Re: [PATCH 0/2] add support for launching mdmon via systemd

[NeilBrown <neilb@suse.de>]

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On Fri, 18 Jan 2013 09:43:10 +0100 Jes.Sorensen@redhat.com wrote:

> From: Jes Sorensen <Jes.Sorensen@redhat.com>
> 
> Hi,
> 
> It's been an ongoing issue for a while trying to figure out how to
> handle launching mdmon from the initrd in Fedora and avoid it getting
> killed by systemd due to it ending up in the wrong cgroup (udev).
> 
> We tried simply attaching mdmon to the cgroup of systemd but it didn't
> really work, and in the end it seems to be more in line with the
> systemd mentality to have systemd spawn it. With these patches and a
> few pending changes to dracut, I am finally able to boot and reboot
> systems with 1 or 2 IMSM arrays.
> 
> The patch for systemctl is implemented as a compile time option rather
> than a command line option, since I think it is something that the
> distro will decide. However we can make it a command line option if
> preferred.
> 
> I also have matching systemd .service files for this, which I am happy
> to contribute, but I am not sure if they are useful to other distros
> or not? We haven't had a history of including .service files with
> mdadm.

Thanks.
I'll have a proper look next week, however:
 - I would rather it was a run-time option, not compile time.
   I believe in giving choice to the admin.
 - I would like to include the .service files.  I don't know if we can get
   all distros to use the same one, but we certainly won't if we don't try.

NeilBrown

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