Veritas-bu

[Veritas-bu] How to make (3.4.x) catalog backup faster? Is 4.5 faster?

2002-10-19 23:54:32
Subject: [Veritas-bu] How to make (3.4.x) catalog backup faster? Is 4.5 faster?
From: mark_eisenhardt AT stoneybrookfl DOT com (Mark Eisenhardt)
Date: Sat, 19 Oct 2002 23:54:32 -0400
Hi Andrew,
You are currently getting 29.09 Gig Per Hr. I was wondering what is the
performance that you would expect to be seeing?
Thanks,
Mark Eisenhardt

-----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 Fabbro, 
Andrew
P
Sent: Saturday, October 19, 2002 11:06 PM
To: 'veritas-bu AT mailman.eng.auburn DOT edu '
Subject: [Veritas-bu] How to make (3.4.x) catalog backup faster? Is 4.5
faster?

I would dearly love to make our NetBackup catalog backups faster.  I've got
about 80GB of catalog.  The Master is a Sun E450 w/4x300Mhz procs and 4GB
RAM running Solaris 8.  The catalog lives on Hitachi 9980 storage and the
Master has a dedicated LTO drive (also fiber).  The /usr/openv filesystem is
VxFS.

Right now a catalog backup takes ~2:45 hours.  The bottleneck is not tape or
storage.  I think it's the classic "many small files" problem - my
/usr/openv has ~280,000 files.

I'm wondering if anyone has tried any VxFS tuning to improve performance (I
know I'm reaching here).  I'm also wondering what improvements if any people
are seeing with 4.5.

Thanks,

-andrew fabbro [fabbro.andrew AT cnf DOT com]


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