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Re: [Veritas-bu] Ex2k3 Snapshot Backups (VSS)
2011-02-02 01:14:26
We are doing snap backup from the CCR Secondary copy with good
performance. What does take a little time (Not much, but we do see
it) is the exchange consistency checks and log replay on the
snapshot. We have a similar amount of data to you. What disk
subsystem do you have for the exchange data? The mailstore backup is
a big sequential read of all your data. You may want to check you
don't have online maint windows scheduled for when you are running
the backup as that will fill up your snapshot delta fast and make
both things run a lot slower than you would like.
I haven't checked recently, but we backup a TB of Exchange in about
3 hours. It is Exchange 2007 though, and we are backing up to
DataDomain DD660.
I love the Optimized Dupe of that data :)
On 2/1/2011 7:50 AM, WEAVER, Simon (external) wrote:
Saran
There is tons. That is
not the issue. What I am after is real life experiences with
this, that someone has used it, tried it, and its quicker
than conventional multi stream backups?
Have you got this
implemented?
Simon
I am sure you must have checked there is sufficient free space on
the clients to accomdate snapshots.
On Tue, Feb 1, 2011 at 2:32 AM, WEAVER,
Simon (external) <simon.weaver AT astrium.eads DOT net>
wrote:
Morning
I have TB's of
Exchange Data, and do Information Store backups. These
usually get finished in roughly 6 hours or so.
I got an Eval
License to look at "Snapshot" Backups for Exchange 2k3.
Environment is all pure Windows Master and Media Servers
Created a new
Policy, ensured the NetBackup Client Service was using a
Domain Account with permissions.
Ensure the
policy had "perform snapshot backups" and using VSS
Ran it ...
but its slower than I expected. Just wondered if anyone
had any real experience on this, as I dont want to fork
out alot of money for something that I thought would be
better (and it should be!)
Thanks
Regards
Simon
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