Backup strategy for large mailbox stores
vbfox at ucdavis.edu
Mon Feb 15 15:43:26 EST 2010
John Madden wrote:
> We did quite a bit with snapshots (LVM) to when we were experimenting
> with block-level backups but there's a performance problem there -- we
> were saturating GbE. Snapshot doesn't really buy you anything in
> terms of getting the data to tape.
We run the tape backup from previous night snapshot, that way we know it's a
read-only copy and nothing in flight. All of our usage so far has been
all my mail 2 days ago" and we retrieve that from snapshots. For our
purposes nobody interacts with the tape except we know it's there for DR.
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