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Both Metadevices of a mirror have “State: Needs maintenance” Whenever you run into a broken SDS Mirror, beware of the following status:   d1: Mirror Submirror 0: d11 State:Needs maintenance Submirror 1: d10 State:Needs maintenance Pass: 1 Read option: roundrobin (default) Write option: parallel (default) Size: 12584484 blocks (6.0 GB) d11: Submirror of d1 State: Needs maintenance Invoke: after replacing “Maintenance” components:  metareplace d1 c0t1d0s0<new device> Size: 12584484 blocks (6.0 GB) Stripe 0: Device     Start Block  Dbase        State Reloc Hot Spare c0t1d0s0          0     No     Last Erred Yes d10: Submirror of d1 State: Needs maintenance Invoke:metasync d1 Size: 12584484 blocks (6.0 GB) Stripe 0: Device     Start Block  Dbase        State Reloc Hot Spare c0t0d0s0          0     No           Okay Yes       Whenever you have the above status, you will have tofix firstthe submirror thatdoesn’tstateLast Erred. The submirror withLast Erredshould beleft always to be fixed at lastto avoid corruption.     So in the above […]

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