Backing Up ZFS
wojtek at wojtek.tensor.gdynia.pl
Fri Dec 19 11:53:00 UTC 2008
> As ZFS is becoming more stable and approaching production ready, how
> would one "Backup" ZFS? In terms of backing up to an external media or
> storage rather than doing snapshots. In case the the server
> spontaneously bursts into flames.
use tar it's filesystem independent if you have tape drives.
actually you can tar to anything even multivolume backup using USB
> I'm just curious at what others are currently doing to back up huge
> amounts of data. eg. 2TB and onwards.
> 1. ZFS -> External HDD (External HDD aren't even big enough to handle
> greater than 2TB) Taken offsite daily
> 2. ZFS -> Another ZFS box (Not sure how you take it off site daily)
> 3. ZFS -> Remote ZFS using RSync (Living in Australia, there are
> limits on data transfer of a few hundred GB per month, to costs are
you don't require your backup target to have ZFS.
all your 3 solutions are filesystem-independent
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