRead LOG Normal
>MirrorWrite DB Sequential MirrorWrite LOG Parallel
>VolumeHistory volhist.dsm Devconfig
>/usr/tivoli/tsm/se-
>
>rver/bin/devconfi-
> g.dsm
>TxnGroupMax 40 MoveBatchSize 40
>MoveSizeThresh 500 StatusMsgCnt 10
>RestoreInterval 1,440 UseLargeBuffers Yes
>DisableScheds No NOBUFPREfetch No
>AuditStorage Yes REQSYSauthoutfile Yes
>SELFTUNEBUFpool- Yes SELFTUNETXNsize Yes
> size
>DBPAGEShadow No DBPAGESHADOWFile dbpgshdw.bdt
>QueryAuth None LogWarnFullPerC- 90
> ent
>ThroughPutDataT- 0 ThroughPutTimeT- 0
> hreshold hreshold
>NOPREEMPT ( No )
>TCPPort 1500 HTTPPort 1580
>HTTPSPort 1543 TCPWindowsize 0
>TCPBufsize 16384 TCPNoDelay Yes
>IPXSocket 8522 NetbiosBufferSize 16384
>NetbiosSessions 25 LuName DSMSERV1
>TPNProfilename TPNAME dsmserv
>IPXBufferSize 4096 CommMethod TCPIP
>CommMethod HTTP MsgInterval 1
>Enable3590Library No ShmPort 1510
>FileExit UserExit
>FileTextExit AssistVCRRecovery Yes
>AcsAccessId AcsTimeoutX 1
>AcsLockDrive No AcsQuickInit No
>SNMPSubagentPort 1521 SNMPSubagentHost 127.0.0.1
>SNMPHeartBeatInt 5 TECHost
>TECPort 0
>
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