ZFS Troubleshooting

Posted on by vhristev

Simple ZFS Troubleshooting

This is my MAC OS X 10.6.x with zfs support

You can download,install and configure from here check the wiki it is really very simple.

ZFS for MAC OS X

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[16:04]vhristev@g1r5:~$zpool status
pool: disk
state: ONLINE
scrub: scrub completed with 0 errors on Wed Oct 13 16:17:15 2010
config:
 
NAME        STATE     READ WRITE CKSUM
disk        ONLINE       0     0     0
disk0s2   ONLINE       0     0     0
 
errors: No known data errors
 
[16:04]vhristev@g1r5:~$zpool list
NAME                    SIZE    USED   AVAIL    CAP  HEALTH     ALTROOT
disk                     74G    193M   73.8G     0%  ONLINE     -

As you see our ZFS pool “disk” is not mounted.

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[16:04]vhristev@g1r5:~$df -h
Filesystem                                Size   Used  Avail Capacity  Mounted on
/dev/disk2s2                             698Gi  566Gi  133Gi    82%    /
devfs                                    114Ki  114Ki    0Bi   100%    /dev
map -hosts                                 0Bi    0Bi    0Bi   100%    /net
map auto_home                              0Bi    0Bi    0Bi   100%    /home
/dev/disk3s2                             557Mi  557Mi    0Bi   100%    /Volumes/Brood War CD
afp_3DVtaj0dZU5503RvqU2M9qiE-1.2e000004  233Gi  214Gi   19Gi    92%    /Volumes/Desktop

If your disk is not mounted you can’t know which is it.Now lets see which disk is with ZFS.

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[16:04]vhristev@g1r5:~$diskutil list
/dev/disk0
#:                       TYPE NAME                    SIZE       IDENTIFIER
0:      GUID_partition_scheme                        *80.0 GB    disk0
1:                        EFI                         209.7 MB   disk0s1
2:                        ZFS disk                    79.7 GB    disk0s2
/dev/disk1
#:                       TYPE NAME                    SIZE       IDENTIFIER
0:      GUID_partition_scheme                        *500.1 GB   disk1
1:                        EFI                         209.7 MB   disk1s1
2:                  Apple_HFS TimeMachine             499.8 GB   disk1s2
/dev/disk2
#:                       TYPE NAME                    SIZE       IDENTIFIER
0:      GUID_partition_scheme                        *750.2 GB   disk2
1:                        EFI                         209.7 MB   disk2s1
2:                  Apple_HFS SnowLeopard             749.8 GB   disk2s2
/dev/disk3
#:                       TYPE NAME                    SIZE       IDENTIFIER
0:     Apple_partition_scheme                        *650.5 MB   disk3
1:        Apple_partition_map                         1.0 KB     disk3s1
2:                  Apple_HFS Brood War CD            583.7 MB   disk3s2

Now lets mount our zfs pool.

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[16:04]vhristev@g1r5:~$zfs mount disk
[16:04]vhristev@g1r5:~$df -h
Filesystem                                Size   Used  Avail Capacity  Mounted on
/dev/disk2s2                             698Gi  566Gi  133Gi    82%    /
devfs                                    114Ki  114Ki    0Bi   100%    /dev
map -hosts                                 0Bi    0Bi    0Bi   100%    /net
map auto_home                              0Bi    0Bi    0Bi   100%    /home
/dev/disk3s2                             557Mi  557Mi    0Bi   100%    /Volumes/Brood War CD
afp_3DVtaj0dZU5503RvqU2M9qiE-1.2e000004  233Gi  214Gi   19Gi    92%    /Volumes/Desktop
disk                                      73Gi  193Mi   73Gi     1%    /Volumes/disk

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