Code:
smartctl -x /dev/da50
smartctl 6.3 2014-07-26 r3976 [FreeBSD 9.3-RELEASE-p31 amd64] (local build)
Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Vendor:               SEAGATE
Product:              ST32000444SS
Revision:             0006
User Capacity:        2,000,398,934,016 bytes [2.00 TB]
Logical block size:   512 bytes
Rotation Rate:        7200 rpm
Form Factor:          3.5 inches
Logical Unit id:      0x5000c50034f38023
Serial number:        9WM7HGNG00009152KCTP
Device type:          disk
Transport protocol:   SAS (SPL-3)
Local Time is:        Thu Mar 31 02:05:27 2016 PDT
SMART support is:     Available - device has SMART capability.
SMART support is:     Enabled
Temperature Warning:  Enabled
Read Cache is:        Enabled
Writeback Cache is:   Enabled
=== START OF READ SMART DATA SECTION ===
SMART Health Status: OK
Current Drive Temperature:     28 C
Drive Trip Temperature:        68 C
Manufactured in week 35 of year 2011
Specified cycle count over device lifetime:  10000
Accumulated start-stop cycles:  105
Specified load-unload count over device lifetime:  300000
Accumulated load-unload cycles:  105
Elements in grown defect list: 0
Vendor (Seagate) cache information
  Blocks sent to initiator = 1056550268
  Blocks received from initiator = 2718171506
  Blocks read from cache and sent to initiator = 647985500
  Number of read and write commands whose size <= segment size = 580509091
  Number of read and write commands whose size > segment size = 2833
Vendor (Seagate/Hitachi) factory information
  number of hours powered up = 37023.02
  number of minutes until next internal SMART test = 3
Error counter log:
           Errors Corrected by           Total   Correction     Gigabytes    Total
               ECC          rereads/    errors   algorithm      processed    uncorrected
           fast | delayed   rewrites  corrected  invocations   [10^9 bytes]  errors
read:   1779221537       22         0  1779221559   1779221559      46720.442           0
write:         0        0         0         0          0      14692.554           0
verify:    52060        0         0     52060      52060          0.000           0
Non-medium error count:       16
SMART Self-test log
Num  Test              Status                 segment  LifeTime  LBA_first_err [SK ASC ASQ]
     Description                              number   (hours)
# 1  Background short  Completed                   -   37022                 - [-   -    -]
# 2  Background short  Completed                   -   36974                 - [-   -    -]
# 3  Background short  Completed                   -   36926                 - [-   -    -]
# 4  Background short  Completed                   -   36878                 - [-   -    -]
# 5  Background long   Completed                   -   36877                 - [-   -    -]
# 6  Background long   Completed                   -   36871                 - [-   -    -]
# 7  Background short  Completed                   -   36830                 - [-   -    -]
# 8  Background long   Completed                   -   36817                 - [-   -    -]
# 9  Background short  Completed                   -   36782                 - [-   -    -]
#10  Background short  Completed                   -   36758                 - [-   -    -]
#11  Background short  Completed                   -   36734                 - [-   -    -]
#12  Background short  Completed                   -   36710                 - [-   -    -]
#13  Background short  Completed                   -   36686                 - [-   -    -]
#14  Background short  Completed                   -   36662                 - [-   -    -]
#15  Background long   Completed                   -   36641                 - [-   -    -]
#16  Background short  Completed                   -   36615                 - [-   -    -]
#17  Background short  Completed                   -   36591                 - [-   -    -]
