[dm-devel] dm-cache module
Olivier B.
dm.list at daevel.fr
Sun Mar 21 10:35:02 UTC 2010
On 21/03/2010 04:37, Mike Snitzer wrote:
> Such a DM target would be quite useful to have upstream given how
> prevalent SSDs have become.
>
I'm totally agree with that.
> Just curious: where have you gotten this insight about dm-cache being
> stable and used in production? That should help dm-cache's cause if it
> is submitted for review.
>
Well I wrote to Ming before post here, and found comments about the
module in the project OpenFiler which seem to integrate it :
https://forums.openfiler.com/viewtopic.php?id=3595
> Writeback support is arguably the most useful aspect of a caching DM
> target so emphasis must be placed on its review/implementation. Using
> SSD as a persistent writeback cache should afford us much more fault
> tolerance in the face of system crashes during writeback to the slower
> media.
>
Yes it's also for the writeback feature I'm interested.
I don't think be enough skilled to help for update the code, but maybe I
can do some tests.
Thanks,
Olivier
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