[linux-lvm] Best practice: metadata backup

[John Hearns]

On Wed, 2007-08-08 at 15:03 -0400, Stuart D. Gathman wrote:

> 
> I've always been interested in data storage that can recover from
> disaster.  I designed a database filesystem that stores a table id
> in every block, so that usable tables and directories can be recovered
> regardless of what portion of the filesystem is wiped out (missing records,
> of course).  It has saved our customers butt several times ("No, we don't
> know where the backup tapes have gone...we took them offsite like you said.
> You didn't say anything about bringing them back.").

Something along the lines of an object-based filesystem?
Great minds think alike!

I do a lot of work with Panasas  www.panasas.com
and Lustre   www.clusterfs.com


Not that familiar with ZFS - anyone care to comment?