On 06/16/2014 09:27 PM, Rainer Fügenstein wrote:

phil,

PT> Look in /sys/block/md1/holders/

[root@gateway md1]# cd holders/
[root@gateway holders]# ls -lh
total 0
lrwxrwxrwx 1 root root 0 Jun 16 23:11 dm-0 -> ../../../block/dm-0
lrwxrwxrwx 1 root root 0 Jun 16 23:11 dm-1 -> ../../../block/dm-1
lrwxrwxrwx 1 root root 0 Jun 16 23:11 dm-2 -> ../../../block/dm-2
[root@gateway holders]#

not sure what that means?

It means that LVM is indeed using the scrambled array for those devices.
 Use "dmsetup ls" to identify them.

That also means my previous advice is wrong--you can't just shut it off.
 It would be helpful if you could run "lsdrv" [1] on your system and
report the results here.

Phil

[1] http://github.com/pturmel/lsdrv
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