Raid 11 : how to stop @ how to release devices

Posted by santhosha on Server Fault See other posts from Server Fault or by santhosha
Published on 2011-02-21T05:30:56Z Indexed on 2011/02/21 7:26 UTC
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#cat /proc/mdstat
md7 : active raid10 sdh1[2]
      286743936 blocks 64K chunks 2 near-copies [4/1] [__U_] [0:0:3:0]

#mdadm -f /dev/md7 /dev/sdh1
mdadm: set /dev/sdh1 faulty in /dev/md7

#mdadm -r /dev/md7 /dev/sdh1
mdadm: hot remove failed for /dev/sdh1: Device or resource busy

# umount /dev/md7
umount: /dev/md7: not mounted

#mdadm --stop /dev/md7
mdadm: fail to stop array /dev/md7: Device or resource busy


#cat /proc/mdstat
md7 : active raid10 sdh1[2]
      286743936 blocks 64K chunks 2 near-copies [4/1] [__U_] [0:0:3:0]

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