Re: Zombie dm device?

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On 04/18/2017 03:50 AM, Phil Susi wrote:
After running the parted test suite I seem to have a zombie md device:

root@devserv:~# mdadm -D /dev/md99
/dev/md99:
         Version :
      Raid Level : raid0
   Total Devices : 0

           State : inactive

     Number   Major   Minor   RaidDevice


Why is this thing still hanging around, and how do you get rid of it?  I
tried mdadm --stop /dev/md99 but it didn't get rid of it.  I also can't
find any mdadm switch or a delete file or similar in the sysfs node.

can you find the /sys/block/md99/md/array_state? issue the
# echo clear > /sys/block/md99/md/array_state  to stop array.
The test suit is in improving progress, a few test cases cannot
work well currently. you can talk about your requirement, and
I would record it. more details, more appreciate. :-)

Thanks,
-Zhilong
root@devserv:~# uname -a
Linux devserv 4.4.0-72-generic #93-Ubuntu SMP Fri Mar 31 14:07:41 UTC
2017 x86_64 x86_64 x86_64 GNU/Linux
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