On 03/01/2013 9:45 am, Karl Denninger wrote:
I briefly did something like this between two FreeNAS boxes, it
seemed
to work well, but my secondary Box wasn't quite up to par hardware.
Combine that with the lack of necessary internet bandwidth with a
second physical location in case of something really disastrous, like
a tornado or fire destroying my house. I ended up just using an
eSATA
drive dock and Bacula, with a few external drives rotated regularly
into my office at work, rather than upgrading the secondary box.
If you have the secondary box that is adequate, and either offsite
backups aren't a concern or you have a big enough pipe to a secondary
location that houses the backup this should work.
I would recommend testing your incremental snapshot rotation, I never
did test a restore from anything but the most recent set of data when
I was running my setup, I did however save a weeks worth of hourly
snapshots on a couple of the more rapidly changing data sets.
I rotate the disaster disks out to a safe-deposit box at the bank, and
they're geli-encrypted, so if stolen they're worthless to the thief
(other than their cash value as a drive) and if the building goes
"poof"
I have the ones in the vault to recover from. There's the potential
for
loss up to the rotation time of course but that is the same risk I had
with all UFS filesystems.
I've tested the restores onto a spare box and it appears to work as
expected...
Thanks for the comments!
Yes, good point on the Geli encryption, I do that as well on my
external backup drives, didn't think to mention that in the last post.
I have considered the safe-Deposit box as well, but our office building
at work is fairly well secured seeing as it houses the main data-center
for our company, doors locked 24 hours a day, with electronic locks that
log all entries. Its also an old brick and concrete building, that has
survived a direct Tornado hit about 15 years ago with only very minor
cosmetic exterior damage, to the awning over the front stairs and the
Company logo above it. I feel fairly secure in keeping the disk drives
there, and if ever need my offsite backup at 3:00am I can go get it
rather than be stuck waiting for the bank to open.
--
Thanks,
Dean E. Weimer
http://www.dweimer.net/
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