Veritas-bu

[Veritas-bu] Performance Question...

2002-06-25 14:16:16
Subject: [Veritas-bu] Performance Question...
From: david AT datastaff DOT com (David A. Chapa)
Date: Tue, 25 Jun 2002 14:16:16 -0400
Thanks.

I was hopeful that maybe I missed something...but I hadn't.  No logging is 
taking place on this client.

David

Quoting Prasad Chalikonda <prasadcm AT optonline DOT net>:

> Try turning logging off completely - I mean even deleting all the 
> directories under netbackup\logs, and test the performance.
> 
> I was in a similar predicament a month ago, and turning logging off on a 
> 2000 cluster (DL580's) made backups go from 700kb/s to 11Mb/s (9840B 
> drives in a SAN).
> 
> 
> Prasad.
> 
> 
> 
> David A. Chapa wrote:
> 
> > Okay, I have a client who is having some serious performance issues with
> their 
> > NT / 2000 backup jobs.
> > 
> > One client in particular is a 2000 machine with 300GB RAID 5, they have a
> LARGE 
> > NUMBER of SMALL FILES.
> > 
> > We went through all of the normal test, network, ftp, bpbkar to dev/null,
> etc., 
> > etc. (believe me we did our due diligence)  We did identify that defrag'ing
> one 
> > of the drives helped in the backup performance (~1GB/hour), but not nearly
> as 
> > good as it should be performing (20 - 30 GB/hour to 9840A's and B's)
> > 
> > Any creative ideas out there for making this run FASTER?
> > 
> > Or are we just SOL because of the NUM FILES and their TINY size?
> > 
> > Thanks 
> > 
> > David Chapa
> > 
> > 
> > _______________________________________________
> > Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > 
> > 
> 
> 




<Prev in Thread] Current Thread [Next in Thread>