On Mar 13, 2014, at 10:32 AM, Francois Gaudreault <[email protected]> wrote:
> Basically, let's say we have a linux VM running on EXT or XFS as the local > filesystem, how is XFS/EXT consistency helped by ZFS features? (i.e Is it > true to say fsck would be useless if we use ZFS?) 1. Not at all (and no). It’s a VM - it has no visibility to ZFS, it just sees EXT/XFS and fsck is still necessary if the VM crashes or otherwise goes down unexpectedly. > And the other question would be, how do we make sure we get consistent > snapshots when using c-o-w? ZFS snapshots are always consistent. Whether or not the VM is quiescent when the snapshot is taken is another matter, and that depends entirely on the VM hosting infrastructure, not ZFS. In short, these aren’t really ZFS questions. They’re Linux/VM (ware?) questions. :) - Jordan
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