Currently we use a 60gb Onstream Tape drive and Veritas Backup Exec to
backup our data nightly to tape. The tape drives are not that great, and
we're only getting about 6000 hours meantime between failure, in addition
the restore success rate is only about 95% (As in it fails about one time in
20, so if I have a month of backups one of them is probably bad).
Considering the low cost of the tape drives ($350) this isn't that
surprising, but I don't have the budget available to buy a decent system
($5k-$12k).
There is a small subset of our data (the database dat files) that is both
mission critical and very time sensitive (currently about 2.3gb worth, but
growing about a meg a day). Because of the way the databse works there
cannot be any competing file access (a file locking issue) so I can't use
any kind of hot backup system. So far while I've been working here there
have been a number of times where we've had to restore from the previous
day's backup which is bad enough but not my fault, however on three
occassions, we had to go more than one day back because the data wouldn't
restore properly.
I would like to minimize the possibility of this multi-day rollback, but I
have very little budget to accomplish this. Less than a thousand dollars up
front or two hundred a month (most likely). I'm considering implementing
some sort of second backup system, possibly an online backup. Does anyone
have any suggestions, recommendations, ideas, etc.?
Chris Berry compjma@xxxxxxxxxxx Systems Administrator JM Associates
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