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Re: [Networker] Persistent problem backing up Exchange
2007-01-31 11:20:46
On Jan 31, 2007, at 10:29 AM — 1/31/07, Per-Jonny Kristiansen wrote:
I have been doing exchange backup with good results for a while in
a cluster enviroment. 80 GB is not to much data. The most important
thing is to be sure the user you use to backup data with has enough
user rights in the exchange enviroment, and it works normally fine.
First make sure you applied patches for the networker version you
use. I would not tune tcp/ip values.
In your case I would check two things. Do you use two network
interface ? If so, are both on the same network ?
Second check for errors on the interface card. If it has alot of
errors then check cable and check switch. Try another port on switch.
If continue giving errors on interface card, change the interface
card.
We haven't tried a different switch port, but only three or four
network errors appear during a backup and they do not coincide with
events that are recorded in the event log. Jim Rowskowski sent out a
detailed set of information about adjusting TCP/IP parameters. I want
to try that approach. Unfortunately, the guy who manages this
Exchange server is reluctant to make any registry changes, but this
is the path I am advocating. For now, I am in the process of creating
a large set of standard text files on one of the two cluster nodes
that equals 80GB worth of data to see if a standard file level backup
also fails.
Thanks Jim and everyone else for your suggestions. When this problem
is resolved, I will post a summary here to explain what we did.
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