This bug was fixed in the package zfs-linux - 0.8.4-1ubuntu10
---------------
zfs-linux (0.8.4-1ubuntu10) groovy; urgency=medium
* Fix volume wait on locked encrypted zvols (LP: #1888405)
[ James Dingwall ]
- 4620-zfs-vol-wait-fix-locked-encrypted-vols.patch
zfs-volume-wait.service systemd unit does not start if the encrypted
zvol is locked. The /sbin/zvol_wait should not wait for links when the
volume has property keystatus=unavailable. Add a check for this.
-- Colin Ian King <colin.k...@canonical.com> Wed, 22 Jul 2020 09:58:22
+0100
** Changed in: zfs-linux (Ubuntu Groovy)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1888405
Title:
zfsutils-linux: zfs-volume-wait.service fails with locked encrypted
zvols
Status in zfs-linux package in Ubuntu:
Fix Released
Status in zfs-linux source package in Focal:
In Progress
Status in zfs-linux source package in Groovy:
Fix Released
Bug description:
== SRU Justification Focal ==
When an encrypted zvol is locked the zfs-volume-wait service does not
start. The /sbin/zvol_wait should not wait for links when the volume
has property keystatus=unavailable.
== Fix ==
The attached patch in comment #1.
== Test ==
lock an encrypted zvol. without the fix the volume wait will block the
boot. with the fix it is not blocked.
== Regression Potential ==
Limited to zvol wait - this change affects just the encrypted vols
checking.
-------------------------------------
I was doing some experimentation with encrypted zvols and observed
that the zfs-volume-wait.service systemd unit does not start if the
encrypted zvol is locked. The /sbin/zvol_wait should not wait for
links when the volume has property keystatus=unavailable. The
attached patch seems to resolve the issue for me.
# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04 LTS
Release: 20.04
Codename: focal
# apt-cache policy zfsutils-linux
zfsutils-linux:
Installed: 0.8.3-1ubuntu12.1
Candidate: 0.8.3-1ubuntu12.2
Version table:
0.8.3-1ubuntu12.2 500
500 http://gb.archive.ubuntu.com/ubuntu focal-updates/main amd64
Packages
*** 0.8.3-1ubuntu12.1 100
100 /var/lib/dpkg/status
0.8.3-1ubuntu12 500
500 http://gb.archive.ubuntu.com/ubuntu focal/main amd64 Packages
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