This has been a bad couple of weeks for hard drives. Over the break, I had one hard drive die at home and three at work.
The warranty replacement for my hard drive at home came about five
minutes ago. I put the new drive in the enclosure and turned on power
to the drive (all of this with the computer running). I then did the
following:
[EMAIL PROTECTED] echo "scsi add-single-device 6 0 0 0" >/proc/scsi/scsi
[EMAIL PROTECTED] fdisk /dev/sde
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-36481, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-36481, default 36481):
Using default value 36481
Command (m for help): t
Selected partition 1
Hex code (type L to list codes): fd
Changed system type of partition 1 to fd (Linux raid autodetect)
Command (m for help): p
Disk /dev/sde: 300.0 GB, 300069052416 bytes
255 heads, 63 sectors/track, 36481 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sde1 1 36481 293033601 fd Linux raid autodetect
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[EMAIL PROTECTED] mdadm -a /dev/md0 /dev/sde1
mdadm: added /dev/sde1
[EMAIL PROTECTED] cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4] [raid1]
md127 : active raid1 sdc2[0] sdd2[1]
195350328 blocks super 1.2 [2/2] [UU]
md0 : active raid5 sde1[4] sdc1[1] sdb1[3] sdd1[2]
879100608 blocks level 5, 64k chunk, algorithm 2 [4/3] [_UUU]
[>....................] recovery = 3.0% (9014144/293033536)
finish=164.8min speed=28717K/sec
unused devices: <none>
[EMAIL PROTECTED]
Anyway, I thought that was very cool. It's the first time I've used
hot-swap since they added it to the kernel.
--
Andrew McNabb
http://www.mcnabbs.org/andrew/
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