- Find the 2 physical disk that the OS is living on, this can be done with the metastat command.
Sample output:
Device Relocation Information:
Device Reloc Device ID
c5t4d0 Yes id1,sd@SATA_____HITACHI_HDS7250S______KRVN67ZBGWT6WH
c5t0d0 Yes id1,sd@SATA_____HITACHI_HDS7250S______KRVN67ZBGX647H
In this example c5t4d0 and c5t0d0 are being used as the OS disks, DO NOT include this in the zpool.
- Use the cfgadm command to get a list of all disks; remembering to exculde to two(2) the OS is living on.
Here is a list, as an example:
sata0/0::dsk/c0t0d0 disk connected configured ok
sata0/1::dsk/c0t1d0 disk connected configured ok
sata0/2::dsk/c0t2d0 disk connected configured ok
sata0/3::dsk/c0t3d0 disk connected configured ok
sata0/4::dsk/c0t4d0 disk connected configured ok
sata0/5::dsk/c0t5d0 disk connected configured ok
sata0/6::dsk/c0t6d0 disk connected configured ok
sata0/7::dsk/c0t7d0 disk connected configured ok
sata1/0::dsk/c1t0d0 disk connected configured ok
sata1/1::dsk/c1t1d0 disk connected configured ok
sata1/2::dsk/c1t2d0 disk connected configured ok
sata1/3::dsk/c1t3d0 disk connected configured ok
sata1/4::dsk/c1t4d0 disk connected configured ok
sata1/5::dsk/c1t5d0 disk connected configured ok
sata1/6::dsk/c1t6d0 disk connected configured ok
sata1/7::dsk/c1t7d0 disk connected configured ok
sata2/0::dsk/c4t0d0 disk connected configured ok
sata2/1::dsk/c4t1d0 disk connected configured ok
sata2/2::dsk/c4t2d0 disk connected configured ok
sata2/3::dsk/c4t3d0 disk connected configured ok
sata2/4::dsk/c4t4d0 disk connected configured ok
sata2/5::dsk/c4t5d0 disk connected configured ok
sata2/6::dsk/c4t6d0 disk connected configured ok
sata2/7::dsk/c4t7d0 disk connected configured ok
*sata3/0::dsk/c5t0d0 disk connected configured ok -- OS Disk
sata3/1::dsk/c5t1d0 disk connected configured ok
sata3/2::dsk/c5t2d0 disk connected configured ok
sata3/3::dsk/c5t3d0 disk connected configured ok
*sata3/4::dsk/c5t4d0 disk connected configured ok -- OS Disk
sata3/5::dsk/c5t5d0 disk connected configured ok
sata3/6::dsk/c5t6d0 disk connected configured ok
sata3/7::dsk/c5t7d0 disk connected configured ok
sata4/0::dsk/c6t0d0 disk connected configured ok
sata4/1::dsk/c6t1d0 disk connected configured ok
sata4/2::dsk/c6t2d0 disk connected configured ok
sata4/3::dsk/c6t3d0 disk connected configured ok
sata4/4::dsk/c6t4d0 disk connected configured ok
sata4/5::dsk/c6t5d0 disk connected configured ok
sata4/6::dsk/c6t6d0 disk connected configured ok
sata4/7::dsk/c6t7d0 disk connected configured ok
sata5/0::dsk/c7t0d0 disk connected configured ok
sata5/1::dsk/c7t1d0 disk connected configured ok
sata5/2::dsk/c7t2d0 disk connected configured ok
sata5/3::dsk/c7t3d0 disk connected configured ok
sata5/4::dsk/c7t4d0 disk connected configured ok
sata5/5::dsk/c7t5d0 disk connected configured ok
sata5/6::dsk/c7t6d0 disk connected configured ok
sata5/7::dsk/c7t7d0 disk connected configured ok
- The next step is to create the zpool, this is done using zpool create -f [name of zpool] raidz2
Here is a sample command set:
zpool create -f export raidz2 c0t0d0 c1t0d0 c4t0d0 c5t1d0 c6t0d0 c7t0d0 c0t1d0 c1t1d0 c4t1d0 c6t1d0 c7t1d0 c0t2d0 c1t2d0 c4t2d0 c5t2d0
zpool add export raidz2 c0t3d0 c1t3d0 c4t3d0 c5t3d0 c6t3d0 c7t3d0 c0t4d0 c1t4d0 c4t4d0 c5t5d0 c6t2d0 c7t2d0 c0t5d0 c1t5d0 c4t5d0
zpool add export raidz2 c0t6d0 c1t6d0 c4t6d0 c5t6d0 c6t6d0 c7t6d0 c0t7d0 c1t7d0 c4t7d0 c5t7d0 c6t7d0 c6t4d0 c7t4d0 c6t5d0 c7t5d0
zpool add -f export spare c7t7d0
The notation "(ie 3*(13+2) +1)" is broken down like this:
In the Zpool, there's 3 "smaller pools" consisting of 15 disks(under raidz2 - two disk are for parity)
which is the "13 + 2",the "+1" at the end is the spare.
- Congratulations, you have just set up a zpool, using ZFS. Now we'll continue configuring ZFS, setting up "directories" which are called ZFS's.
First, we may want to unmount the zpool: zfs umount [name of zpool]
The next step is populating the zpool with the following command: zfs create export/gskelton where "gskelton" is the zfs being created.
- To export this file system, something like zfs set sharenfs=rw=@192.168.0.0/21,anon=0 export/gskelton will export it no_root_squash.
**With a 5*(7+2) + 1 zpool configuration:
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
test 20.3T 394K 20.3T 0% ONLINE -
df -k
test/gskelton 16647321600 57 16647321301 1% /test/gskelton
df -h
test/gskelton 16T 57K 16T 1% /test/gskelton
**With a 3*(13+2) + 1 zpool configuration:
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
export 20.4T 374K 20.4T 0% ONLINE -
df -k
export/gskelton 18606163968 63 18606163654 1% /export/gskelton
df -h
export/gskelton 17T 63K 17T 1% /export/gskelton
**With a 3*(9+2) + 1*(10+2) +1 zpool configuration
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
export 20.4T 226K 20.4T 0% ONLINE -
df -k
export/gskelton 17641193472 60 17641193157 1% /export/gskelton
df -h
export/gskelton 16T 60K 16T 1% /export/gskelton