[OmniOS-discuss] ZFS Checksum problem

["Daniel D. Gonçalves"]

I'm having trouble checksum in my ZFS pool, I tried to change data 
cables and power of HDDs, but the problems remain.
All 8 HDDs that are exhibiting errors are identicaland all is on the 
same controller.

         NAME          STATE     READ WRITE CKSUM
         STORAGE01     DEGRADED     0     0   347
           mirror-0    DEGRADED     0     0   188
             c15t35d1  DEGRADED     0     0   188  too many errors
             c15t18d1  DEGRADED     0     0   188  too many errors
           mirror-1    DEGRADED     0     0   170
             c15t21d1  DEGRADED     0     0   170  too many errors
             c15t22d1  DEGRADED     0     0   170  too many errors
           mirror-2    DEGRADED     0     0   164
             c15t17d1  DEGRADED     0     0   164  too many errors
             c15t19d1  DEGRADED     0     0   164  too many errors
           mirror-3    DEGRADED     0     0   172
             c15t24d1  DEGRADED     0     0   172  too many errors
             c15t23d1  DEGRADED     0     0   172  too many errors
           mirror-5    ONLINE       0     0     0
             c15t25d1  ONLINE       0     0     0
             c15t27d1  ONLINE       0     0     0
           mirror-6    ONLINE       0     0     0
             c15t26d1  ONLINE       0     0     0
             c15t28d1  ONLINE       0     0     0
           mirror-7    ONLINE       0     0     0
             c15t29d1  ONLINE       0     0     0
             c15t31d1  ONLINE       0     0     0
           mirror-8    ONLINE       0     0     0
             c15t32d1  ONLINE       0     0     0
             c15t30d1  ONLINE       0     0     0
         logs
           mirror-4    ONLINE       0     0     0
             c14t1d0   ONLINE       0     0     0
             c14t3d0   ONLINE       0     0     0
         cache
           c14t4d0     ONLINE       0     0     0

Smartinfo:

  c15t17d1       3001 GB       STORAGE01       mirror       DEGRADED     
   S:4 H:0 T:0       ST3000DM001-1CH166       sat,12  PASSED       40 
°C       Z1F21TA7       without error       short long abort log
  c15t18d1       3001 GB       STORAGE01       mirror       DEGRADED     
   S:4 H:0 T:0       ST3000DM001-1CH166       sat,12  PASSED       41 
°C       Z1F27DCD       without error       short long abort log
  c15t19d1       3001 GB       STORAGE01       mirror       DEGRADED     
   S:4 H:0 T:0       ST3000DM001-1CH166       sat,12  PASSED       39 
°C       Z1F28PSJ       without error       short long abort log
  c15t21d1       3001 GB       STORAGE01       mirror       DEGRADED     
   S:4 H:0 T:0       ST3000DM001-1CH166       sat,12  PASSED       35 
°C       Z1F21NPM       without error       short long abort log
  c15t22d1       3001 GB       STORAGE01       mirror       DEGRADED     
   S:4 H:0 T:0       ST3000DM001-1CH166       sat,12  PASSED       38 
°C       Z1F27CFV       without error       short long abort log
  c15t23d1       3001 GB       STORAGE01       mirror       DEGRADED     
   S:4 H:0 T:0       ST3000DM001-1CH166       sat,12  PASSED       40 
°C       Z1F27EHT       without error       short long abort log
  c15t24d1       3001 GB       STORAGE01       mirror       DEGRADED     
   S:4 H:0 T:0       ST3000DM001-1CH166       sat,12  PASSED       41 
°C       Z1F27796       without error       short long abort log
  c15t35d1       3001 GB       STORAGE01       mirror       DEGRADED     
   S:4 H:0 T:0       ST3000DM001-1CH166       sat,12  PASSED       25 
°C       Z1F27E4X       without error       short long abort log

HD Info:

smartctl 6.0 2012-10-10 r3643 [i386-pc-solaris2.11] (local build)
Copyright (C) 2002-12, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Seagate Barracuda 7200.14 (AF)
Device Model:     ST3000DM001-1CH166
Serial Number:    Z1F21TA7
LU WWN Device Id: 5 000c50 04f6f0c73
Firmware Version: CC24
User Capacity:    3,000,592,982,016 bytes [3.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    7200 rpm
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ATA8-ACS T13/1699-D revision 4
SATA Version is:  SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Mon Jul  1 16:56:42 2013 BRT

Can anyone help me?

Thanks.

Daniel