hard disk behavior
jb
jb.1234abcd at gmail.com
Wed Feb 29 17:18:22 UTC 2012
Hi,
I very often hear this metallic (mechanical) clicking from my hard disk when
it is active. I experience this behavior under FreeBSD only (not other OSs).
Is there any way to figure out what it means ?
Any other tools, except SMART below, to try ? What to look for ?
# /usr/local/sbin/smartctl -a /dev/ada0
smartctl 5.42 2011-10-20 r3458 [FreeBSD 9.0-RELEASE i386] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Scorpio Blue Serial ATA
Device Model: WDC WD1600BEVS-08RST2
Serial Number: WD-WXC308897633
LU WWN Device Id: 5 0014ee 2abfdb88c
Firmware Version: 11.01G11
User Capacity: 160,041,885,696 bytes [160 GB]
Sector Size: 512 bytes logical/physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: 7
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Wed Feb 29 18:01:06 2012 CET
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: (0x00) Offline data collection activity
was never started.
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: ( 6780) 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: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 87) minutes.
Conveyance self-test routine
recommended polling time: ( 6) minutes.
SCT capabilities: (0x103f) 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 0x000f 200 200 051 Pre-fail Always -
0
3 Spin_Up_Time 0x0003 188 188 021 Pre-fail Always -
1558
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always -
972
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always -
0
7 Seek_Error_Rate 0x000f 200 200 051 Pre-fail Always -
0
9 Power_On_Hours 0x0032 087 087 000 Old_age Always -
10148
10 Spin_Retry_Count 0x0013 100 100 051 Pre-fail Always -
0
11 Calibration_Retry_Count 0x0012 100 100 051 Old_age Always -
0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always -
773
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always -
29
193 Load_Cycle_Count 0x0032 001 001 000 Old_age Always -
779337
194 Temperature_Celsius 0x0022 115 104 000 Old_age Always -
32
196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always -
0
197 Current_Pending_Sector 0x0012 200 200 000 Old_age Always -
0
198 Offline_Uncorrectable 0x0010 100 253 000 Old_age Offline -
0
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always -
0
200 Multi_Zone_Error_Rate 0x0009 100 253 051 Pre-fail 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 Short offline Completed without error 00% 8212 -
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.
[root at localhost /home/jb]#
# /usr/local/sbin/smartctl -t short /dev/ada0smartctl 5.42 2011-10-20 r3458
[FreeBSD 9.0-RELEASE i386] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===
Sending command: "Execute SMART Short self-test routine immediately in off-line
mode".
Drive command "Execute SMART Short self-test routine immediately in off-line
mode" successful.
Testing has begun.
Please wait 2 minutes for test to complete.
Test will complete after Wed Feb 29 18:12:35 2012
Use smartctl -X to abort test.
[root at localhost /home/jb]# /usr/local/sbin/smartctl -H /dev/ada0
smartctl 5.42 2011-10-20 r3458 [FreeBSD 9.0-RELEASE i386] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
[root at localhost /home/jb]#
jb
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