Hi,
My HD seems to unload several times a minute.
root@omar-laptop:~# while : ; do smartctl --all /dev/sda | grep ^193;
sleep 60; done
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3249
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3251
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3251
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3253
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3256
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3258
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3262
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3264
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3266
root@omar-laptop:~# hdparm -I /dev/sda
/dev/sda:
ATA device, with non-removable media
Model Number: WDC WD2500BEVS-75UST0
Serial Number: WD-WXE708HR3348
Firmware Revision: 01.01A01
Standards:
Supported: 8 7 6 5
Likely used: 8
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: 488397168
device size with M = 1024*1024: 238475 MBytes
device size with M = 1000*1000: 250059 MBytes (250 GB)
Capabilities:
LBA, IORDY(can be disabled)
Queue depth: 32
Standby timer values: spec'd by Standard, with device specific minimum
R/W multiple sector transfer: Max = 16 Current = 8
Advanced power management level: 128
Recommended acoustic management value: 128, current value: 254
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
* NOP cmd
* DOWNLOAD_MICROCODE
* Advanced Power Management feature set
SET_MAX security extension
* Automatic Acoustic Management feature set
* 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
* WRITE_{DMA|MULTIPLE}_FUA_EXT
* 64-bit World wide name
* IDLE_IMMEDIATE with UNLOAD
* Segmented DOWNLOAD_MICROCODE
* SATA-I signaling speed (1.5Gb/s)
* Native Command Queueing (NCQ)
* Host-initiated interface power management
* Phy event counters
DMA Setup Auto-Activate optimization
Device-initiated interface power management
* Software settings preservation
* SMART Command Transport (SCT) feature set
* SCT Long Sector Access (AC1)
* SCT LBA Segment Access (AC2)
* SCT Error Recovery Control (AC3)
* SCT Features Control (AC4)
* SCT Data Tables (AC5)
unknown 206[12] (vendor specific)
unknown 206[13] (vendor specific)
Security:
Master password revision code = 65534
supported
not enabled
not locked
frozen
not expired: security count
not supported: enhanced erase
92min for SECURITY ERASE UNIT.
Logical Unit WWN Device Identifier: 50014ee25720269e
NAA : 5
IEEE OUI : 14ee
Unique ID : 25720269e
Checksum: correct
This is a Dell Inspiron 1318
2.6.24-19-generic #1 SMP Wed Aug 20 22:56:21 UTC 2008 i686 GNU/Linux
root@omar-laptop:~# smartctl --all /dev/sda
smartctl version 5.37 [i686-pc-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/
=== START OF INFORMATION SECTION ===
Device Model: WDC WD2500BEVS-75UST0
Serial Number: WD-WXE708HR3348
Firmware Version: 01.01A01
User Capacity: 250,059,350,016 bytes
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 8
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Mon Sep 29 18:32:08 2008 CEST
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: (9180) 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: ( 110) minutes.
Conveyance self-test routine
recommended polling time: ( 5) minutes.
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 188 187 021 Pre-fail
Always - 1600
4 Start_Stop_Count 0x0032 100 100 000 Old_age
Always - 118
5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail
Always - 0
7 Seek_Error_Rate 0x000e 100 253 051 Old_age
Always - 0
9 Power_On_Hours 0x0032 100 100 000 Old_age
Always - 161
10 Spin_Retry_Count 0x0012 100 100 051 Old_age
Always - 0
11 Calibration_Retry_Count 0x0012 100 253 051 Old_age
Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age
Always - 95
192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age
Always - 9
193 Load_Cycle_Count 0x0032 199 199 000 Old_age
Always - 3274
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 0x0008 100 253 051 Old_age
Offline - 0
240 Head_Flying_Hours 0x0032 100 100 000 Old_age
Always - 190
241 Unknown_Attribute 0x0032 195 195 000 Old_age
Always - 5763852624323
242 Unknown_Attribute 0x0032 200 200 000 Old_age
Always - 522340900
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% 4 -
# 2 Short offline Completed without error 00% 1 -
# 3 Short offline Completed without error 00% 0 -
# 4 Short offline Completed without error 00% 0 -
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.
Hope this helps.
Best Regards
On Mon, Sep 29, 2008 at 1:44 PM, Robert Krawitz <rlk@xxxxxxxxxxxx> wrote:
> Date: Mon, 29 Sep 2008 17:02:33 +0900
> From: Tejun Heo <tj@xxxxxxxxxx>
>
> Hello,
>
> I'm writing to everyone who reported to me or linux-ide about frequent
> head unload problem and the report is not yet committed to
> storage-fixup.conf.
>
> I'm a bit worried about the explosion of reports because I really
> wanna avoid creating false entries as they will increase power
> consumption on Linux unnecessarily. I've just updated the Known
> Issues wiki page. Here are the update parts.
>
> Note that modern laptop drives are supposed to unload frequently to
> save power. Unless the unloading is excessive, disabling powersaving
> is not a good idea. It seems that most modern drives are rated for
> 600,000 load/unload cycles which translates to about two years of
> uptime at 35 unloads per hour. Even when assuming continuous 12 hours
> of usage everyday, this means the drive will only reach its rated
> load/unload cycle limit after four years and shouldn't be considered
> malfunctioning. Please only report cases where the expected uptime is
> significantly lower than two years.
>
> ... Also, please include how many times the drive unloads the head
> per-hour under nominal usage without any adjustment.
>
> Machines currently on the storage.fixup list are (or at least supposed
> to be) the extreme cases where the drive unloads its head multiple
> times per minute decreasing its life expectancy to under a year.
> Please double check your machine falls into this category.
>
> Mine was unloading multiple times per minute. It had accumulated
> 70,000 cycles within the first month or two of use.
>
> --
> Robert Krawitz <rlk@xxxxxxxxxxxx>
>
> Tall Clubs International -- http://www.tall.org/ or 1-888-IM-TALL-2
> Member of the League for Programming Freedom -- mail lpf@xxxxxxxxxxxx
> Project lead for Gutenprint -- http://gimp-print.sourceforge.net
>
> "Linux doesn't dictate how I work, I dictate how Linux works."
> --Eric Crampton
>
--
Am I the Alien?? I guess we will never know :-)
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