How to run FSTRIM on RBD devices which acts as the backend for OpenStack VM?
Issue
- How to run
fstrimonrbddeviceswhich acts as the backend forOpenStackVM? - When trying to mount an
RBD imageit showsunknown filesystem typeerror.
# mount /dev/rbd0 /mnt/image
mount: /dev/rbd0 is write-protected, mounting read-only
mount: unknown filesystem type '(null)'
Environment
- Red Hat OpenStack 13.
- Red Hat Ceph Storage 3,4.
- RBD
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