Testing ENV
POS Server：CPU: Pentium Dual-Core E5800 @ 3.20GHz(CPU Mark:2184) MEM: 8G
http://www.cpubenchmark.net/
By iotop
247 be/3 root 0.00 B/s 3.89 K/s 0.00 % 76.36 % [jbd2/dm-0-8]
http://us.generation-nt.com/answer/info-task-jbd2-dm-0-8-3993-blocked-more-than-120-seconds-help-204476011.html
Linux下硬盘检测工具smartmontools(smartctl)使用方法
root@phptest:/home/test# smartctl -a /dev/sda
smartctl 5.40 2010-07-12 r3124 [x86_64-unknown-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Caviar Blue Serial ATA family
Device Model: WDC WD5000AAKS-60WWPA0
Serial Number: WD-WCAYUU756438
Firmware Version: 16.01H16
User Capacity: 500,107,862,016 bytes
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Thu Nov 10 13:53:45 2011 CST
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: ( 41) The self-test routine was interrupted
by the host with a hard or soft reset.
Total time to complete Offline
data collection: (8160) seconds.
Offline data collection
capabilities: (0x5b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
No 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: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 83) minutes.
SCT capabilities: (0x303f) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0027 142 142 021 Pre-fail Always - 3875
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 31
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0
7 Seek_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0
9 Power_On_Hours 0x0032 098 098 000 Old_age Always - 1905
10 Spin_Retry_Count 0x0033 100 253 051 Pre-fail Always - 0
11 Calibration_Retry_Count 0x0032 100 253 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 29
184 End-to-End_Error 0x0033 100 100 097 Pre-fail Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
188 Command_Timeout 0x0032 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0022 059 053 040 Old_age Always - 41 (Lifetime Min/Max 27/45)
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 13
193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 17
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0
197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 200 200 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x0008 200 200 000 Old_age Offline - 0
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 Extended offline Interrupted (host reset) 90% 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.
确认硬盘是否打开了SMART支持
smartctl -i /dev/hdb
root@phptest:/home/test# smartctl -i /dev/sda
smartctl 5.40 2010-07-12 r3124 [x86_64-unknown-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Caviar Blue Serial ATA family
Device Model: WDC WD5000AAKS-60WWPA0
Serial Number: WD-WCAYUU756438
Firmware Version: 16.01H16
User Capacity: 500,107,862,016 bytes
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Thu Nov 10 14:03:43 2011 CST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
执行如下命令查看硬盘的健康状况
root@phptest:/home/test# smartctl -H /dev/sda
smartctl 5.40 2010-07-12 r3124 [x86_64-unknown-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
http://bbs.linuxtone.org/thread-1029-1-1.html
