[SRU] bcache-tools to trusty and precise

[Scott Moser]

[Impact]
bcache-tools is available in vivid, the tools work properly on trusty.
We should have this package in trusty so that we can use the kernel feature.

[Test Case]
On a precise machine install lts-trusty kernel. Setup a bcache partition using the tool.

[Regression Potential]
This is a new package.

[Robie Basak (racb)]

Not currently a priority for ~canonical-server, but if someone else wants to drive this then that's fine.

[Blake Rouse (blake-rouse)]

We need this in trusty to support deploying Trusty with MAAS using Bcache storage configuration. Please backport bcache-tools.

[Andres Rodriguez (andreserl)]

This should actually be a priority for canonical-server. The support for bcache comes as a priority across all parts of the company and this is part of the features that curtin will support for this cycle.

This was a decision made in Annecy at the mid-cycle sprint!

Thanks

[Ryan Harper (raharper)]

wily has bcache 1.0.8, there are no major changes to bcache itself [1] save fixes for working in systemd pre-boot environments, which for trusty won't matter; there are a number of package fixes[2] related to 1.0.8 intriduction of a bcache_register program introduced for systemd preboot support. I don't see any compelling reason to use 1.0.8 in trusty over what's already in vivid and tested (1.0.7);

1. % git log v1.0.7..v1.0.8
commit a73679b22c333763597d39c72112ef5a53f55419
Author: Gabriel <email address hidden>
Date: Thu Dec 4 23:44:23 2014 +0100

    bcache-register: use register, not register_quiet

    register_quiet doesn't report errors correctly, the following kernel
    patch needs to be applied: https://lkml.org/lkml/2013/8/26/549

    See http://thread.gmane.org/gmane.linux.kernel.bcache.devel/2594
    for how this comes up in practice.

    Reverts 8327108eeaf3e0491b17d803da164c0827aae622

commit 399021549984ad27bf4a13ae85e458833fe003d7
Author: Simon Gomizelj <email address hidden>
Date: Sat Jun 28 21:31:51 2014 -0400

    Replace bcache-register with c, use builtin kmod

    In a pure systemd pre-boot environment, register-bcache can't be shell
    code as there is no shell available. Switch to loading the module with
    udev's builtin kmod support and introduce a small binary for registering
    devices.

    Gabriel: Changed errors to be verbose

2. https://code.launchpad.net/~ubuntu-branches/ubuntu/wily/bcache-tools/wily-proposed

5. By David Mohr <email address hidden> on 2015-06-11
Only run update-initramfs if installed. Fix dracut. (Closes: #788442)

4. By David Mohr <email address hidden> on 2015-05-26
[ James Page ]
* d/control: Add Vcs fields.

[ David Mohr ]
* Don't depend on initramfs-tools, instead recommend it (Closes: #775674)
* New upstream release 1.0.8
* Update changelog
* Add patch to clean bcache-register
* Update changelog
* Adding dep3 headers to the 0001 patch
* Update watch to use http://evilpiepirate.org/git/bcache-tools.git
* Add patch for gcc-5 compatability.
  Thanks to James Cowgill (Closes: #777798)

[Blake Rouse (blake-rouse)]

Now that this is in trusty we also need this in Precise. Without this MAAS will not be able to deploy Precise at all, because of curtin needing bcache-tools.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[LaMont Jones (lamont)]

bcache-tools_1.0.7-1~12.04.1 (in my ppa) has been tested and is known to work. I'll be uploading that to precise-proposed shortly.

lamont

[Chris J Arges (arges)]

Hello Scott, or anyone else affected,

Accepted bcache-tools into precise-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/bcache-tools/1.0.7-1~12.04.1 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!

[LaMont Jones (lamont)]

Version 1.0.7-1~12.04.1 works on precise, with the needed (hwe-t) kernel.

[Launchpad Janitor (janitor)]

This bug was fixed in the package bcache-tools - 1.0.7-1~12.04.1

---------------
bcache-tools (1.0.7-1~12.04.1) precise; urgency=medium

  * Backport to Precise (LP: #1449099)

 -- LaMont Jones <email address hidden> Mon, 09 Nov 2015 14:09:34 -0700

[Brian Murray (brian-murray)]

The verification of the Stable Release Update for bcache-tools has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[Scott Moser (smoser)]

curtin at revno 333 or better has support for bcache on 12.04.

[Scott Moser (smoser)]

This bug is believed to be fixed in curtin in 17.1. If this is still a problem for you, please make a comment and set the state back to New

Thank you.