[DRBD-user] does drbd act like a loop device?

Dan Ringdahl dan at ringdahl.org
Wed Mar 27 20:13:06 CET 2013

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


I have been using it this way for over a year now without issue.

On 03/27/2013 03:40 AM, Maurits van de Lande wrote:
>
> Hello,
>
> I'm would like to use a volume cached with flashcache as a drbd 
> backing device with drbd 8.3. In order for flashcache to work there 
> should not be a loop device in the storage path.
>
> Like:
>
> /dev/sdb1 regular disk raid6 partition
>
> /dev/sdc1           SSD based raid 1 partition
>
> The I use flashcache_create -p back cachedev /dev/sdc1 /dev/sdb1 to 
> create the cached disk
>
> Drbd will use /dev/mapper/cachedev
>
> Does drbd act like a loop device? Has anybody used drbd in this way? 
> (This is a different setup as Florian Haas used with drbd 8.4)
>
> Best regards,
>
> Maurits van de Lande
>
>
>
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