[Bug 1185756] Re: drbd8-utils not compatible with linux-lts-raring kernel in 12.04

Rocco robert.lindgren at gmail.com
Thu Apr 24 09:30:53 UTC 2014 

My clusters are configured to use Linbit:drbd which is:
/usr/lib/ocf/resource.d/linbit/drbd

and that file is in drbd8-utils



On Thu, Apr 24, 2014 at 10:45 AM, Christoph Mitasch <
cmitasch at thomas-krenn.com> wrote:

> Hello,
>
> the Linux Cluster Management Console (LCMC) makes it quite easy to setup a
> DRBD/Pacemaker cluster.
> http://lcmc.sourceforge.net/
>
> Christoph
>
> ----- Ursprüngliche Mail -----
> > Von: "Stefan Bader" <stefan.bader at canonical.com>
> > An: cmitasch at thomas-krenn.com
> > Gesendet: Donnerstag, 24. April 2014 10:35:01
> > Betreff: [Bug 1185756] Re: drbd8-utils not compatible with
> linux-lts-raring kernel in 12.04
> >
> > @Andreas, that particular error is fixed by the test packages (see
> > comment #60). There could be one in conjunction with pacemaker which
> > reports an error about "drbdadm syncer" not being a valid command.
> > Unfortunately I don't think anyone who is running a pacemaker cluster
> > really can afford to help debugging as that causes disruptions.
> >
> > --
> > You received this bug notification because you are subscribed to the bug
> > report.
> > https://bugs.launchpad.net/bugs/1185756
> >
> > Title:
> >   drbd8-utils not compatible with linux-lts-raring kernel in 12.04
> >
> > Status in “drbd8” package in Ubuntu:
> >   Invalid
> > Status in “drbd8” source package in Precise:
> >   Fix Released
> >
> > Bug description:
> >   Request for SRU:
> >   [Impact]
> >   DRBD will not work (hang) on fresh install using Ubuntu 12.04.3 media,
> and
> >   will stop working on sites where the Raring Enablement Stacks is
> manually
> >   installed as the API between older and newer drbd kernel modules has
> >   changed.
> >
> >   [Fix]
> >   The current version of drbd8 utils in Saucy/Raring can be compiled with
> >   legacy utils enabled (basically drbdadm and drbdsetup) and
> automatically
> >   switches to use the legacy version when an older kernel module is
> found.
> >   Comparing the code of those two legacy tools showed them to be mostly
> the
> >   same (except some things that actually look like bug fixes).
> >   I only found two small issues, one was the init.d script which was
> changed
> >   to use a new command of drbdadm to activate resources. This would fail
> if
> >   drbdadm fell back to the legacy version. So I picked the shell function
> >   that the current util uses and verified that this still works with the
> new
> >   binary.
> >   The other problem was the default config file which contained a new
> open
> >   which would cause the legacy util to fail. It does not seem to be a
> >   required one in the new tools to commenting it out by default seems to
> >   work in both cases, too.
> >   Lastly (this did not seem to be a real issue) the legacy tools claimed
> to
> >   be a version 3.8.10 while the the code really looked like the 3.8.11
> >   version we have in Precise. Since that also matches the version number
> of
> >   the drbd module in Precise I modified the legacy tools version to be
> >   3.8.11.
> >
> >   [Test Case]
> >   For testing compatibility with the Precise 3.2 based kernels, either
> just
> >   install the prepared package and verify everything still works as
> before
> >   (before installing any HWE kernel). Or if already having installed a
> HWE
> >   kernel and experiencing the issue, boot into the 3.2 kernel before
> >   installing the proposed package (or follow the downgrade instructions
> >   before booting back).
> >
> >   To test functionality with HWE kernels, install the Raring kernel in
> >   Precise, install/configure DRBD: you get "No response from the DRBD
> >   driver! Is the module loaded?". With the proposed backport the mirror
> >   continues to work. Only for switching back to an older kernel a
> >   special procedure must be followed (see comment #21):
> >
> >   http://www.drbd.org/users-guide/s-downgrading-drbd84.html
> >
> >   ---
> >
> >   I've just installed linux-generic-lts-raring on 12.04.2 and my drbd
> device
> >   stoped working.
> >   Seems like drbd8-utils is not compatible with DRBD 8.4 in Kernel 3.8.
> >   I see that we can't upgrade the package since this would break
> >   compatibility with the older Kernels in Precise.
> >
> >   But since the new Plans for the LTS-Enablement Stack [1] there should
> >   be a package like drbd8-utils-lts-raring. And the dependancies should
> >   be resolved automatically with apt.
> >
> >   kind regards
> >
> >   [1] https://wiki.ubuntu.com/Kernel/LTSEnablementStack
> >
