今回入手した中古 HDD も、前回と同じく Seagate Barracuda ES.2 1TB です。今まで入手した中で、もっとも高値でしたが、商品の説明によると、状態は良い（五つ★）ということでした。
ちなみに、４個購入して平均の値段は、3083円 でした。
まず、S.M.A.R.T. の確認です。
[root@hoge ~]# smartctl -A /dev/sdb smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-642.1.1.el6.x86_64] (local build) Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net === START OF READ SMART DATA SECTION === SMART Attributes Data Structure revision number: 10 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 115 081 006 Pre-fail Always - 86548384 3 Spin_Up_Time 0x0003 091 091 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 157 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 369 7 Seek_Error_Rate 0x000f 068 060 030 Pre-fail Always - 94635312555 9 Power_On_Hours 0x0032 075 075 000 Old_age Always - 22600 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 1 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 140 184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0 187 Reported_Uncorrect 0x0032 001 001 000 Old_age Always - 301 188 Command_Timeout 0x0032 100 089 000 Old_age Always - 171801313320 189 High_Fly_Writes 0x003a 096 096 000 Old_age Always - 4 190 Airflow_Temperature_Cel 0x0022 064 046 045 Old_age Always - 36 (Min/Max 28/36) 194 Temperature_Celsius 0x0022 036 054 000 Old_age Always - 36 (0 14 0 0 0) 195 Hardware_ECC_Recovered 0x001a 031 016 000 Old_age Always - 86548384 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x003e 200 193 000 Old_age Always - 8172残念ながら、それほど良いコンディションではないですね。
ですが、これまでの経験からは、すこぶる悪いというほどでもないです。
運用時間（9 Power_On_Hours）は、
[root@hoge ~]# echo "22600 / 24 / 365" | bc -l 2.57990867579908675799
次は hdparm -i の出力です。
[root@hoge ~]# hdparm -i /dev/sdb
/dev/sdb:
Model=ST31000340NS, FwRev=SN04, SerialNo=5QJ0D8RA
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=unknown, BuffSize=unknown, MaxMultSect=16, MultSect=16
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=1953525168
IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
PIO modes: pio0 pio1 pio2 pio3 pio4
DMA modes: mdma0 mdma1 mdma2
UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
AdvancedPM=no WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 2: ATA/ATAPI-4,5,6
* signifies the current active mode
ファームウェアのバージョンは、SN04 でした。同じモデルでも、ずいぶん色々なバージョンがあるもんですね。１個目は NA02、２個目が FSC9、３個目は SN06 でした。次は、smartctl -a の出力です。
[root@hoge ~]# smartctl -a /dev/sdb
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-642.1.1.el6.x86_64] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Model Family: Seagate Barracuda ES.2
Device Model: ST31000340NS
Serial Number: 5xxxxxxA
LU WWN Device Id: 5 000c50 0yyyyyyyf
Firmware Version: SN04
User Capacity: 1,000,204,886,016 bytes [1.00 TB]
Sector Size: 512 bytes logical/physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: 6
ATA Standard is: ATA/ATAPI-6 T13 1410D revision 2
Local Time is: Mon Jun 27 15:25:19 2016 JST
==> WARNING: There are known problems with these drives,
see the following Seagate web pages:
http://knowledge.seagate.com/articles/en_US/FAQ/207931en
http://knowledge.seagate.com/articles/en_US/FAQ/207963en ★かの有名な問題の警告が出ています
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x82) Offline data collection activity
was completed without error.
Auto Offline Data Collection: Enabled.
Self-test execution status: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: ( 642) seconds.
Offline data collection
capabilities: (0x7b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 239) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x003d) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000f 115 081 006 Pre-fail Always - 86548384
3 Spin_Up_Time 0x0003 091 091 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 157
5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 369
7 Seek_Error_Rate 0x000f 068 060 030 Pre-fail Always - 94635312564
9 Power_On_Hours 0x0032 075 075 000 Old_age Always - 22600
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 1
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 140
184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0
187 Reported_Uncorrect 0x0032 001 001 000 Old_age Always - 301
188 Command_Timeout 0x0032 100 089 000 Old_age Always - 171801313320
189 High_Fly_Writes 0x003a 096 096 000 Old_age Always - 4
190 Airflow_Temperature_Cel 0x0022 064 046 045 Old_age Always - 36 (Min/Max 28/36)
194 Temperature_Celsius 0x0022 036 054 000 Old_age Always - 36 (0 14 0 0 0)
195 Hardware_ECC_Recovered 0x001a 031 016 000 Old_age Always - 86548384
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x003e 200 193 000 Old_age Always - 8172
SMART Error Log Version: 1
ATA Error Count: 301 (device log contains only the most recent five errors)
CR = Command Register [HEX]
FR = Features Register [HEX]
SC = Sector Count Register [HEX]
SN = Sector Number Register [HEX]
CL = Cylinder Low Register [HEX]
CH = Cylinder High Register [HEX]
DH = Device/Head Register [HEX]
DC = Device Command Register [HEX]
ER = Error register [HEX]
ST = Status register [HEX]
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.
