[DRBD-user] drbd + flashcache

Florian Haas florian at hastexo.com
Fri Feb 10 20:50:15 CET 2012

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On Fri, Feb 10, 2012 at 3:38 PM, Maurits van de Lande
<M.vandeLande at vdl-fittings.com> wrote:
> Hello,
>
> I'm exploring the features of flashcache see: http://www.github.com/facebook/flashcache and I like it's possibilities.
> Fortunately toracat from elrepo has been so kind to create an el6 package. http://elrepo.org/bugs/view.php?id=228
>
> I'm thinking of using flashcache with drbd in the following setup:
>
> - Centos6.2 (currently)
> - /dev/sdc : a RAID1 SSD array as flashcache
> - /dev/sdb : a RAID5 HD array for storage
>
> Then to create a cached storage array (cached sdb using sdc)
> /dev/mapper/flashcache1
>
> I would like to use that device for drbd. Can this cached storage array be used as a drbd target?

I've recently done a talk that explores this in detail:

http://youtu.be/l910kiEuHOM

Hope this is useful.

Cheers,
Florian

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