#18  Background short  Completed                   -   36567                 - [-   -    -]
#19  Background short  Completed                   -   36543                 - [-   -    -]
#20  Background short  Completed                   -   36519                 - [-   -    -]
Long (extended) Self Test duration: 18500 seconds [308.3 minutes]
Background scan results log
  Status: waiting until BMS interval timer expires
    Accumulated power on time, hours:minutes 37023:01 [2221381 minutes]
    Number of background scans performed: 520,  scan progress: 0.00%
    Number of background medium scans performed: 17129
   #  when        lba(hex)    [sk,asc,ascq]    reassign_status
   1 9073:39  0000000000000b77  [1,18,7]   Recovered via rewrite in-place
   2 9088:03  0000000004250076  [1,18,7]   Recovered via rewrite in-place
   3 9117:36  000000000425d425  [1,18,7]   Recovered via rewrite in-place
   4 9200:45  0000000000000b5e  [1,18,7]   Recovered via rewrite in-place
   5 9217:13  000000000424fe42  [1,18,7]   Recovered via rewrite in-place
   6 9226:46  000000000425d66c  [1,18,7]   Recovered via rewrite in-place
   7 9283:08  0000000000000b64  [1,18,7]   Recovered via rewrite in-place
   8 9312:56  0000000023cbe069  [1,18,7]   Recovered via rewrite in-place
   9 9347:17  00000000042507ea  [1,18,7]   Recovered via rewrite in-place
  10 9431:54  0000000000000b51  [1,18,7]   Recovered via rewrite in-place
  11 9504:07  0000000000000d9e  [1,18,7]   Recovered via rewrite in-place
  12 9513:10  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  13 9584:16  0000000000000b67  [1,18,7]   Recovered via rewrite in-place
  14 9662:28  0000000000000b6a  [1,18,7]   Recovered via rewrite in-place
  15 9711:43  0000000000000b77  [1,18,7]   Recovered via rewrite in-place
  16 9825:14  0000000001ff5923  [1,18,7]   Recovered via rewrite in-place
  17 9874:20  0000000000000b4f  [1,18,7]   Recovered via rewrite in-place
  18 9943:39  0000000000000b57  [1,18,7]   Recovered via rewrite in-place
  19 10032:59  0000000000000b60  [1,18,7]   Recovered via rewrite in-place
  20 10095:48  0000000000000b4f  [1,18,7]   Recovered via rewrite in-place
  21 10215:15  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  22 10287:15  0000000000000b7c  [1,18,7]   Recovered via rewrite in-place
  23 10349:01  0000000000000d91  [1,18,7]   Recovered via rewrite in-place
  24 10376:29  0000000000000b6a  [1,18,7]   Recovered via rewrite in-place
  25 10497:19  0000000000000b78  [1,18,7]   Recovered via rewrite in-place
  26 10572:09  0000000000000b57  [1,18,7]   Recovered via rewrite in-place
  27 10734:43  0000000000000b64  [1,18,7]   Recovered via rewrite in-place
  28 10858:31  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  29 10929:03  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  30 11075:50  0000000000000d98  [1,18,7]   Recovered via rewrite in-place
  31 11080:13  0000000000000c41  [1,18,7]   Recovered via rewrite in-place
  32 11091:37  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  33 11168:05  0000000000000b66  [1,18,7]   Recovered via rewrite in-place
  34 11362:18  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  35 11452:56  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  36 11520:36  0000000000000db1  [1,18,7]   Recovered via rewrite in-place
  37 11599:41  0000000000000b6a  [1,18,7]   Recovered via rewrite in-place
  38 11656:30  000000003964c49d  [1,18,7]   Recovered via rewrite in-place
  39 11806:05  0000000000000b67  [1,18,7]   Recovered via rewrite in-place
  40 11948:08  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  41 12038:52  0000000000000d4e  [1,18,7]   Recovered via rewrite in-place
  42 12095:01  0000000000000bb8  [1,18,7]   Recovered via rewrite in-place
  43 12100:47  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  44 12251:53  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  45 12391:52  0000000000000b64  [1,18,7]   Recovered via rewrite in-place
