[Veritas-bu] HP Ultrium2 LTO II Drives Performance

Bhakat Amit Kumar(Amit) labsupport at iidc.lucent.com
Wed Mar 16 08:55:37 CST 2005


My master and media server is same. that is a Sun Fire 6800. All the FS are
coming from SAN with T3+ (FC).

Amit


-----Original Message-----
From: veritas-bu-admin at mailman.eng.auburn.edu
[mailto:veritas-bu-admin at mailman.eng.auburn.edu]On Behalf Of Paul
Keating
Sent: Wednesday, March 16, 2005 6:58 PM
To: veritas-bu at mailman.eng.auburn.edu
Subject: RE: [Veritas-bu] HP Ultrium2 LTO II Drives Performance


What kind of server are you running for your backup master?

Your "local" FS you are backing up is SAN attached? (FC?)

Paul

> -----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: March 15, 2005 7:07 PM
> 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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