Error 301 occurred at disk power-on lifetime: 16966 hours (706 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 3d+15:16:57.119 READ FPDMA QUEUED
61 00 08 ff ff ff 4f 00 3d+15:16:57.119 WRITE FPDMA QUEUED
2f 00 01 10 00 00 40 00 3d+15:16:57.035 READ LOG EXT
60 00 08 ff ff ff 4f 00 3d+15:16:55.303 READ FPDMA QUEUED
2f 00 01 10 00 00 40 00 3d+15:16:55.187 READ LOG EXT
Error 300 occurred at disk power-on lifetime: 16966 hours (706 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 3d+15:16:55.303 READ FPDMA QUEUED
2f 00 01 10 00 00 40 00 3d+15:16:55.187 READ LOG EXT
60 00 08 ff ff ff 4f 00 3d+15:16:53.463 READ FPDMA QUEUED
61 00 08 40 0f 60 40 00 3d+15:16:53.463 WRITE FPDMA QUEUED
2f 00 01 10 00 00 40 00 3d+15:16:53.386 READ LOG EXT
Error 299 occurred at disk power-on lifetime: 16966 hours (706 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 3d+15:16:53.463 READ FPDMA QUEUED
61 00 08 40 0f 60 40 00 3d+15:16:53.463 WRITE FPDMA QUEUED
2f 00 01 10 00 00 40 00 3d+15:16:53.386 READ LOG EXT
60 00 08 ff ff ff 4f 00 3d+15:16:50.814 READ FPDMA QUEUED
2f 00 01 10 00 00 40 00 3d+15:16:50.738 READ LOG EXT
Error 298 occurred at disk power-on lifetime: 16966 hours (706 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 3d+15:16:50.814 READ FPDMA QUEUED
2f 00 01 10 00 00 40 00 3d+15:16:50.738 READ LOG EXT
60 00 08 ff ff ff 4f 00 3d+15:16:48.997 READ FPDMA QUEUED
2f 00 01 10 00 00 40 00 3d+15:16:48.857 READ LOG EXT
61 00 08 ff ff ff 4f 00 3d+15:16:47.118 WRITE FPDMA QUEUED
Error 297 occurred at disk power-on lifetime: 16966 hours (706 days + 22 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
40 51 00 ff ff ff 0f Error: UNC at LBA = 0x0fffffff = 268435455
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
60 00 08 ff ff ff 4f 00 3d+15:16:48.997 READ FPDMA QUEUED
2f 00 01 10 00 00 40 00 3d+15:16:48.857 READ LOG EXT
61 00 08 ff ff ff 4f 00 3d+15:16:47.118 WRITE FPDMA QUEUED
61 00 08 ff ff ff 4f 00 3d+15:16:47.117 WRITE FPDMA QUEUED
60 00 08 ff ff ff 4f 00 3d+15:16:47.116 READ FPDMA QUEUED
SMART Self-test log structure revision number 1
No self-tests have been logged. [To run self-tests, use: smartctl -t]
SMART Selective self-test log data structure revision number 1
SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
1 0 0 Not_testing
2 0 0 Not_testing
3 0 0 Not_testing
4 0 0 Not_testing
5 0 0 Not_testing
Selective self-test flags (0x0):
After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.
エラーの記録がありました。まあ、この程度なら、しばらく使えるとは思いますが。次は、hdparm -I の出力です。
[root@hoge ~]# hdparm -I /dev/sdb
/dev/sdb:
ATA device, with non-removable media
Model Number: ST31000340NS
Serial Number: 5xxxxxxA
Firmware Revision: SN04
Standards:
Used: ATA/ATAPI-6 T13 1410D revision 2
Supported: 6 5 4
Configuration:
Logical max current
cylinders 16383 16383
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16514064
LBA user addressable sectors: 268435455
LBA48 user addressable sectors: 1953525168
Logical/Physical Sector size: 512 bytes
device size with M = 1024*1024: 953869 MBytes
device size with M = 1000*1000: 1000204 MBytes (1000 GB)
cache/buffer size = unknown
Nominal Media Rotation Rate: 7200
Capabilities:
LBA, IORDY(can be disabled)
Queue depth: 32
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = 16
Recommended acoustic management value: 254, current value: 0
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* SMART feature set
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* DOWNLOAD_MICROCODE
* SET_MAX security extension
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* SMART error logging
* SMART self-test
General Purpose Logging feature set
* 64-bit World wide name
* Write-Read-Verify feature set
* WRITE_UNCORRECTABLE_EXT command
* Gen1 signaling speed (1.5Gb/s)
* Native Command Queueing (NCQ)
* Phy event counters
* Software settings preservation
* SMART Command Transport (SCT) feature set
* SCT Write Same (AC2)
* SCT Error Recovery Control (AC3)
* SCT Features Control (AC4)
* SCT Data Tables (AC5)
Security:
Master password revision code = 65534
supported
not enabled
not locked
not frozen
not expired: security count
supported: enhanced erase
Logical Unit WWN Device Identifier: 5000c500yyyyyyyf
NAA : 5
IEEE OUI : 000c50
Unique ID : 0yyyyyyyf
Checksum: correct
このあと、４台構成の RAIDZ に組み込みましたが、resilver と scrub でエラーが出ませんでしたので、十分に使えそうな感触です。
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