  46 12502:31  0000000000000b68  [1,18,7]   Recovered via rewrite in-place
  47 12564:52  00000000e8e03f59  [1,18,7]   Recovered via rewrite in-place
  48 12663:49  0000000000000b53  [1,18,7]   Recovered via rewrite in-place
  49 12691:07  0000000000000e02  [1,18,7]   Recovered via rewrite in-place
  50 12728:32  0000000000000d4e  [1,18,7]   Recovered via rewrite in-place
  51 12751:33  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  52 12879:44  0000000000000b6a  [1,18,7]   Recovered via rewrite in-place
  53 12974:30  0000000000000b4e  [1,18,7]   Recovered via rewrite in-place
  54 13069:21  0000000000000b82  [1,18,7]   Recovered via rewrite in-place
  55 13254:59  0000000000000b5e  [1,18,7]   Recovered via rewrite in-place
  56 19099:02  00000000003ff92a  [1,18,7]   Recovered via rewrite in-place
  57 19104:12  00000000003ff898  [1,18,7]   Recovered via rewrite in-place
  58 19113:26  00000000003ff832  [1,18,7]   Recovered via rewrite in-place
  59 19136:36  00000000003ff885  [1,18,7]   Recovered via rewrite in-place
  60 19147:32  00000000003ff864  [1,18,7]   Recovered via rewrite in-place
  61 19283:46  00000000003ff861  [1,18,7]   Recovered via rewrite in-place
  62 19378:45  00000000003ff87e  [1,18,7]   Recovered via rewrite in-place
  63 19565:40  00000000003ffb03  [1,18,7]   Recovered via rewrite in-place
  64 19568:40  00000000003ff879  [1,18,7]   Recovered via rewrite in-place
  65 19595:50  00000000003ffa32  [1,18,7]   Recovered via rewrite in-place
  66 19641:41  00000000003ff877  [1,18,7]   Recovered via rewrite in-place
  67 19693:12  00000000003ff88e  [1,18,7]   Recovered via rewrite in-place
  68 19700:47  00000000125aa70b  [1,18,7]   Recovered via rewrite in-place
  69 19706:17  00000000003ff87c  [1,18,7]   Recovered via rewrite in-place
  70 19924:36  00000000003ff870  [1,18,7]   Recovered via rewrite in-place
  71 19999:35  00000000003ff87e  [1,18,7]   Recovered via rewrite in-place
  72 20035:30  0000000002253928  [1,18,7]   Recovered via rewrite in-place
  73 20102:02  00000000003ff832  [1,18,7]   Recovered via rewrite in-place
  74 20102:34  00000000003ffb30  [1,18,7]   Recovered via rewrite in-place
  75 20104:35  00000000003ffade  [1,18,7]   Recovered via rewrite in-place
  76 20126:29  00000000003ff87c  [1,18,7]   Recovered via rewrite in-place
  77 20134:25  00000000003ff86f  [1,18,7]   Recovered via rewrite in-place
  78 20151:27  00000000003ffa34  [1,18,7]   Recovered via rewrite in-place
  79 20157:06  00000000003ff87c  [1,18,7]   Recovered via rewrite in-place
  80 20158:59  00000000003ff86f  [1,18,7]   Recovered via rewrite in-place
  81 20165:04  00000000003ff839  [1,18,7]   Recovered via rewrite in-place
  82 20173:12  00000000003ff876  [1,18,7]   Recovered via rewrite in-place
  83 20179:00  00000000003ff833  [1,18,7]   Recovered via rewrite in-place
  84 20180:00  00000000003ffaeb  [1,18,7]   Recovered via rewrite in-place
  85 20181:52  00000000e8e082d9  [1,18,7]   Recovered via rewrite in-place
  86 20182:03  00000000003ff832  [1,18,7]   Recovered via rewrite in-place
  87 20185:33  00000000003ff85e  [1,18,7]   Recovered via rewrite in-place
  88 20285:44  00000000003ff833  [1,18,7]   Recovered via rewrite in-place
  89 20502:30  00000000003ff87b  [1,18,7]   Recovered via rewrite in-place
  90 20788:25  00000000003ff832  [1,18,7]   Recovered via rewrite in-place
  91 20827:32  00000000003ff86c  [1,18,7]   Recovered via rewrite in-place
  92 20930:24  00000000003ffa45  [1,18,7]   Recovered via rewrite in-place
  93 20931:27  00000000003ff87c  [1,18,7]   Recovered via rewrite in-place
  94 20941:31  00000000e8e080d9  [1,18,7]   Recovered via rewrite in-place
  95 20944:56  0000000000400ace  [1,18,7]   Recovered via rewrite in-place
  96 20949:00  00000000003ff87c  [1,18,7]   Recovered via rewrite in-place
