Public bug reported:
1.) lsb_release -rd
Description: Ubuntu 17.10
Release: 17.10
2.) apt-cache policy zfsutils-linux
zfsutils-linux:
Installed: 0.6.5.11-1ubuntu3
Candidate: 0.6.5.11-1ubuntu3
Version table:
*** 0.6.5.11-1ubuntu3 500
3.) modinfo zfs |head
filename: /lib/modules/4.13.0-17-generic/kernel/zfs/zfs/zfs.ko
version: 0.6.5.11-1ubuntu3
I use the /dev/zvol/tank/zvolpathshere blockdevices as hdd for vms(for
qemu 2.10.1 machines). I check to see if the qemu process terminates, it
does. I check with lsof to see if there are any handles open to my zvol
paths, there aren't any. The zvols do not have any snapshots. The zvols
are not mounted with mount because i checked
But when i enter:
- zfs destroy tank/clones/os/hdd_X it says "dataset is busy"
- zfs export tank it says "umount failed"
All i can do is:
- zfs rename tank/clones/os/hdd_x tank/trash/hdd_X_bad
The only way to delete those zvols is after the server reboots, my very
last option..
** Affects: zfs-linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1733802
Title:
zfs destroy, dataset is busy; zpool export tank, umount failed
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