Kameleon <kameleo...@gmail.com> wrote on 06/22/2012 03:41:56 PM:
> We just had to buy 2 backup drives and they were over $1000. This is a
> Dell server, not some basic desktop drive. Otherwise I woudl have to
> fully agree with you and say we need to just buy new drives. We also
> are in a budgetary constraint. Hence the need to move the drives
> instead of purchase new ones.
I have *NEVER* understood the logic of putting BackupPC into your SAN.
First of all, your SAN contains your production data, so why do you want
to store the backups there? Second of all, it uses (I assume, given the
cost) 15k RPM SAS drives, which are *crazy* fast and *crazy* expensive.
You can fix both of those by throwing a bunch of 7200 RPM SATA drives into
a reasonably low-end PC for less than the price of those two SAS drives.
Backup is about bulk storage with reasonable (near-line) performance and
reliability. SAN is all about maximum performance and maximum
reliability. Their strengths do not mesh well.
Besides, it's backup. If you're using it, something has already gone
pretty far wrong. Do you really want your backup server to be several
layers away from the underlying data? I don't. What if the thing that
caused you to need the backup was an issue in the virtualization
system--the same thing that your backups are depending on!
In the case of online data, multiple copies is not practical. In the case
of backups, multiple copies are perfectly fine. You can achieve multiple
copies by using the archive feature, or even easier by having two BackupPC
servers!
I'm sure you've got a dozen objections why you just *can't* put BackupPC
on separate, inexpensive hardware. But you've very effectively painted
yourself into an awkward corner. We don't have a rabbit to pull out of
our hat. Speaking for myself, I think that you underlying assumptions and
basic decisions have more to do with the awkward spot you're in than does
the technology.
Tim Massey
Out of the Box Solutions, Inc.
Creative IT Solutions Made Simple!
http://www.OutOfTheBoxSolutions.com
tmas...@obscorp.com
22108 Harper Ave.
St. Clair Shores, MI 48080
Office: (800)750-4OBS (4627)
Cell: (586)945-8796
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