2003-11-03 15:48:50

by Wichert Akkerman

[permalink] [raw]
Subject: Re: lock failure when creating raid on 2.6.0-test9

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

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.

Wichert.

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 <[email protected]> It is simple to make things.
http://www.wiggy.net/ It is hard to make things simple.