If you’re having issues with zfsonlinux and your pool not expanding after replacing your hard drives with larger ones then here is a trick to fix it. Continue reading
This will create a pool named “gpool” using RAIDZ (raid5) with member drives c8t1d0 c8t2d0 c8t3d0 c8t4d0 c8t5d0
Giovanni@server:~# zpool create gpool raidz c8t1d0 c8t2d0 c8t3d0 c8t4d0 c8t5d0
Giovanni@server:~# zpool status
pool: gpool
state: ONLINE
scrub: none requested
config:NAME STATE READ WRITE CKSUM
gpool ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c8t1d0 ONLINE 0 0 0
c8t2d0 ONLINE 0 0 0
c8t3d0 ONLINE 0 0 0
c8t4d0 ONLINE 0 0 0
c8t5d0 ONLINE 0 0 0errors: No known data errors
pool: rpool
state: ONLINE
scrub: none requested
config:NAME STATE READ WRITE CKSUM
rpool ONLINE 0 0 0
c8t0d0s0 ONLINE 0 0 0errors: No known data errors
Giovanni@server:~#
OK.
You will be able to view hardware ID’s for hard drives using ‘format’
Giovanni@server:~# format
Searching for disks…done
AVAILABLE DISK SELECTIONS:
0. c8t0d0 <DEFAULT cyl 60797 alt 2 hd 255 sec 252>
/pci@0,0/pci15d9,d380@1f,2/disk@0,0
1. c8t1d0 <ATA-Hitachi HDS72202-A3EA-1.82TB>
/pci@0,0/pci15d9,d380@1f,2/disk@1,0
2. c8t2d0 <ATA-Hitachi HDS72202-A28A-1.82TB>
/pci@0,0/pci15d9,d380@1f,2/disk@2,0
3. c8t3d0 <ATA-Hitachi HDS72202-A3EA-1.82TB>
/pci@0,0/pci15d9,d380@1f,2/disk@3,0
4. c8t4d0 <ATA-Hitachi HDS72202-A3EA-1.82TB>
/pci@0,0/pci15d9,d380@1f,2/disk@4,0
5. c8t5d0 <ATA-Hitachi HDS72202-A3EA-1.82TB>
/pci@0,0/pci15d9,d380@1f,2/disk@5,0
Specify disk (enter its number):
Hard drives are located on /dev/dsk in Opensolaris. Compare to the zpool status and add drives that are new to the system (not yet in any storage pools)
