Gestion de un software raid con mdadm
Operaciones básicas con el raid
Ver el estado de los raids en el sistema:
$ cat /proc/mdstat
Y la salida:
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid1 sdb1[1] sda1[0]
77899072 blocks [2/2] [UU]
unused devices: <none>
Ver el estado detallado del raid
$ mdadm --detail /dev/md0
Y la salida:
/dev/md0:
Version : 00.90
Creation Time : Thu Aug 27 19:31:04 2009
Raid Level : raid1
Array Size : 77899072 (74.29 GiB 79.77 GB)
Used Dev Size : 77899072 (74.29 GiB 79.77 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Sat Aug 29 12:56:42 2009
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
UUID : 64cf4469:a5bc42ac:095b3551:8fa3a5e9 (local to host ushuaia.patagonia.es)
Events : 0.23332
Number Major Minor RaidDevice State
0 8 1 0 active sync /dev/sda1
1 8 17 1 active sync /dev/sdb1
page revision: 3, last edited: 29 Aug 2009 10:59