[Bug 1607920] Re: zfs services fail on firstboot if zfs-utils is integrated into the deployment image
Richard Laager
rlaager at wiktel.com
Mon Sep 26 20:22:31 UTC 2016
The fix was merged upstream here:
https://github.com/zfsonlinux/zfs/commit/792517389fad5c495a2738b61c2e9c65dedaaa9a
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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:
In Progress
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]
*
[Other Info]
* This can likely be resolved in the systemd init scripts, by modifying zfs-linux to depend on /proc/mounts instead, or inclusion of /lib/init/mount-functions.sh in initscripts (sysvinit).
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