Veritas-bu

[Veritas-bu] Re: Fast backup to tape but slow backup to disk on NBU

2005-08-23 07:43:36
Subject: [Veritas-bu] Re: Fast backup to tape but slow backup to disk on NBU
From: pkeating AT bank-banque-canada DOT ca (Paul Keating)
Date: Tue, 23 Aug 2005 07:43:36 -0400
Performance limitation.

Doing your offload to tape is requiring the heads to seek which would
kill backup performance.

I'm very interested to hear more about Kathryn's 24 concurrant jobs to a
staging unit.
Everyone else seems to say 1 or max 2 jobs per!!!

Paul

> -----Original Message-----
> From: veritas-bu-admin AT mailman.eng.auburn DOT edu 
> [mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of 
> william.d.brown AT gsk DOT com
> Sent: August 23, 2005 2:00 AM
> To: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Re: Fast backup to tape but slow 
> backup to disk on NBU
> 
> 
> Kathryn,
> 
> You said:
> 
> <<However, because I can't stage diskimages to tape while 
> active backups 
> are writing to the disks,>>
> 
> Is that a product limitation, or due to some practical 
> reality?  Is it an 
> easy script...presumably you need a quiet point to run the script?
> 
> William D L Brown
> 
> 
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