Adding new disk to existing storage pool to extend capacity (No mirror)
zpool add dpool c1t4d0
Adding an mirrored stripe to existing mirrors
zpool add dpool mirror newDev1 newDev2
Attaching a disk and make mirror
zpool attach dpool oldDev newDev
Making a non-redundant to mirrir (existing=c1t1d0 new=c1t5d0)
zpool attach dpool c1t1d0 c1t5d0
Remove mirror from pool
zpool detach dpool c1t5d0
Can't add new mirror to only disk storage pool
zpool add dpool c1t4d0
Adding an mirrored stripe to existing mirrors
zpool add dpool mirror newDev1 newDev2
Attaching a disk and make mirror
zpool attach dpool oldDev newDev
Making a non-redundant to mirrir (existing=c1t1d0 new=c1t5d0)
zpool attach dpool c1t1d0 c1t5d0
Remove mirror from pool
zpool detach dpool c1t5d0
Can't add new mirror to only disk storage pool