metastat d105
d105: Mirror
    Submirror 0: d115
      State: Okay         
    Submirror 1: d125
      State: Needs maintenance 
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 35340000 blocks

d115: Submirror of d105
    State: Okay         
    Size: 35340000 blocks
    Stripe 0:
        Device              Start Block  Dbase State        Hot Spare
        c3t5d0s0                   0     No    Okay         


d125: Submirror of d105
    State: Needs maintenance 
    Invoke: metareplace d105 c3t13d0s0 <new device>
    Size: 35340000 blocks
    Stripe 0:
        Device              Start Block  Dbase State        Hot Spare
        c3t13d0s0                  0     No    Maintenance  




-----------
# iostat -E
sd6      Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: TOSHIBA  Product: DVD-ROM SD-M1401 Revision: 1009 Serial No: 12/20/00 
Size: 18446744073.71GB <-1 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd30     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6JN600002218 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd31     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6BB400007218 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd32     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6KA800002219 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd33     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6JLT00002219 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd34     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6FCR00002219 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd35     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6KBS00007217 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd37     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6JHR00007218 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd38     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6HS300002219 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd39     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6HSZ00007217 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd40     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6A8500002218 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd41     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP6JM700007218 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
sd42     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST318305LSUN18G  Revision: 0340 Serial No: 3JKP694L00007218 
Size: 18.11GB <18110967808 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
ssd1     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST336605FSUN36G  Revision: 0438 Serial No: 0145P0QE8D 
Size: 36.42GB <36418595328 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0 
ssd3     Soft Errors: 0 Hard Errors: 0 Transport Errors: 0 
Vendor: SEAGATE  Product: ST336607FSUN36G  Revision: 0407 Serial No: 0310AY5ARJ 
Size: 36.42GB <36418595328 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 0 Recoverable: 0 
Illegal Request: 0 Predictive Failure Analysis: 0