Veritas-bu

[Veritas-bu] Is Netbackup to blame

2002-09-26 07:47:14
Subject: [Veritas-bu] Is Netbackup to blame
From: mattm AT m-c-s DOT com (Matt Moody)
Date: Thu, 26 Sep 2002 07:47:14 -0400
If the server is a network attached client, make sure the card is set at
forced_full_duplex and the switched ports are set the same.  Using a sniffer
should determine if the server is transferring at half duplex or not.  If
this is a media server, make sure the size and number of data buffers are
setup appropriately...

Matthew Moody
MCSI

-----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 WEAVER,
Simon
Sent: Thursday, September 26, 2002 7:31 AM
To: 'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: [Veritas-bu] Is Netbackup to blame


Hello,
I have a question regarding our current Backup throughput to one of our most
critical Windows NT Servers.
Prior to a hardware failure on our Server, we were getting approx 4.5MB a
second on backups within a stream.

We had a hardware failure with a Compaq Array 4000. Our Data was spread
across 2 of these Compaq Arrays.
We recreated the NT Partition and restored the Data.

Now, we are unable to get any good backups, and throughput has been reduced
from 4.5MB to 100k/second. Sometimes if we are lucky in the evenings, we get
422k/Second.

On all our other backups, through put is exactly the same. It is only
focused on the Server that had the disaster! I am at a complete loss as to
what the actual problem is!

Has anyone ever come across this problem or seen anything like it? If anyone
has any tips, please tell me! I am happy to call you and give further
details if required!

Thanks


Simon Weaver
NT Domain Administrator
Ext. 5544
Tel: 02392-705544 (Direct Dial)
Simon.Weaver AT Astrium-Space DOT com

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