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suresh_iyengar
21st April 2008, 01:19 PM
Hello,

I have FC6 in my server. I configured raid using

mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sdb1 /dev/sdd1

$ cat /etc/mdadm.conf
DEVICE partitions
MAILADDR root
ARRAY /dev/md0 level=raid1 num-devices=2 UUID=fb25ff97:d727b0d9:36661163:d88f0981

mdadm -D /dev/md0
Number Major Minor RaidDevice State
0 8 17 0 active sync /dev/sdb1
1 0 0 1 active sync /dev/sdd1

But after reboot, this becomes

Number Major Minor RaidDevice State
0 8 17 0 active sync /dev/sdb1
1 0 0 1 removed

I tried mdadm /dev/md0 --add /dev/sdd1 and it worked. But after reboot same thing happens; one disk is not part of array. Please help me out.

Thanks and regards,
Suresh