Veritas-bu

Re: [Veritas-bu] Need some suggestions

2007-11-14 13:12:02
Subject: Re: [Veritas-bu] Need some suggestions
From: Justin Piszcz <jpiszcz AT lucidpixels DOT com>
To: ckstehman AT pepco DOT com
Date: Wed, 14 Nov 2007 12:51:50 -0500 (EST)
Agree, what is the network speed?

Multiplexing is only going to help so much.

You can also tune the client buffer size to 128KiB, I hear this is 
supposed to help, default is 32KiB.

Justin.

On Wed, 14 Nov 2007, ckstehman AT pepco DOT com wrote:

> What is your network speed:
>
> This may not be your problem if you are getting 2000KB/sec, but might be
> worh a try.
> However that is slow.  I get that only on a couple of very old Compaq Tru
> 64 servers that max out
> at 100MB
>
> Check these settings:
>
> If you are running 1G then be sure the NIC and the switch are both set to
> auto negotiate.
>
> Things can get slow if you are backing up lots of small files.
>
>
> =============================
> Carl Stehman
> IT Distributed Services Team
> Pepco Holdings, Inc.
> 202-331-6619
> Pager 301-765-2703
> ckstehman AT pepco DOT com
>
>
>
> "Cruice, Daniel \(US - Glen Mills\)" <dcruice AT deloitte DOT com>
> Sent by: veritas-bu-bounces AT mailman.eng.auburn DOT edu
> 11/14/2007 12:08 PM
>
> To
> <Veritas-bu AT mailman.eng.auburn DOT edu>
> cc
>
> Subject
> [Veritas-bu] Need some suggestions
>
>
>
>
>
>
> The setup?
> Client:
> Windows 2003 Svr
> 6 TB of very small files?Word, Excel etc
>
> NBU environment
> 6.0 MP4
> all Windows?media and master node.
> LTO3 drives SAN Attach (FC)
> Mutlistreaming enabled
> 1GB isolated network
> Multiplexing enabled, and don?t laugh it is set to 20?I know I know
> hopefully I?ll never need to do a full system restore.
>
> I?ve isolated all policies from the media server that handles this clients
> backup request.
>
> And yet my full backup is running anywhere from 1.5 ? 2 days, my transfer
> rate to tape is running around 2000 KB/sec?horrible
>
> What else can I do to help speed this up?
>
> Thanks
> Dan Cruice
> Deloitte Technology Service
> Deloitte & Touche Tohmatsu
> Direct: +1 610-479-5179
> Fax: +1 610-479-6179
> E-mail: dcruice AT deloitte DOT com
> www.deloitte.com
>
>
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