  97 21542:25  00000000003ff86f  [1,18,7]   Recovered via rewrite in-place
  98 21550:43  00000000003ff881  [1,18,7]   Recovered via rewrite in-place
  99 21723:56  00000000003ff887  [1,18,7]   Recovered via rewrite in-place
 100 21863:16  00000000003ff832  [1,18,7]   Recovered via rewrite in-place
 101 21922:09  00000000003ffa32  [1,18,7]   Recovered via rewrite in-place
 102 21932:50  00000000003ff85a  [1,18,7]   Recovered via rewrite in-place
 103 21936:57  00000000003ff897  [1,18,7]   Recovered via rewrite in-place
 104 21938:09  00000000096f7a8e  [1,18,7]   Recovered via rewrite in-place
 105 21946:13  00000000003ff833  [1,18,7]   Recovered via rewrite in-place
 106 22325:43  00000000003ff887  [1,18,7]   Recovered via rewrite in-place
 107 22333:07  00000000003ffb23  [1,18,7]   Recovered via rewrite in-place
 108 22344:09  00000000e8e04b8f  [1,18,7]   Recovered via rewrite in-place
 109 22636:40  00000000003ff863  [1,18,7]   Recovered via rewrite in-place
 110 22852:37  00000000003ff887  [1,18,7]   Recovered via rewrite in-place
 111 22922:37  00000000e8e082df  [1,18,7]   Recovered via rewrite in-place
 112 22965:23  00000000e53066f6  [1,18,7]   Recovered via rewrite in-place
 113 23271:31  00000000003ff87c  [1,18,7]   Recovered via rewrite in-place
 114 23640:28  00000000003ff864  [1,18,7]   Recovered via rewrite in-place
 115 23772:25  00000000003ffae6  [1,18,7]   Recovered via rewrite in-place
 116 23934:55  00000000003ff85e  [1,18,7]   Recovered via rewrite in-place
 117 24145:21  00000000003ff85e  [1,18,7]   Recovered via rewrite in-place
 118 24645:16  00000000003ff863  [1,18,7]   Recovered via rewrite in-place
 119 24790:51  00000000003ff8db  [1,18,7]   Recovered via rewrite in-place
 120 24846:55  00000000003ff832  [1,18,7]   Recovered via rewrite in-place
 121 24935:13  00000000003ff86f  [1,18,7]   Recovered via rewrite in-place
 122 24997:10  00000000928be35d  [1,18,7]   Recovered via rewrite in-place
 123 25046:35  00000000003ff87c  [1,18,7]   Recovered via rewrite in-place
 124 25047:29  00000000003ffa92  [1,18,7]   Recovered via rewrite in-place
 125 25173:22  000000000bea5daf  [1,18,7]   Recovered via rewrite in-place
 126 25199:08  00000000003ff86f  [1,18,7]   Recovered via rewrite in-place
 127 25493:16  0000000000400cd0  [1,18,7]   Recovered via rewrite in-place
 128 25493:50  00000000003ff832  [1,18,7]   Recovered via rewrite in-place
 129 25614:03  00000000003ffb31  [1,18,7]   Recovered via rewrite in-place
 130 25661:11  00000000003ffa9d  [1,18,7]   Recovered via rewrite in-place
 131 25687:03  00000000003ffa32  [1,18,7]   Recovered via rewrite in-place
 132 25836:00  00000000003ff863  [1,18,7]   Recovered via rewrite in-place
 133 26045:05  00000000003ff835  [1,18,7]   Recovered via rewrite in-place
 134 26285:02  00000000e8e07cc5  [1,18,7]   Recovered via rewrite in-place
 135 26285:09  00000000003ff839  [1,18,7]   Recovered via rewrite in-place
 136 26429:04  00000000003ff866  [1,18,7]   Recovered via rewrite in-place
 137 26513:54  0000000000400ad3  [1,18,7]   Recovered via rewrite in-place
 138 26573:00  0000000000400bc5  [1,18,7]   Recovered via rewrite in-place
 139 26655:52  00000000003ff863  [1,18,7]   Recovered via rewrite in-place
 140 26798:50  00000000003ffacb  [1,18,7]   Recovered via rewrite in-place
 141 26908:58  00000000003ff87b  [1,18,7]   Recovered via rewrite in-place
 142 27148:57  00000000003ff871  [1,18,7]   Recovered via rewrite in-place
 143 27292:50  00000000003ff836  [1,18,7]   Recovered via rewrite in-place
 144 27449:43  00000000e8e082d9  [1,18,7]   Recovered via rewrite in-place
 145 27460:53  00000000003ff835  [1,18,7]   Recovered via rewrite in-place
 146 27632:31  00000000003ff87b  [1,18,7]   Recovered via rewrite in-place
 147 27939:43  00000000003ffb14  [1,18,7]   Recovered via rewrite in-place
 148 27947:37  00000000003ff835  [1,18,7]   Recovered via rewrite in-place
