Re: lock failure when creating raid on 2.6.0-test9

From: Wichert Akkerman
Date: Mon Nov 03 2003 - 10:50:17 EST

(cc'ing linux-kernel as well since I suspect another subsystem may be

I noticed something else in addition to the problem below: I also
can no longer mount /dev/hdc1 since mount tells me the device
is busy. It looks like something scans the various block devices during
boot and forgets to release something.


Previously Wichert Akkerman wrote:
> I am trying to setup RAID 1 array on two SCSI disks on a 2.6.0-test9
> kernel but I am hitting the following:
> vortex:~# mkraid /dev/md0
> handling MD device /dev/md0
> analyzing super-block
> disk 0: /dev/hda2, 35077927kB, raid superblock at 35077824kB
> disk 1: /dev/hdc2, 35077927kB, raid superblock at 35077824kB
> md: bind<hda2>
> md: could not lock hdc2.
> md: error, md_import_device() returned -16
> mkraid: aborted.
> (In addition to the above messages, see the syslog and /proc/mdstat as well
> for potential clues.)
> -16 is EBUSY, which is unepexted since nothing else is using that disk.
> At this stage /proc/mdstat contains:
> Personalities : [raid1]
> md0 : inactive hda2[0]
> 35077824 blocks
> unused devices: <none>

Wichert Akkerman <wichert@xxxxxxxxx> It is simple to make things. It is hard to make things simple.

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