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
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