> >   ProblemType: Bug
> >   DistroRelease: Ubuntu 12.04
> >   Package: linux-image-3.8.0-22-generic 3.8.0-22.33~precise1
> >   ProcVersionSignature: Ubuntu 3.8.0-22.33~precise1-generic 3.8.11
> >   Uname: Linux 3.8.0-22-generic x86_64
> >   ApportVersion: 2.0.1-0ubuntu17.2
> >   Architecture: amd64
> >   Date: Thu May 30 11:53:13 2013
> >   InstallationMedia: Ubuntu-Server 12.04.1 LTS "Precise Pangolin" -
> Release
> >   amd64 (20120817.3)
> >   MarkForUpload: True
> >   SourcePackage: linux-lts-raring
> >   UpgradeStatus: No upgrade log present (probably fresh install)
> >
> > To manage notifications about this bug go to:
> >
> https://bugs.launchpad.net/ubuntu/+source/drbd8/+bug/1185756/+subscriptions
> >
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1185756
>
> Title:
>   drbd8-utils not compatible with linux-lts-raring kernel in 12.04
>
> Status in “drbd8” package in Ubuntu:
>   Invalid
> Status in “drbd8” source package in Precise:
>   Fix Released
>
> Bug description:
>   Request for SRU:
>   [Impact]
>   DRBD will not work (hang) on fresh install using Ubuntu 12.04.3 media,
> and will stop working on sites where the Raring Enablement Stacks is
> manually installed as the API between older and newer drbd kernel modules
> has changed.
>
>   [Fix]
>   The current version of drbd8 utils in Saucy/Raring can be compiled with
> legacy utils enabled (basically drbdadm and drbdsetup) and automatically
> switches to use the legacy version when an older kernel module is found.
> Comparing the code of those two legacy tools showed them to be mostly the
> same (except some things that actually look like bug fixes).
>   I only found two small issues, one was the init.d script which was
> changed to use a new command of drbdadm to activate resources. This would
> fail if drbdadm fell back to the legacy version. So I picked the shell
> function that the current util uses and verified that this still works with
> the new binary.
>   The other problem was the default config file which contained a new open
> which would cause the legacy util to fail. It does not seem to be a
> required one in the new tools to commenting it out by default seems to work
> in both cases, too.
>   Lastly (this did not seem to be a real issue) the legacy tools claimed
> to be a version 3.8.10 while the the code really looked like the 3.8.11
> version we have in Precise. Since that also matches the version number of
> the drbd module in Precise I modified the legacy tools version to be 3.8.11.
>
>   [Test Case]
>   For testing compatibility with the Precise 3.2 based kernels, either
> just install the prepared package and verify everything still works as
> before (before installing any HWE kernel). Or if already having installed a
> HWE kernel and experiencing the issue, boot into the 3.2 kernel before
> installing the proposed package (or follow the downgrade instructions
> before booting back).
>
>   To test functionality with HWE kernels, install the Raring kernel in
>   Precise, install/configure DRBD: you get "No response from the DRBD
>   driver! Is the module loaded?". With the proposed backport the mirror
>   continues to work. Only for switching back to an older kernel a
>   special procedure must be followed (see comment #21):
>
>   http://www.drbd.org/users-guide/s-downgrading-drbd84.html
>
>   ---
>
>   I've just installed linux-generic-lts-raring on 12.04.2 and my drbd
> device stoped working.
>   Seems like drbd8-utils is not compatible with DRBD 8.4 in Kernel 3.8.
>   I see that we can't upgrade the package since this would break
> compatibility with the older Kernels in Precise.
>
>   But since the new Plans for the LTS-Enablement Stack [1] there should
>   be a package like drbd8-utils-lts-raring. And the dependancies should
>   be resolved automatically with apt.
>
>   kind regards
>
>   [1] https://wiki.ubuntu.com/Kernel/LTSEnablementStack
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 12.04
>   Package: linux-image-3.8.0-22-generic 3.8.0-22.33~precise1
>   ProcVersionSignature: Ubuntu 3.8.0-22.33~precise1-generic 3.8.11
>   Uname: Linux 3.8.0-22-generic x86_64
>   ApportVersion: 2.0.1-0ubuntu17.2
>   Architecture: amd64
>   Date: Thu May 30 11:53:13 2013
>   InstallationMedia: Ubuntu-Server 12.04.1 LTS "Precise Pangolin" -
> Release amd64 (20120817.3)
>   MarkForUpload: True
>   SourcePackage: linux-lts-raring
>   UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/drbd8/+bug/1185756/+subscriptions
>

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Title:
  drbd8-utils not compatible with linux-lts-raring kernel in 12.04

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