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LinuxソフトウェアRAID mdadm使用方法

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less /proc/mdstat

1) [UUUUU_U]のように,_が表示される.
2) md0:を構成しているパーティションの一つが(F)になる.

Personalities : [raid6] [raid5] [raid4]
md0 : active raid6 sdf1[4] sdc1[1] sdd1[2] sdg1[5](F) sdh1[6] sde1[3] sdb1[0]
14650667520 blocks super 1.2 level 6, 512k chunk, algorithm 2 [7/6] [UUUUU_U]


0) RAIDをアンマウントする.
1) 故障したパーティションを指定する.

madadm --manage [RAID名] --fail [故障したパーティション名]


2) 故障したパーティションを取り除く.

madadm --manage [RAID名] --remove [取り外すパーティション名]

3) 実際にHDDを取り新しくつける.


1) partedでパーティションを切る.
2) mdadm [RAID名] -a [パーティション名]
3) マウント

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