[systemd-devel] [PATCH] 60-persistent-storage.rules: ignore partitions with ID_FS_TYPE of parent

[Andrei Borzenkov]

В Thu, 04 Dec 2014 18:24:11 +0100
Harald Hoyer <harald at redhat.com> пишет:

> On 04.12.2014 18:19, Andrei Borzenkov wrote:
> > В Thu, 04 Dec 2014 15:14:00 +0100
> > Harald Hoyer <harald at redhat.com> пишет:
> > 
> >> On 04.12.2014 15:10, Zbigniew Jędrzejewski-Szmek wrote:
> >>> On Thu, Dec 04, 2014 at 12:57:36PM +0100, harald at redhat.com wrote:
> >>>> From: Harald Hoyer <harald at redhat.com>
> >>>>
> >>>> If ID_FS_TYPE of a parent is already set,
> >>>> then it's something like "linux_raid_member" or "mpath_member"
> >>>> and the disk is already in use, so don't handle the partitions
> >>> Is this trying to fix an existing problem?
> >>
> >> yes, for "mpath_member" disk partitions, we should never ever advertise the
> >> /dev/disk/by* symlinks or set SYSTEMD_READY for it.
> > 
> > How is it going to work? I mean, first we get device, then it is
> > processed by multipathd. At the time rules are processed by udev, we
> > have no idea whether it will be added to mpath later.
> 
> For the disk, we should/must the flag set immediately in 62-multipath.rules.
> 

OK it is 56-multipath.rules here and it is actually sets ID_FS_TYPE to
"none", but the effect should be the same. I do not see this rule in
multipath-tools ... should not it be unified across distros?

> The partitions are processed later and IMPORT ID_FS_TYPE from the parent, just
> one line above my suggested rule.
>