Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 66bb2644 authored by Mike Snitzer's avatar Mike Snitzer
Browse files

dm cache: document metadata device is exclussive to a cache 



A cache's metadata device may not be shared by multiple cache devices.

Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
Acked-by: default avatarJoe Thornber <ejt@redhat.com>
parent 670368a8

Documentation/device-mapper/cache.txt

+2 −1
Original line number Diff line number Diff line
@@ -50,7 +50,8 @@ other parameters detailed later): 
   which are dirty, and extra hints for use by the policy object.

   This information could be put on the cache device, but having it

   separate allows the volume manager to configure it differently,

   e.g. as a mirror for extra robustness.

   e.g. as a mirror for extra robustness.  This metadata device may only

   be used by a single cache device.



Fixed block size

----------------