miku
先日買っちゃったSSD、ようやく乗せ替えました。
そして、さっそくベンチマーク。
おおー速い！！
（しまった、HDDの速度はかってなかった。まあいいか）
接続が3Gb/sなのでシーケンシャルの速度は頭打ちですが、
ランダムアクセスが想定していた程度に速くなったので満足ですｗ
仕様では読み書き75000IOPSという話だったので、ちょっと遅いのかな？
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CrystalDiskMark 3.0.3 Shizuku Edition x64 (C) 2007-2013 hiyohiyo
Crystal Dew World : http://crystalmark.info/
———————————————————————–
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]
Sequential Read : 274.748 MB/s
Sequential Write : 262.505 MB/s
Random Read 512KB : 224.062 MB/s
Random Write 512KB : 210.306 MB/s
Random Read 4KB (QD=1) : 24.975 MB/s [ 6097.5 IOPS]
Random Write 4KB (QD=1) : 52.189 MB/s [ 12741.5 IOPS]
Random Read 4KB (QD=32) : 167.068 MB/s [ 40788.1 IOPS]
Random Write 4KB (QD=32) : 65.936 MB/s [ 16097.7 IOPS]
Test : 1000 MB [C: 75.2% (179.3/238.4 GB)] (x3)
Date : 2014/12/18 21:10:23
OS : Windows 7 Professional SP1 [6.1 Build 7601] (x64)
smartctlの出力：
$ smartctl -a /dev/sda
smartctl 6.3 2014-07-26 r3976 [i686-pc-cygwin-win7(64)-sp1] (cygwin-6.3-1)
Copyright (C) 2002-14, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Device Model: TS256GSSD370
Serial Number: **********
Firmware Version: N0815B
User Capacity: 256,060,514,304 bytes [256 GB]
Sector Size: 512 bytes logical/physical
Rotation Rate: Solid State Device
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: ACS-2 (minor revision not indicated)
SATA Version is: SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Thu Dec 18 21:14:10 2014 JST
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: (0x02) Offline data collection activity
was completed without error.
Auto Offline Data Collection: Disabled.
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: ( 0) seconds.
Offline data collection
capabilities: (0x71) SMART execute Offline immediate.
No Auto Offline data collection support.
Suspend Offline collection upon new
command.
No Offline surface scan supported.
Self-test supported.
Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0002) Does not save 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: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 10) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SMART Attributes Data Structure revision number: 1
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x0000 100 100 000 Old_age Offline – 0
5 Reallocated_Sector_Ct 0x0000 100 100 000 Old_age Offline – 0
9 Power_On_Hours 0x0000 100 100 000 Old_age Offline – 2
12 Power_Cycle_Count 0x0000 100 100 000 Old_age Offline – 11
160 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 0
161 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 43
163 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 3
164 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 796
165 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 4
166 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 0
167 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 0
168 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 3000
169 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 100
177 Wear_Leveling_Count 0x0000 100 100 050 Old_age Offline – 0
181 Program_Fail_Cnt_Total 0x0000 100 100 000 Old_age Offline – 0
182 Erase_Fail_Count_Total 0x0000 100 100 000 Old_age Offline – 0
192 Power-Off_Retract_Count 0x0000 100 100 000 Old_age Offline – 5
194 Temperature_Celsius 0x0000 100 100 000 Old_age Offline – 25
195 Hardware_ECC_Recovered 0x0000 100 100 000 Old_age Offline – 3819
196 Reallocated_Event_Count 0x0000 100 100 016 Old_age Offline – 0
197 Current_Pending_Sector 0x0000 100 100 000 Old_age Offline – 0
199 UDMA_CRC_Error_Count 0x0000 100 100 050 Old_age Offline – 0
232 Available_Reservd_Space 0x0000 100 100 000 Old_age Offline – 100
241 Total_LBAs_Written 0x0000 100 100 000 Old_age Offline – 5925
242 Total_LBAs_Read 0x0000 100 100 000 Old_age Offline – 1094
245 Unknown_Attribute 0x0000 100 100 000 Old_age Offline – 6368
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Short offline Completed without error 00% 1 –
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.
この「Available_Reserved_Space」を見ておけば、事前に寿命が分かるはず。（たぶん）
常時起動させてるPCなので、どうなるか楽しみです。