Public bug reported:
I've just upgraded from 10.11 to 11.04
I have the following mdadm.conf(worked like a charm for 10.11):
DEVICE partitions
CREATE owner=root group=disk mode=0660 auto=yes
HOMEHOST <system>
MAILADDR root
ARRAY /dev/md0 level=raid1 num-devices=2
UUID=78bab575:75f15162:d7535677:b830ce1f
After upgrade i have the following mdstat:
$ cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4]
[raid10]
md0 : inactive md127p1[0](S)
488383936 blocks
md127 : active (auto-read-only) raid1 sdc[1] sdb[0]
488386496 blocks [2/2] [UU]
resync=PENDING
unused devices: <none>
Two get my raid1 up and running i have to do the following:
$sudo mdadm --stop /dev/md0
$sudo mdadm --stop /dev/md127
$sudo mdadm --assemble /dev/md0 /dev/sdb1 /dev/sdc1
$sudo mount /dev/md0 /mnt/raid
cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4]
[raid10]
md0 : active raid1 sdb1[0] sdc1[1]
488383936 blocks [2/2] [UU]
unused devices: <none>
$ sudo mdadm --detail --scan --verbose
ARRAY /dev/md0 level=raid1 num-devices=2 metadata=0.90
UUID=78bab575:75f15162:d7535677:b830ce1f
devices=/dev/sdb1,/dev/sdc1
How can I get mdadm autodetection work as expected?
Best regards,
Dmitry
** Affects: mdadm (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/823499
Title:
mdadm failed to autocreate md /dev entries
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