[Bug 1607920] Re: zfs services fail on firstboot if zfs-utils is integrated into the deployment image

[Eric Desrochers]

@scotte,

After some verification, I found out that cking uploaded a patch on Sept
26 on Xenial for another zfs-linux bug[1] using version
"0.6.5.6-0ubuntu13", which interfere with my debdiff.

"pull-lp-source" and "rmadison" didn't shown the existence of "0.6.5.6-0ubuntu13".
I found it by looking in the upload queue : https://launchpad.net/ubuntu/xenial/+queue?queue_state=1

With that being said, I will need to wait for the current zfs-linux SRU
on Xenial to be completed and then I'll re-do the debdiff in order to
increment the version for this bug to accordingly "0.6.5.6-0ubuntu14".

The Xenial SRU might take a little bit more time than expected to land in stable (-update), but 
the devel release debdiff (Yakkety) is still fine.

I'll keep you posted.

[1] - https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1627909

Eric
Eric

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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
Status in sysvinit source package in Xenial:
  Won't Fix
Status in zfs-linux source package in Xenial:
  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]

   * 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]

   * 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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