ReadyNAS Duo V2を、FlexRAID(JBOD)環境で使用していてそこにHDDを一本に
追加した結果どうなるかのmemoです。
結果はコマンド見るのが早いですね。/領域(/dev/md0)が自動的にRAID1で構成されました。
他の部分は別ボリュームとして、RAID構成なしの領域として割り当てられます。
root@ReadyNAS:~# mdconfig Device : /dev/md0 Create Time : 1462061945 Update Time : 1462454120 RAID Level : 1 RAID Capacity : 4193268 Disk Size : 4193268 Chunk Size : 0 Disks : 2 RAID Disks : 2 Active Disks : 2 Working Disks : 2 Failed Disks : 0 Spare Disks : 0 State : 1 [ Clean ]
Disk Device RAID Disk Maj/Min Sectors State --------------------------------------------------------------------------- 0 /dev/sda1 0 8/ 1 8388608 6 [ Active Sync ] 1 /dev/sdb1 1 8/17 8388608 6 [ Active Sync ]
Device : /dev/md1 Create Time : 1462061945 Update Time : 1462453259 RAID Level : 1 RAID Capacity : 524276 Disk Size : 524276 Chunk Size : 0 Disks : 2 RAID Disks : 2 Active Disks : 2 Working Disks : 2 Failed Disks : 0 Spare Disks : 0 State : 1 [ Clean ]
Disk Device RAID Disk Maj/Min Sectors State --------------------------------------------------------------------------- 0 /dev/sda2 0 8/ 2 1048576 6 [ Active Sync ] 1 /dev/sdb2 1 8/18 1048576 6 [ Active Sync ]
Device : /dev/md2 Create Time : 1462061945 Update Time : 1462061945 RAID Level : 0 RAID Capacity : 0 Disk Size : 0 Chunk Size : 65536 Disks : 1 RAID Disks : 1 Active Disks : 1 Working Disks : 1 Failed Disks : 0 Spare Disks : 0 State : 1 [ Clean ]
Disk Device RAID Disk Maj/Min Sectors State --------------------------------------------------------------------------- 0 /dev/sda3 0 8/ 3 3897587825 6 [ Active Sync ]
Device : /dev/md3 Create Time : 1462416580 Update Time : 1462416580 RAID Level : 0 RAID Capacity : 0 Disk Size : 0 Chunk Size : 16384 Disks : 1 RAID Disks : 1 Active Disks : 1 Working Disks : 1 Failed Disks : 0 Spare Disks : 0 State : 1 [ Clean ]
Disk Device RAID Disk Maj/Min Sectors State --------------------------------------------------------------------------- ioctl(BLKGETSIZE): File too large 0 /dev/sdb3 0 8/19 4294967295 6 [ Active Sync ]
