Neil Brown <ne...@suse.de> writes:
> On Tue, 23 Feb 2010 07:27:00 +0100
> martin f krafft <madd...@madduck.net> wrote:
>> The only issue homehost protects against, I think, is machines that
>> use /dev/md0 directly from grub.conf or fstab.
>
> That is exactly correct. If no code or config file depends on a name like
> /dev/mdX or /dev/md/foo, then you don't need to be concerned about the whole
> homehost thing.
> You can either mount by fs-uuid, or mount e.g.
> /dev/disk/by-id/md-uuid-8fd0af3f:4fbb94ea:12cc2127:f9855db5
What if you have two raids (one local, one from the other hosts that
broke down) and both have LVM on it with /dev/vg/root?
Shouldn't it only assemble the local raid (as md0 or whatever) and then
only start the local volume group? If it assembles the remote raid as
/dev/md127 as well then lvm will have problems and the boot will likely
(even randomly) go wrong since only one VG can be activated.
I think it is pretty common for admins to configure LVM to the same
volume group name on different systems. So if you consider raids being
pluged into other systems please keep this in mind.
MfG
Goswin
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