Solstice DiskSuite[TM] - 'Needs Maintenance' and "Last Erred" states.

d0: Mirror
Submirror 0: d10
State: Needs maintenance
Submirror 1: d20
State: Needs maintenance
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 12585752 blocks

d10: Submirror of d0
State: Needs maintenance
Invoke: metareplace d0 c0t0d0s0
Size: 12585752 blocks
Stripe 0:
Device Start Block Dbase State Hot Spare
c0t0d0s0 0 No Maintenance

d20: Submirror of d0
State: Needs maintenance
Invoke: after replacing "Maintenance" components: metareplace d0 c0t1d0s0
Size: 12585752 blocks
Stripe 0:
Device Start Block Dbase State Hot Spare
c0t1d0s0 0 No Last Erred

First replace the "Maintenance" slice using the command:

# metareplace -e d0 c0t0d0s0

After waiting for "Okay" status for the corresponding submirror,replace the "Last erred" slice using the command:

# metareplace -e d0 c0t1d0s0