[arch-releng] Playing with unionfs-fuse

Gerardo Exequiel Pozzi vmlinuz386 at yahoo.com.ar
Mon Jan 17 23:44:46 EST 2011

On 01/18/2011 12:18 AM, Gerardo Exequiel Pozzi wrote:
> On 01/17/2011 07:18 PM, Thomas Bächler wrote:
>> Am 17.01.2011 20:40, schrieb Tobias Powalowski:
>>> Hi guys,
>>> i'm getting tired of building aufs2 into the standard kernel,
>>> there are no stable snapshots, everytime you need grab patches and 
>>> at the
>>> moment the utils don't even build without any real reason.
>>> Can we ditch aufs2 support?
>>> Does archiso really need this filesystem?
>>> Thanks for clarification, i would be happy if we can remove this.
>> We need a unioning file system. But I don't we think we actually need
>> the utils. As far as I know, aufs is the most feature-complete and
>> stable unioning file system. We could maintain an extra kernel only for
>> the live CD if that is easier.
> I am currently playing with unionfs-fuse and archiso, so no need for 
> extra modules.
> Two issues:
> 1) There is no "append" feature like with aufs, so all branchs should 
> be mounted in one step.
> 2) Since is an userspace solution and there is no support for 
> "omit_pid" [#1] in initscripts at the time, shutdown and reboot fails.
> Notes:
> 1) I never used it so I do not know how stable is.
> 2) No patches at this moment I just experimenting from ramfs# command 
> line.
> [#1] https://bugs.archlinux.org/task/10536
> PS: I am back from vacation :)
Patch done at [#1] needs unionfs-fuse from AUR installed on build 
enviroment. To test add "fuse=y" on syslinux/kernel command line 
otherwise will use aufs.

[#1] https://gist.github.com/783995

Gerardo Exequiel Pozzi
\cos^2\alpha + \sin^2\alpha = 1

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