ext3 snapshots

Ted Roche tedroche at tedroche.com
Fri Apr 20 13:32:55 EDT 2007


Michael ODonnell wrote:
> 
> Also, did I hear somebody at last night's meeting refer to
> (what sounded like) an "ext3 snapshot" capability?  If so,
> is that anything beyond copying the raw bits of an active
> ext3 filesystem out from under a running kernel and hoping
> that journal-replay will keep it consistent?

I think what I heard was Christoph was talking about making multiple
copies ("cloning") a VM a.k.a. snapshot by suspending a running VM and
making a copy of the file that contains it. Not snapshot as in ZFS
snapshot, just a copy.

-- 
Ted Roche
Ted Roche & Associates, LLC
http://www.tedroche.com


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