zpool_failure_02-23-16

 zpool status
  pool: zones
 state: DEGRADED
status: One or more devices are faulted in response to persistent errors.
        Sufficient replicas exist for the pool to continue functioning in a
        degraded state.
action: Replace the faulted device, or use 'zpool clear' to mark the device
        repaired.
  scan: resilvered 15.1G in 0h36m with 0 errors on Sat Feb 13 16:07:18 2016
config:

        NAME          STATE     READ WRITE CKSUM
        zones         DEGRADED     0     0     0
          raidz2-0    DEGRADED     0     0     0
            c1t2d0    FAULTED      2   292     0  too many errors
            c2t1d0    ONLINE       0     0     0
            c2t2d0    ONLINE       0     0     0
            c2t3d0    REMOVED      0     0     0
            c2t4d0    ONLINE       0     0     0
            c2t5d0    ONLINE       0     0     0
        logs
          mirror-1    UNAVAIL      0    16     0  insufficient replicas
            c1t0d0s0  FAULTED      0    16     0  too many errors
            c1t1d0s0  FAULTED      0    19     0  too many errors
        cache
          c1t0d0s1    FAULTED     65    56     0  too many errors
          c1t1d0s1    FAULTED     47    28     0  too many errors

errors: No known data errors