[Jason Lin]
> After my raid-1 is up and running I shutdown the
> machine and took out one hard disk.(the one without
> Linux installed.) Just to see how it behaves.
> During reboot it drops to single user mode due to RAID
> device error.
>
> "raidstart /dev/md0"
raidstart? eww :)
> modprobe: can't locate module block-major-22
> /dev/md0: invalid argument
Since the first drive (raid-disk 0) is gone, AFAIK you have to
get autostart working by doing partition type fd for hd[ac]7 and
enabling autostart in the kernel block device section.
The raidstart approach (as per Ingo's post of maybe a week ago)
will fail if the first disk is unavailable. Thankfully, there's
not much reason to avoid autostart these days.
> raiddev /dev/md0
> raid-level 1
> nr-raid-disks 2
> nr-spare-disks 0
> chunk-size 4
> persistent-superblock 1
>
> device /dev/hdc7
> raid-disk 0
>
> device /dev/hda7
> raid-disk 1
>
>
> raiddev /dev/md1
> raid-level 1
> nr-raid-disks 2
> nr-spare-disks 0
> chunk-size 4
> persistent-superblock 1
/dev/md1 with no disks defined? Guess it doesn't matter since the
operations are being doing on md0, but it's strange to see the extra
(apparently useless?) stanza there.
James