 149 28155:46  00000000003ff832  [1,18,7]   Recovered via rewrite in-place
 150 28227:44  00000000003ff846  [1,18,7]   Recovered via rewrite in-place
 151 28395:38  00000000003ff864  [1,18,7]   Recovered via rewrite in-place
 152 28665:28  00000000003ff870  [1,18,7]   Recovered via rewrite in-place
 153 28730:27  00000000003ffa62  [1,18,7]   Recovered via rewrite in-place
 154 28880:26  00000000003ff864  [1,18,7]   Recovered via rewrite in-place
 155 29355:29  00000000003ff833  [1,18,7]   Recovered via rewrite in-place
 156 29670:17  00000000003ff87a  [1,18,7]   Recovered via rewrite in-place
 157 29674:17  00000000e8e082d9  [1,18,7]   Recovered via rewrite in-place
 158 29707:37  00000000d49deb4d  [1,18,7]   Recovered via rewrite in-place
 159 29946:01  00000000003ff882  [1,18,7]   Recovered via rewrite in-place
 160 30175:10  00000000003ff887  [1,18,7]   Recovered via rewrite in-place
 161 30244:25  00000000003ffad3  [1,18,7]   Recovered via rewrite in-place
 162 30245:19  00000000003ffa32  [1,18,7]   Recovered via rewrite in-place
 163 30250:15  00000000003ff833  [1,18,7]   Recovered via rewrite in-place
 164 30532:06  00000000003ff869  [1,18,7]   Recovered via rewrite in-place
 165 33378:36  00000000003ff835  [1,18,7]   Recovered via rewrite in-place
 33024 12607:29  0001011e0e1d0080  [e,92,ab]   Reserved [0x3]
 33025 12607:29  0001801e04808781  [e,92,ab]   Reserved [0x3]
 33026 21589:47  0008011c01180900  [0,40,4]   Reserved [0x0]
 33027 21623:55  0008011d01180900  [0,40,3]   Reserved [0x0]
 33028 22324:09  0010011a0e1d0080  [b,b7,79]   Reassignment by disk failed
 33029 22324:09  0010801a04808781  [b,b7,79]   Reassignment by disk failed
 33030 23251:08  0008011a01180900  [8,e0,85]   Reassign status: reserved [0xe]
 33031 24980:24  0008011a01180900  [8,e0,88]   Reassign status: reserved [0xe]
 33032 25932:10  0008011a01180900  [8,e0,87]   Reassign status: reserved [0xe]
 33033 26803:18  0008011c01180900  [8,e0,88]   Reassign status: reserved [0xe]
 33034 27792:46  0008011a01180900  [8,e0,88]   Reassign status: reserved [0xe]
 33035 28698:41  0008011b01180900  [8,e0,88]   Reassign status: reserved [0xe]
 33036 33169:50  0008011a0e1d0080  [8,e0,85]   Reassign status: reserved [0xe]
 33037 33169:50  0008801a04808781  [8,e0,85]   Reassign status: reserved [0xe]
 33038 33370:47  0068011c01180900  [1,ef,18]   Reassign status: reserved [0x9]
Protocol Specific port log page for SAS SSP
relative target port id = 1
  generation code = 0
  number of phys = 1
  phy identifier = 0
    attached device type: expander device
    attached reason: unknown
    reason: power on
    negotiated logical link rate: phy enabled; 3 Gbps
    attached initiator port: ssp=0 stp=0 smp=0
    attached target port: ssp=0 stp=0 smp=1
    SAS address = 0x5000c50034f38021
    attached SAS address = 0x5003048000a3ab7f
    attached phy identifier = 25
    Invalid DWORD count = 0
    Running disparity error count = 0
    Loss of DWORD synchronization = 0
    Phy reset problem = 0
    Phy event descriptors:
     Invalid word count: 0
     Running disparity error count: 0
     Loss of dword synchronization count: 0
     Phy reset problem count: 0
relative target port id = 2
  generation code = 0
  number of phys = 1
  phy identifier = 1
    attached device type: expander device
    attached reason: unknown
    reason: unknown
    negotiated logical link rate: phy enabled; 3 Gbps
    attached initiator port: ssp=0 stp=0 smp=0
    attached target port: ssp=0 stp=0 smp=1
    SAS address = 0x5000c50034f38022
    attached SAS address = 0x5003048000a3abff
    attached phy identifier = 25
    Invalid DWORD count = 0
    Running disparity error count = 0
    Loss of DWORD synchronization = 0
    Phy reset problem = 0
    Phy event descriptors:
     Invalid word count: 0
     Running disparity error count: 0
     Loss of dword synchronization count: 0
     Phy reset problem count: 0