Seagate SSD (smartctl)

```
[root@localhost ~]# smartctl -x /dev/sdac -d scsi
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.10.0-327.10.1.el7.jump7.x86_64] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Vendor:               SanDisk
Product:              LT0400MO
Revision:             D414
User Capacity:        400,088,457,216 bytes [400 GB]
Logical block size:   512 bytes
LU is resource provisioned, LBPRZ=1
Rotation Rate:        Solid State Device
Form Factor:          2.5 inches
Logical Unit id:      0x5001e820028291c4
Serial number:        42111428
Device type:          disk
Transport protocol:   SAS
Local Time is:        Tue Jan 24 14:07:51 2017 CST
SMART support is:     Available - device has SMART capability.
SMART support is:     Enabled
Temperature Warning:  Disabled or Not Supported
Read Cache is:        Disabled
Writeback Cache is:   Disabled

=== START OF READ SMART DATA SECTION ===
SMART Health Status: OK

SS Media used endurance indicator: 1%
Current Drive Temperature:     27 C
Drive Trip Temperature:        60 C

Manufactured in week 23 of year 2015
Specified cycle count over device lifetime:  100000
Accumulated start-stop cycles:  113
defect list format 6 unknown
Elements in grown defect list: 0

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:          0        0         0         0          0      49655.260           0
write:         0        0         0         0          0      93608.824           0
verify:        0        0         0         0          0       1200.292           0

Non-medium error count:       67

SMART Self-test log
Num  Test              Status                 segment  LifeTime  LBA_first_err [SK ASC ASQ]
     Description                              number   (hours)
# 1  Background short  Completed                  48       3                 - [-   -    -]
# 2  Background long   Completed                  48       2                 - [-   -    -]
# 3  Background short  Completed                  48       2                 - [-   -    -]
Long (extended) Self Test duration: 1800 seconds [30.0 minutes]

Background scan results log
  Status: scan is active
    Accumulated power on time, hours:minutes 13325:11 [799511 minutes]
    Number of background scans performed: 49613,  scan progress: 99.00%
    Number of background medium scans performed: 49613

Protocol Specific port log page for SAS SSP
relative target port id = 1
  generation code = 1
  number of phys = 1
  phy identifier = 0
    attached device type: expander device
    attached reason: SMP phy control function
    reason: loss of dword synchronization
    negotiated logical link rate: reserved [11]
    attached initiator port: ssp=0 stp=0 smp=0
    attached target port: ssp=0 stp=0 smp=1
    SAS address = 0x5001e820028291c6
    attached SAS address = 0x500056b3805998ff
    attached phy identifier = 20
    Invalid DWORD count = 0
    Running disparity error count = 641
    Loss of DWORD synchronization = 1
    Phy reset problem = 0
relative target port id = 2
  generation code = 1
  number of phys = 1
  phy identifier = 1
    attached device type: no device attached
    attached reason: unknown
    reason: unknown
    negotiated logical link rate: phy disabled
    attached initiator port: ssp=0 stp=0 smp=0
    attached target port: ssp=0 stp=0 smp=0
    SAS address = 0x5001e820028291c7
    attached SAS address = 0x0
    attached phy identifier = 0
    Invalid DWORD count = 0
    Running disparity error count = 0
    Loss of DWORD synchronization = 0
    Phy reset problem = 0
```