Does fstrim work on a LVM filesystem that has a snapshot or on a snapshot itself ?
Issue
fstrim
is not
working on a filesystem which has a snapshot LV even though storage is TRIM/discard supported.
# fstrim -v /data
fstrim: /data: the discard operation is not supported
Environment
- Red Hat Enterprise Linux 7
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.