[dm-devel] dm-cache: dirty state of blocks in writethrough mode
Kumar amit mehta
gmate.amit at gmail.com
Fri Jul 26 02:45:46 UTC 2013
On Thu, Jul 25, 2013 at 12:45:31PM +0200, Heinz Mauelshagen wrote:
> You can set up a mirrored metadata device to be resilient against
> SSD failures.
Okay
> Plus you can take metadata snapshots at arbitrary points in time;
> see the targets kernel documentation in thin-provisioning.txt for this
> and the recent thin_dump support metadata snapshots in the rawhide
> device-mapper-persistent-data package.
>
So these feature is already upstream and also in fedora 20, but not in
Red Hat 6.4 yet ?
> Either is subject to future LVM2 support and isn't supported as yet.
So, if LVM2 doesn't support it as of now, Any idea if EVMS or any other
volume Managers consume these features?
!!amit
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