Re: TSM LTO 3580 Performance
2003-06-13 11:06:45
Also...an Adaptec 2940 is an older SCSI-2 card...10MB/sec, isn't it?
Maybe that's an issue....
-Lloyd
On Thu, 12 Jun 2003 08:11:51 -0500
Colby Morgan <cmorgan AT DATA-TRONICS DOT COM> wrote:
> We in the process of moving to an IBM 3580 external LTO drive for manual
> offsite vaulting of primary storage pools. I have read several older
> reports on http://msgs.adsm.org about poor performance with TSM, LTO and
> small files. We are experiencing the same behavior and I was just
> curious if anybody has ran into this lately. We see about 10-15GB/hour
> with small files and 42-57GB/hour on larger files.
>
> We are running TSM 5.1.6.5 on Win2k SP3. The drive is an external IBM
> 3580 and is the only device hooked to an Adaptec 2940 SCSI controller.
> We are also running v5.0.5.4 of the IBM 3580 drivers.
>
> I maxed out the following server options (which helped):
> MoveBatchSize 1000
> TxnGroupMax 256
>
> I also set the drive parameters via ntutil as described in this Redbook
> (which also helped):
> http://www.redbooks.ibm.com/redpieces/pdfs/sg246268.pdf
>
> Anybody else ran into these problems?
>
>
> Thanks,
>
> Colby
>
--
-----------------------------------------------------------------
Lloyd Dieter - Senior Technology Consultant
Registered Linux User 285528
Synergy, Inc. http://www.synergyinc.cc ldieter AT snrgy DOT com
Main:585-389-1260 fax:585-389-1267
SMS:5853292627 AT vtext DOT com
-----------------------------------------------------------------
|
|
|