On May 11, 2010, at 4:25 PM, Alan Epps wrote:

> 1) If you have large (larger than two terabytes) file systems what are you 
> serving them from? (i.e. Mac XServ, NetApp, Sun/ZFS, ?)

Xserve attached to a NexSAN SATABeast.  The part that's formatted HFS+ is about 
14TB.

> 2) If you meet the above criteria, how are you backing up the data on your 
> systems, and have you verified the backups (including the resource fork 
> structures)?

We do disk-to-disk using a patched version of rsync 3 (not hard to compile).  
That preserves resource forks, ACLs, and other Mac-specific metadata.  We 
tested it against Backup Bouncer (which I *highly* recommend when testing 
metadata preservation):

  http://www.n8gray.org/blog/category/projects/backup-bouncer/

The rsync scripts include a hard-linked snapshot component, so the incrementals 
don't take up a ton of room (we don't have a lot of churn in our data, though). 
 I'm happy to provide links to our "notes to self" on how that all works.

Jason

--
Jason Healy    |    jhe...@logn.net    |   http://www.logn.net/





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