help - ZFS-FreeBSD 10.1 -zpool degraded

[Motty Cruz]

Hello,
I get the following error:
5638733535486357169REMOVED000was /dev/label/z3

I have two FreeBSD 10.1 64bit machine A (master) and Machine B(slave) if 
for whatever reason slave machine reboot, Machine A, reports zpool 
degraded and usually same disk (in this case z3) always appear to be 
"REMOVED".

any ideas? JBOD Promise Vess J2000D Series and LSI Card SAS9200.

I have two raidz2, normally  zpool appears :
# zpool status
   pool: tank
  state: ONLINE
   scan: resilvered 0 in 0h0m with 0 errors on Fri Apr 24 10:50:33 2015
config:

     NAME           STATE     READ WRITE CKSUM
     tank           ONLINE       0     0     0
       raidz2-0     ONLINE       0     0     0
         label/z0   ONLINE       0     0     0
         label/z1   ONLINE       0     0     0
         label/z2   ONLINE       0     0     0
         label/z3   ONLINE       0     0     0
         label/z14  ONLINE       0     0     0
         label/z5   ONLINE       0     0     0
         label/z6   ONLINE       0     0     0
       raidz2-1     ONLINE       0     0     0
         label/z7   ONLINE       0     0     0
         label/z8   ONLINE       0     0     0
         label/z9   ONLINE       0     0     0
         label/z10  ONLINE       0     0     0
         label/z11  ONLINE       0     0     0
         label/z12  ONLINE       0     0     0
         label/z13  ONLINE       0     0     0

errors: No known data errors


Thanks in advance!
-Motty