Here is more info:
--------------
# /etc/init.d/raid2 start
Starting RAID devices: /dev/md0 /dev/md1 /dev/md2 /dev/md3
done.
# /etc/init.d/raid2 stop
Stopping RAID devices: /dev/md0 /dev/md1 /dev/md2 /dev/md3
done.
# /etc/init.d/raid2 start
Starting RAID devices: /dev/md0 /dev/md1 /dev/md2 /dev/md3
done.
# modprobe lvm-mod
# vgscan
vgscan -- reading all physical volumes (this may take a while...)
vgscan -- found inactive volume group "data"
vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created
vgscan -- WARNING: This program does not do a VGDA backup of your volume group
# vgchange -ay
vgchange -- volume group "data" successfully activated
# mount /dev/data/lvol1 /mnt
# df
Filesystem 1k-blocks Used Available Use%
Mounted on
/dev/data/lvol1 ******** 20 ******** 1% /mnt
# umount /mnt
# vgchange -an
vgchange -- volume group "data" successfully deactivated
# rmmod lvm-mod
# /etc/init.d/raid2 stop
Stopping RAID devices: /dev/md0 /dev/md1 /dev/md2: Device or resource busy
/dev/md3: Device or resource busy
done.
# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid5] [multipath]
read_ahead 1024 sectors
md3 : active raid0 hdl1[1] hdh1[0]
******** blocks 4k chunks
md2 : active linear hdk1[0]
******** blocks 4k rounding
unused devices: <none>
# /etc/init.d/raid2 stop
Stopping RAID devices: /dev/md2: Device or resource busy
/dev/md3: Device or resource busy
done.
--------------
Going to switch to lvm-1.0.4 and try.
On Thu, 30 May 2002 me@vger.org wrote:
> No worry linux-kernel, this seams to be a lvm problem.
>
> Hi linux-lvm,
>
> In short, I got 4 md devices (md0-4) that I make one device with using
> lvm. When I'm going to shutdown this device it seams that lvm locks md2-3.
>
> Booting linux without lvm there is no problem what so ever to start and
> stop the raid mds.
>
> Also as you read the futher down, the reason I could stop md3 was because
> I hadnt used lvm yet that time and hadnt made any VGs or LVs or mounted
> them. Also, the way i stop lvm is as described in the documents "umount,
> vgchange -an".
>
> Im using lvm-1.1rc-2, 2.4.19-pre9 and debian testing dist.
>
> Im going to try running lvm as module and unloading the module after
> stopping the lvm VGs and see if it still locks the mds.
>
> If you need more info, please send a mail.
>
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