RAID-Z2を使ってみたかった

RAID-Z2がどんなもんか見てみたかったので．

% iostat -E
(snip)
sd1       Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: ST2000DL Product: 003-9VT166       Revision:  Serial No:  
Size: 2000.40GB <2000398934016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 172 Predictive Failure Analysis: 0 
sd2       Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SAMSUNG  Product: HD204UI          Revision:  Serial No:  
Size: 2000.40GB <2000398934016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 216 Predictive Failure Analysis: 0 
sd3       Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: WDC WD20 Product: EARX-00PASB0     Revision:  Serial No:  
Size: 2000.40GB <2000398934016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 216 Predictive Failure Analysis: 0 
sd4       Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: Hitachi  Product: HDS5C3020ALA632  Revision:  Serial No:  
Size: 2000.40GB <2000398934016 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 216 Predictive Failure Analysis: 0 
(snip)

% pfexec /usr/sbin/zpool create pool01 raidz2 c3t0d{0,1,2,3}
% /usr/sbin/zpool status
(snip)
  pool: pool01
 state: ONLINE
 scan: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        pool01      ONLINE       0     0     0
          raidz2-0  ONLINE       0     0     0
            c3t0d0  ONLINE       0     0     0
            c3t0d1  ONLINE       0     0     0
            c3t0d2  ONLINE       0     0     0
            c3t0d3  ONLINE       0     0     0

errors: No known data errors
(snip)

% pfexec /usr/sbin/zfs create pool01/export
% /usr/sbin/zfs list pool01{,/export}
NAME            USED  AVAIL  REFER  MOUNTPOINT
pool01          199K  3.55T  46.3K  /pool01
pool01/export  44.8K  3.55T  44.8K  /pool01/export

% pfexec /usr/sbin/zfs get sharenfs pool01/export
% /usr/sbin/share
-@pool01/expor  /pool01/export   rw   ""

すごく楽．次はiSCSIでもして遊んでみる．