Comment # 6 on bug 980962 from Uli Wortmann

(In reply to Arvin Schnell from comment #5)
> Better have a look in /var/log/snapper.log to see why a snapshot cannot
> be deleted.

OK, as of now, I have 71 snapshots, and if I run

snapper cleanup number with the above config, I get the following log:

Let me know if there is a way to get more verbose output

Cheers

Uli

------------------------------2016-05-31 09:23:33 MIL libsnapper(23119)
Snapper.cc(~Snapper):118 - Snapper destructor
2016-05-31 09:23:37 MIL libsnapper(23119) Snapper.cc(Snapper):87 - Snapper
constructor
2016-05-31 09:23:37 MIL libsnapper(23119) Snapper.cc(Snapper):88 - libsnapper
version 0.3.2
2016-05-31 09:23:37 MIL libsnapper(23119) Snapper.cc(Snapper):89 -
config_name:root disable_filters:false
2016-05-31 09:23:37 MIL libsnapper(23119) AsciiFile.cc(reload):114 - loading
file /etc/snapper/configs/root
2016-05-31 09:23:37 MIL libsnapper(23119) AsciiFile.cc(getValue):235 -
key:SUBVOLUME value:/
2016-05-31 09:23:37 MIL libsnapper(23119) AsciiFile.cc(getValue):235 -
key:FSTYPE value:btrfs
2016-05-31 09:23:37 MIL libsnapper(23119) AsciiFile.cc(getValue):235 -
key:SYNC_ACL value:no
2016-05-31 09:23:37 MIL libsnapper(23119) Snapper.cc(Snapper):107 - subvolume:/
filesystem:btrfs
2016-05-31 09:23:37 MIL libsnapper(23119) Snapper.cc(loadIgnorePatterns):156 -
number of ignore patterns:8
2016-05-31 09:23:37 MIL libsnapper(23119) Snapshot.cc(read):224 - found 71
snapshots
2016-05-31 09:23:37 ERR libsnapper(23119) Btrfs.cc(deleteSnapshot):407 - delete
snapshot failed, ioctl(BTRFS_IOC_SNAP_DESTROY) failed, errno:39 (Directory not
empty)
2016-05-31 09:23:37 WAR libsnapper(23119) Btrfs.cc(deleteSnapshot):408 - THROW:
delete snapshot failed
2016-05-31 09:23:37 WAR libsnapper(23119) Client.cc(dispatch):1612 - CAUGHT:
delete snapshot failed