On 07/24/2017 10:38 AM, Ken Gaillot wrote: > A restart shouldn't lead to fencing in any case where something's not > going seriously wrong. I'm not familiar with the "kernel is using it" > message, I haven't run into that before.
I posted it at least once before. > > Jul 22 14:03:48 zebrafish Filesystem(drbd_filesystem)[6886]: INFO: Running > stop for /dev/drbd0 on /raid > Jul 22 14:03:48 zebrafish Filesystem(drbd_filesystem)[6886]: INFO: Trying to > unmount /raid > Jul 22 14:03:48 zebrafish Filesystem(drbd_filesystem)[6886]: ERROR: Couldn't > unmount /raid; trying cleanup with TERM > Jul 22 14:03:48 zebrafish Filesystem(drbd_filesystem)[6886]: INFO: No > processes on /raid were signalled. force_unmount is set to 'yes' > Jul 22 14:03:49 zebrafish Filesystem(drbd_filesystem)[6886]: ERROR: Couldn't > unmount /raid; trying cleanup with TERM > Jul 22 14:03:49 zebrafish Filesystem(drbd_filesystem)[6886]: INFO: No > processes on /raid were signalled. force_unmount is set to 'yes' > Jul 22 14:03:50 zebrafish ntpd[596]: Deleting interface #8 enp2s0f0, > 144.92.167.221#123, interface stats: received=0, sent=0, dropped=0, > active_time=260 secs > Jul 22 14:03:50 zebrafish Filesystem(drbd_filesystem)[6886]: ERROR: Couldn't > unmount /raid; trying cleanup with TERM > Jul 22 14:03:50 zebrafish Filesystem(drbd_filesystem)[6886]: INFO: No > processes on /raid were signalled. force_unmount is set to 'yes' > Jul 22 14:03:51 zebrafish Filesystem(drbd_filesystem)[6886]: ERROR: Couldn't > unmount /raid; trying cleanup with KILL > Jul 22 14:03:51 zebrafish Filesystem(drbd_filesystem)[6886]: INFO: No > processes on /raid were signalled. force_unmount is set to 'yes' > Jul 22 14:03:52 zebrafish Filesystem(drbd_filesystem)[6886]: ERROR: Couldn't > unmount /raid; trying cleanup with KILL > Jul 22 14:03:53 zebrafish Filesystem(drbd_filesystem)[6886]: INFO: No > processes on /raid were signalled. force_unmount is set to 'yes' > Jul 22 14:03:54 zebrafish Filesystem(drbd_filesystem)[6886]: ERROR: Couldn't > unmount /raid; trying cleanup with KILL > Jul 22 14:03:54 zebrafish Filesystem(drbd_filesystem)[6886]: INFO: No > processes on /raid were signalled. force_unmount is set to 'yes' > Jul 22 14:03:55 zebrafish Filesystem(drbd_filesystem)[6886]: ERROR: Couldn't > unmount /raid, giving up! > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ umount: /raid: target is busy. ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ (In some cases useful info about > processes that use ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ the device is found by lsof(8) > or fuser(1)) ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ ocf-exit-reason:Couldn't unmount /raid; > trying cleanup with TERM ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ umount: /raid: target is busy. ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ (In some cases useful info about > processes that use ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ the device is found by lsof(8) > or fuser(1)) ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ ocf-exit-reason:Couldn't unmount /raid; > trying cleanup with TERM ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ umount: /raid: target is busy. ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ (In some cases useful info about > processes that use ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ the device is found by lsof(8) > or fuser(1)) ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ ocf-exit-reason:Couldn't unmount /raid; > trying cleanup with TERM ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ umount: /raid: target is busy. ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ (In some cases useful info about > processes that use ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ the device is found by lsof(8) > or fuser(1)) ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ ocf-exit-reason:Couldn't unmount /raid; > trying cleanup with KILL ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ umount: /raid: target is busy. ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ (In some cases useful info about > processes that use ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ the device is found by lsof(8) > or fuser(1)) ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ ocf-exit-reason:Couldn't unmount /raid; > trying cleanup with KILL ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ umount: /raid: target is busy. ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ (In some cases useful info about > processes that use ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ the device is found by lsof(8) > or fuser(1)) ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ ocf-exit-reason:Couldn't unmount /raid; > trying cleanup with KILL ] > Jul 22 14:03:55 zebrafish lrmd[1075]: notice: > drbd_filesystem_stop_0:6886:stderr [ ocf-exit-reason:Couldn't unmount /raid, > giving up! ] > Jul 22 14:03:55 zebrafish crmd[1078]: notice: Result of stop operation for > drbd_filesystem on zebrafish: 1 (unknown error) > Jul 22 14:03:55 zebrafish crmd[1078]: notice: > zebrafish-drbd_filesystem_stop_0:101 [ umount: /raid: target is busy.\n > (In some cases useful info about processes that use\n the device is > found by lsof(8) or fuser(1))\nocf-exit-reason:Couldn't unmount /raid; trying > cleanup with TERM\numount: /raid: target is busy.\n (In some cases > useful info about processes that use\n the device is found by lsof(8) > or fuser(1))\nocf-exit-reason:Couldn't unmount /raid; trying cleanup with > TERM\numount: /raid: target is busy.\n > Jul 22 14:03:55 zebrafish crmd[1078]: warning: Action 45 > (drbd_filesystem_stop_0) on zebrafish failed (target: 0 vs. rc: 1): Error > Jul 22 14:03:55 zebrafish crmd[1078]: notice: Transition aborted by > operation drbd_filesystem_stop_0 'modify' on zebrafish: Event failed > Jul 22 14:03:55 zebrafish crmd[1078]: warning: Action 45 > (drbd_filesystem_stop_0) on zebrafish failed (target: 0 vs. rc: 1): Error > Jul 22 14:03:55 zebrafish crmd[1078]: notice: Transition 2 (Complete=21, > Pending=0, Fired=0, Skipped=0, Incomplete=43, > Source=/var/lib/pacemaker/pengine/pe-input-256.bz2): Complete Lsof/fuser show the PID of the process holding FS open as "kernel". -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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