[Bug 1607920] Re: zfs services fail on firstboot if zfs-utils is integrated into the deployment image
Andy Whitcroft
apw at canonical.com
Wed Oct 5 13:00:28 UTC 2016
Hello Dave, or anyone else affected,
Accepted zfs-linux into xenial-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/zfs-
linux/0.6.5.6-0ubuntu14 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Your feedback will aid us getting this update
out to other Ubuntu users.
If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed. In either case, details of your testing will help
us make a better decision.
Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance!
** Changed in: zfs-linux (Ubuntu Xenial)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1607920
Title:
zfs services fail on firstboot if zfs-utils is integrated into the
deployment image
Status in sysvinit package in Ubuntu:
Won't Fix
Status in zfs-linux package in Ubuntu:
Fix Released
Status in sysvinit source package in Xenial:
Won't Fix
Status in zfs-linux source package in Xenial:
Fix Committed
Bug description:
[Impact]
* zfs services fail on firstboot if zfs-utils is integrated into the
deployment image.
* Output from systemd -
sudo systemctl --failed
UNIT LOAD ACTIVE SUB DESCRIPTION
● zfs-import-scan.service loaded failed failed Import ZFS pools by device scanning
● zfs-mount.service loaded failed failed Mount ZFS filesystems
* This is particularly frustrating for users who use automated
monitoring as it means virtual machines must always be restarted
before showing as clean.
* This failure is due to zfs services starting up before /etc/mtab
has a chance to be symlinked to /proc/mounts.
[Test Case]
1. Grab a stock xenial image, and unpack it and add zfs-utils to it. Repack it.
2. Boot machine
3. Check systemctl --failed.
[Regression Potential]
* none expected, patch has been intensively tested by the upsteam zfs
test script suite.
* This is a upstream commit merge in 0.7.0.
* A ubuntu package has been tested (including the upstream commit) by
a user of the community facing this bug, and confirmed it addresses
the problem (see comment #7).
[Other Info]
* The "reading" is redirected to /proc/self/mounts.
The writing to /etc/mtab. Some distros still need that. The current hope is to replace the writing (and maybe reading) with libmount, in a second phase.
* Upstream commit : https://github.com/zfsonlinux/zfs/commit/792517389fad5c495a2738b61c2e9c65dedaaa9a
* Upstream bug: https://github.com/zfsonlinux/zfs/issues/4680
* Debian bug : https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=839071
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