Hello :)
The command "mdadm -Q /dev/md0" returns the following:
/dev/md0: 228.34GiB raid10 4 devices, 0 spares. Use mdadm --detail for
more detail.
/dev/md0: device 0 in 2 device undetected raid0 /dev/.tmp.md4. Use
mdadm --examine for more detail.
What is /dev/.tmp.md4 ?
If I delete it and rerun the command above, it gets created again.
Here is some additional info:
# mdadm -Q /dev/md1
/dev/md1: 95.88MiB raid1 4 devices, 0 spares. Use mdadm --detail for
more detail.
# mdadm -Q /dev/.tmp.md4
/dev/.tmp.md4: is an md device which is not active
# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid10]
md1 : active raid1 hdh1[3] hdg1[2] hdf1[1] hde1[0]
98176 blocks [4/4] [UUUU]
md0 : active raid10 hdh3[3] hdg3[2] hdf3[1] hde3[0]
239436160 blocks 64K chunks 2 near-copies [4/4] [UUUU]
unused devices: <none>
# mdadm --misc --examine /dev/md0
/dev/md0:
Magic : a92b4efc
Version : 00.90.00
UUID : a6f921c5:84cf1916:4981aad5:dd540810
Creation Time : Sun Oct 30 20:33:07 2005
Raid Level : raid0
Device Size : 0
Raid Devices : 2
Total Devices : 2
Preferred Minor : 4
Update Time : Sun Oct 30 20:33:07 2005
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Checksum : 82947d3c - correct
Events : 0.1
Chunk Size : 64K
Number Major Minor RaidDevice State
this 0 9 0 0 active sync /dev/md/0
0 0 9 0 0 active sync /dev/md/0
1 1 9 1 1 active sync /dev/md/1
Should I be concerned about that? :)
What does it mean anyways? And which device is undetected?
And why does "mdadm --misc --examine /dev/md0" prints "raid level:
raid0" even though it is a raid10?
I use mdadm-2.1, but have tried mdadm-2.2 as well.
Thanks in advance for any help.
Bye,
Mario.
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