rev138
l33t
Joined: 19 Jun 2003
Posts: 848
Location: Vermont, USA
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 Posted: Wed Sep 05, 2007 12:13 pm Post subject: Re-activating a software RAID disk? [SOLVED] |
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I have two SATA disks in a software RAID array using mdadm.
For various reasons, one disk has been unplugged for several months. I reconnected it this morning, and I expected the array to start syncing up, but instead I see this: | Code: | # cat /proc/mdstat
Personalities : [raid1]
md1 : active raid1 sdb1[1]
104320 blocks [2/1] [_U]
bitmap: 1/13 pages [4KB], 4KB chunk
md2 : active raid1 sdb2[1]
4891712 blocks [2/1] [_U]
bitmap: 11/150 pages [44KB], 16KB chunk
md3 : active raid1 sdb3[1]
307572352 blocks [2/1] [_U]
bitmap: 35/147 pages [140KB], 1024KB chunk
unused devices: <none> |
If I grep the syslog for "mdadm" I see a ton of these: | Code: | # grep mdadm /var/log/messages
Sep 5 08:06:36 burley mdadm: SpareActive event detected on md device /dev/md3
Sep 5 08:07:30 burley mdadm: SpareActive event detected on md device /dev/md3
Sep 5 08:07:30 burley mdadm: SpareActive event detected on md device /dev/md2
Sep 5 08:08:30 burley mdadm: SpareActive event detected on md device /dev/md3
Sep 5 08:08:30 burley mdadm: SpareActive event detected on md device /dev/md2
Sep 5 08:08:30 burley mdadm: SpareActive event detected on md device /dev/md1
Sep 5 08:09:30 burley mdadm: SpareActive event detected on md device /dev/md3
Sep 5 08:09:30 burley mdadm: SpareActive event detected on md device /dev/md2
Sep 5 08:09:30 burley mdadm: SpareActive event detected on md device /dev/md1
Sep 5 08:10:30 burley mdadm: SpareActive event detected on md device /dev/md3
Sep 5 08:11:30 burley mdadm: SpareActive event detected on md device /dev/md3 |
| Code: | # fdisk -l
Disk /dev/sda: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 fd Linux raid autodetect
/dev/sda2 14 622 4891792+ fd Linux raid autodetect
/dev/sda3 623 38913 307572457+ fd Linux raid autodetect
Disk /dev/sdb: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 13 104391 fd Linux raid autodetect
/dev/sdb2 14 622 4891792+ fd Linux raid autodetect
/dev/sdb3 623 38913 307572457+ fd Linux raid autodetect
Disk /dev/md3: 314.9 GB, 314954088448 bytes
2 heads, 4 sectors/track, 76893088 cylinders
Units = cylinders of 8 * 512 = 4096 bytes
Disk /dev/md3 doesn't contain a valid partition table
Disk /dev/md2: 5009 MB, 5009113088 bytes
2 heads, 4 sectors/track, 1222928 cylinders
Units = cylinders of 8 * 512 = 4096 bytes
Disk /dev/md2 doesn't contain a valid partition table
Disk /dev/md1: 106 MB, 106823680 bytes
2 heads, 4 sectors/track, 26080 cylinders
Units = cylinders of 8 * 512 = 4096 bytes
Disk /dev/md1 doesn't contain a valid partition table |
Any help would be appreciated.
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