I've had a raid1 array failure, it looks like it happened overnight during a resync. Normally I would try to sort it out on my own, but with SMART being disabled on both drives for some reason, I'm less confident. Please let me know what info you need, or steps I should take to get my array functioning again.
As per ryecoaaron and Degraded or missing raid array questions Here is my info:
Code
root@RoachHotel:~# cat /proc/mdstat
Personalities : [raid1]
md2 : active raid1 sdc[0] sdb[1]
4883639360 blocks super 1.2 [2/2] [UU]
[===================>.] check = 96.7% (4723518144/4883639360) finish=25.8min speed=103240K/sec
md1 : active raid1 sdd[0] sde[1]
1953383360 blocks super 1.2 [2/2] [UU]
md0 : active raid1 sdf[0] sdg[1](F)
2930135360 blocks super 1.2 [2/1] [U_]
unused devices: <none>
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root@RoachHotel:~# blkid
/dev/sda1: UUID="5a75f3af-251a-43c2-b1c6-d8bfb62b53ce" TYPE="ext4"
/dev/sde: UUID="e371445a-e72e-2298-0b4d-f961a7f3b799" UUID_SUB="0c838662-4d40-287a-b137-28a93821195e" LABEL="RoachHotel:Volume2" TYPE="linux_raid_member"
/dev/sdd: UUID="e371445a-e72e-2298-0b4d-f961a7f3b799" UUID_SUB="5b137bcd-d7fd-0a2f-1aab-3dd3c712d87b" LABEL="RoachHotel:Volume2" TYPE="linux_raid_member"
/dev/sdb: UUID="81aa4e20-7495-6f6b-39df-90c3236e8a53" UUID_SUB="e3fd4806-9ec2-f1cf-5c67-0539feec47f5" LABEL="RoachHotel:Volume3" TYPE="linux_raid_member"
/dev/md1: LABEL="Volume2" UUID="c806cd00-887e-4f26-a629-250a06182018" TYPE="ext4"
/dev/md2: LABEL="Volume3" UUID="cc3b5002-20d9-44bf-a583-e76fcbeb8bdd" TYPE="ext4"
/dev/sdc: UUID="81aa4e20-7495-6f6b-39df-90c3236e8a53" UUID_SUB="de60ab9e-0ce8-e732-9008-eada17f76806" LABEL="RoachHotel:Volume3" TYPE="linux_raid_member"
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root@RoachHotel:~# fdisk -l | grep "Disk "
Disk /dev/sdb doesn't contain a valid partition table
Disk /dev/sdc doesn't contain a valid partition table
Disk /dev/sdd doesn't contain a valid partition table
Disk /dev/sde doesn't contain a valid partition table
Disk /dev/md1 doesn't contain a valid partition table
Disk /dev/md2 doesn't contain a valid partition table
Disk /dev/sda: 32.0 GB, 32017047552 bytes
Disk identifier: 0x000753d0
Disk /dev/sdb: 5001.0 GB, 5000981078016 bytes
Disk identifier: 0x00000000
Disk /dev/sdc: 5001.0 GB, 5000981078016 bytes
Disk identifier: 0x00000000
Disk /dev/sdd: 2000.4 GB, 2000398934016 bytes
Disk identifier: 0x00000000
Disk /dev/sde: 2000.4 GB, 2000398934016 bytes
Disk identifier: 0x00000000
Disk /dev/md1: 2000.3 GB, 2000264560640 bytes
Disk identifier: 0x00000000
Disk /dev/md2: 5000.8 GB, 5000846704640 bytes
Disk identifier: 0x00000000
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root@RoachHotel:~# cat /etc/mdadm/mdadm.conf
# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#
# by default, scan all partitions (/proc/partitions) for MD superblocks.
# alternatively, specify devices to scan, using wildcards if desired.
# Note, if no DEVICE line is present, then "DEVICE partitions" is assumed.
# To avoid the auto-assembly of RAID devices a pattern that CAN'T match is
# used if no RAID devices are configured.
DEVICE partitions
# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes
# automatically tag new arrays as belonging to the local system
HOMEHOST <system>
# definitions of existing MD arrays
ARRAY /dev/md0 metadata=1.2 name=RoachHotel:Volume1 UUID=734cfdf1:3652f210:cf4a6e9b:f35a4fe0
ARRAY /dev/md1 metadata=1.2 name=RoachHotel:Volume2 UUID=e371445a:e72e2298:0b4df961:a7f3b799
ARRAY /dev/md2 metadata=1.2 name=RoachHotel:Volume3 UUID=81aa4e20:74956f6b:39df90c3:236e8a53
# instruct the monitoring daemon where to send mail alerts
MAILADDR coldshouldermedia@yahoo.com
MAILFROM root
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root@RoachHotel:~# mdadm --detail --scan --verbose
ARRAY /dev/md0 level=raid1 num-devices=2 metadata=1.2
devices=/dev/sdf,/dev/sdg
ARRAY /dev/md1 level=raid1 num-devices=2 metadata=1.2 name=RoachHotel:Volume2 UUID=e371445a:e72e2298:0b4df961:a7f3b799
devices=/dev/sdd,/dev/sde
ARRAY /dev/md2 level=raid1 num-devices=2 metadata=1.2 name=RoachHotel:Volume3 UUID=81aa4e20:74956f6b:39df90c3:236e8a53
devices=/dev/sdc,/dev/sdb