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Re: [Networker] CFI sizing
2008-07-01 13:06:28
On Jul 1, 2008, at 12:40 PM, Jonathan Walsh wrote:
I wonder if anyone can point me in the right direction with this. I'm
trying to set sizes for the CFIs in an environment with > 200 hosts.
I'm OK on sizing for file data but have been asked what the difference
would be if we were to have 'Brick Level' backups as well as Storage
Group
backups.
Sizing when backing up an SG is relatively simple as there are
relatively
few files albeit many logs. However, in an environment with > 35,000
users, I believe that the difference for 'Brick Level' backups would
be
dramatic.
Am I being overly negative on this..?
Are you referring to backing up an Exchange server? If so, I suggest
that your question is probably irrelevant. Why? Unless you are running
a very small Exchange server, doing brick level backups will take too
long to complete. When the Exchange 2003 server here held only 200 or
so users and around 200GB worth of their email, I tried doing a brick
level backup. That backup was still running nearly two days before I
stopped it. If you cannot not do brick level backups in a reasonable
time then it makes no sense to do them at all, in which case, your
question is a moot point. If your Exchange server is small, you can
get away with doing brick level backups; however, the hit on extra
disk space to maintain the resulting CFI entries probably will be
minimal. You might also try looking into the new VSS Exchange backup
method, which I haven't tried yet, so I can't comment on it.
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