ZFS の raid-z pool に HDD を増設

opensolaris:~# format
Searching for disks...done

AVAILABLE DISK SELECTIONS:
       0. c8t0d0 <DEFAULT cyl 9723 alt 2 hd 255 sec 63>
          /pci@0,0/pci1458,2920@1f,2/disk@0,0
       1. c8t2d0 <ATA-SAMSUNG HD154UI-1113-1.36TB>
          /pci@0,0/pci1458,2920@1f,2/disk@2,0
       2. c8t3d0 <ATA-ST31500541AS-CC32-1.36TB>
          /pci@0,0/pci1458,2920@1f,2/disk@3,0
       3. c8t4d0 <DEFAULT cyl 60798 alt 2 hd 255 sec 252>
          /pci@0,0/pci1458,2920@1f,2/disk@4,0
       4. c8t5d0 <DEFAULT cyl 60798 alt 2 hd 255 sec 252>
          /pci@0,0/pci1458,2920@1f,2/disk@5,0
Specify disk (enter its number): ^C 

opensolaris:~# zpool add -n data raidz c8t4d0 c8t5d0
would update 'data' to the following configuration:
    data
      raidz1
        c8t2d0
        c8t3d0
      raidz1
        c8t4
        c8t5

opensolaris:~# zpool add data raidz c8t4d0 c8t5d0

opensolaris:~# zpool status data
  pool: data
state: ONLINE
scrub: none requested
config:

    NAME        STATE     READ WRITE CKSUM
    data        ONLINE       0     0     0
      raidz1-0  ONLINE       0     0     0
        c8t2d0  ONLINE       0     0     0
        c8t3d0  ONLINE       0     0     0
      raidz1-1  ONLINE       0     0     0
        c8t4d0  ONLINE       0     0     0
        c8t5d0  ONLINE       0     0     0

errors: No known data errors

 

ほんと、あっけないくらい簡単に増設できますね。(^^;

ZFS のバージョンが上がり dedup （重複排除）もできるようなのですが、大部分がユニークデータ、かつ、マシンが非力なので、このまま運用してみます。