[Veritas-bu] HP Ultrium2 LTO II Drives Performance

Bhakat Amit Kumar(Amit) labsupport at iidc.lucent.com
Wed Mar 16 03:23:46 CST 2005

All the cabling is done with 6 miter cable. I have LVD drive. The interface
on the server supports 160Mb/s that is cascaded in 2 drives.


-----Original Message-----
From: veritas-bu-admin at mailman.eng.auburn.edu
[mailto:veritas-bu-admin at mailman.eng.auburn.edu]On Behalf Of K Chapman
Sent: Wednesday, March 16, 2005 5:37 AM
To: veritas-bu at mailman.eng.auburn.edu
Subject: RE: [Veritas-bu] HP Ultrium2 LTO II Drives Performance

--- "Bhakat Amit Kumar(Amit)"
<labsupport at iidc.lucent.com> wrote:
> Hello,
> 	Thanks to all who are all replayed. I have done the
> following changes in
> /etc/system and Netbackup tune as per
> http://seer.support.veritas.com/docs/183702.htm .
> Now I am gating 13Mb/s
> throughput. But the drive can support 30Mb/s.
> Also I observer the backup via Gige LAN is faster
> then local file system,
> for local fs I am gating 5Mb/s. Where both the fs
> coming from same SAN
> (T3+).
> Can some one can tell me way to get best performance
> ?
> Do I need to do any tune in File system label ?
> Thanks,
> Amit

is everything cabled correctly?  we get far better
perf with some of the same settings from that doc.

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