Hello Maciej, 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/0.6.5.6-0ubuntu17 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 on 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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Packages, which is subscribed to zfs-linux in Ubuntu.
https://bugs.launchpad.net/bugs/1614789

Title:
  zfs.target should not require zfs-share.service

Status in zfs-linux package in Ubuntu:
  In Progress
Status in zfs-linux source package in Xenial:
  Fix Committed

Bug description:
  == SRU Xenial ==

  [Justification]

  Currently package zfsutils-linux contains systemd target file 
/lib/systemd/system/zfs.target that specifies following dependencies:
  Requires=zfs-mount.service
  Requires=zfs-share.service
  Wants=zed.service

  zfs-share.service is not essential in setups where file sharing is not
  used, or when it is configured without the use of the zfs utility. The
  user may therefore choose to mask this service. However, doing so has
  an unexpected and confusing effect, preventing zfs from starting on
  boot at all. This is because zfs.target is the only zfs-related unit
  that is wanted by multi-user.target, and if one of its required
  services is masked, zfs.target is skipped, together with zfs-
  mount.service. A solution is to replace "Requires=zfs-share.service"
  with "Wants=zfs-share.service".

  [Testcase]
  Steps to reproduce:
  systemctl mask zfs-share.service
  reboot

  Expected results:
  Module zfs is loaded
  zfs-mount.service is active and ZFS filesystems are mounted
  ZFS filesystems are not shared

  Observed results:
  Module zfs is not loaded
  ZFS filesystems are not mounted
  zpool status produces an error:
  "The ZFS modules are not loaded.
  Try running '/sbin/modprobe zfs' as root to load them."

  With the fix, the modules are loaded and zfs filesystems are mounted

  [Fix]
  A solution is to replace "Requires=zfs-share.service" with 
"Wants=zfs-share.service".

  [Regression Potential]
  Minimal, this affects the start up of a service that should be starting and 
currently isn't. Limited to just this specific scenario.

  ---------------------

  
  $ lsb_release -rd
  Description:    Ubuntu 16.04.1 LTS
  Release:        16.04

  $ apt-cache policy zfsutils-linux
  zfsutils-linux:
    Installed: 0.6.5.6-0ubuntu10

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