Good day,
We had one of ourv245 with raid1 mirroring appear to loose a drive. metastat 
returns the following :
bash-3.00# raidctl
No RAID volumes found
bash-3.00# metastat
d6: Mirror
    Submirror 0: d16
      State: Needs maintenance
    Submirror 1: d26
      State: Okay
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 56894016 blocks (27 GB)

d16: Submirror of d6
    State: Needs maintenance
    Invoke: metareplace d6 c1t0d0s6 <new device>
    Size: 56894016 blocks (27 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t0d0s6          0     No     Maintenance   Yes


d26: Submirror of d6
    State: Okay
    Size: 56894016 blocks (27 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t1d0s6          0     No            Okay   Yes


d5: Mirror
    Submirror 0: d15
      State: Needs maintenance
    Submirror 1: d25
      State: Okay
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 20484288 blocks (9.8 GB)

d15: Submirror of d5
    State: Needs maintenance
    Invoke: metareplace d5 c1t0d0s5 <new device>
    Size: 20484288 blocks (9.8 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t0d0s5          0     No     Maintenance   Yes


d25: Submirror of d5
    State: Okay
    Size: 20484288 blocks (9.8 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t1d0s5          0     No            Okay   Yes


d4: Mirror
    Submirror 0: d14
      State: Needs maintenance
    Submirror 1: d24
      State: Okay
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 20484288 blocks (9.8 GB)

d14: Submirror of d4
    State: Needs maintenance
    Invoke: metareplace d4 c1t0d0s4 <new device>
    Size: 20484288 blocks (9.8 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t0d0s4          0     No     Maintenance   Yes


d24: Submirror of d4
    State: Okay
    Size: 20484288 blocks (9.8 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t1d0s4          0     No            Okay   Yes


d3: Mirror
    Submirror 0: d13
      State: Needs maintenance
    Submirror 1: d23
      State: Okay
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 20484288 blocks (9.8 GB)

d13: Submirror of d3
    State: Needs maintenance
    Invoke: metareplace d3 c1t0d0s3 <new device>
    Size: 20484288 blocks (9.8 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t0d0s3          0     No     Maintenance   Yes


d23: Submirror of d3
    State: Okay
    Size: 20484288 blocks (9.8 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t1d0s3          0     No            Okay   Yes


d1: Mirror
    Submirror 0: d11
      State: Needs maintenance
    Submirror 1: d21
      State: Okay
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 4202688 blocks (2.0 GB)

d11: Submirror of d1
    State: Needs maintenance
    Invoke: metareplace d1 c1t0d0s1 <new device>
    Size: 4202688 blocks (2.0 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t0d0s1          0     No     Maintenance   Yes


d21: Submirror of d1
    State: Okay
    Size: 4202688 blocks (2.0 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t1d0s1          0     No            Okay   Yes


d0: Mirror
    Submirror 0: d10
      State: Needs maintenance
    Submirror 1: d20
      State: Okay
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 20484288 blocks (9.8 GB)

d10: Submirror of d0
    State: Needs maintenance
    Invoke: metareplace d0 c1t0d0s0 <new device>
    Size: 20484288 blocks (9.8 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t0d0s0          0     No     Maintenance   Yes


d20: Submirror of d0
    State: Okay
    Size: 20484288 blocks (9.8 GB)
    Stripe 0:
        Device     Start Block  Dbase        State Reloc Hot Spare
        c1t1d0s0          0     No            Okay   Yes

Device Relocation Information:
Device   Reloc  Device ID
c1t1d0   Yes    id1,s...@n500000e01579f140
c1t0d0   Yes    id1,s...@n500000e0157a12f0
bash-3.00# raidctl
No RAID volumes found

But as you can see, raidctl shows no RAID.

On our T2000 or T5220 that are setup with mirroring they do show raidctl but 
metastat returns an error that there are no existing databases.

Any reason why?
thanks
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