Re: [gentoo-user] One hard drive much slower for some reason.

Wed, 02 Jun 2010 21:48:20 -0700 

Arttu V. wrote:

On 6/2/10, Dale<rdalek1...@gmail.com>  wrote:

smoker-new ~ # smartctl -l selftest /dev/hdb
smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining
LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%
1038         -
# 2  Short offline       Completed without error       00%
1037         -
# 3  Extended offline    Completed without error       00%
1075         -
# 4  Extended offline    Completed without error       00%
305         -
# 5  Extended offline    Completed without error       00%
660         -
# 6  Extended offline    Completed without error       00%
213         -
# 7  Extended offline    Completed without error       00%
687         -
# 8  Extended offline    Completed without error       00%
686         -
# 9  Extended offline    Completed without error       00%
629         -

I was thinking about smartctl -A attributes table (or just plain -a
for all), which might've showed a great number of sector relocations
or other internal I/O-related issues.

But this report raises another question: why aren't the reported
lifetimes in an ascending list? They jump back and forth.
Here is that info. I included all the IDE drives. Sort of see if there is something different about them. 

smoker-new ~ # smartctl -A /dev/hda
smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF READ SMART DATA SECTION ===
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 3 Spin_Up_Time 0x0027 220 219 063 Pre-fail Always - 11725 4 Start_Stop_Count 0x0032 253 253 000 Old_age Always - 1385 5 Reallocated_Sector_Ct 0x0033 253 253 063 Pre-fail Always - 0 6 Read_Channel_Margin 0x0001 253 253 100 Pre-fail Offline - 0 7 Seek_Error_Rate 0x000a 253 252 000 Old_age Always - 0 8 Seek_Time_Performance 0x0027 251 240 187 Pre-fail Always - 39290 9 Power_On_Minutes 0x0032 210 210 000 Old_age Always - 1025h+05m 10 Spin_Retry_Count 0x002b 253 252 157 Pre-fail Always - 0 11 Calibration_Retry_Count 0x002b 253 252 223 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 250 250 000 Old_age Always - 1396 192 Power-Off_Retract_Count 0x0032 253 253 000 Old_age Always - 428 193 Load_Cycle_Count 0x0032 253 253 000 Old_age Always - 2071 194 Temperature_Celsius 0x0032 253 253 000 Old_age Always - 22 195 Hardware_ECC_Recovered 0x000a 253 252 000 Old_age Always - 2566 196 Reallocated_Event_Count 0x0008 253 253 000 Old_age Offline - 0 197 Current_Pending_Sector 0x0008 253 253 000 Old_age Offline - 0 198 Offline_Uncorrectable 0x0008 253 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0008 199 196 000 Old_age Offline - 3 200 Multi_Zone_Error_Rate 0x000a 253 252 000 Old_age Always - 0 201 Soft_Read_Error_Rate 0x000a 253 252 000 Old_age Always - 0 202 TA_Increase_Count 0x000a 253 252 000 Old_age Always - 0 203 Run_Out_Cancel 0x000b 253 252 180 Pre-fail Always - 0 204 Shock_Count_Write_Opern 0x000a 253 252 000 Old_age Always - 0 205 Shock_Rate_Write_Opern 0x000a 253 252 000 Old_age Always - 0 207 Spin_High_Current 0x002a 253 252 000 Old_age Always - 0 208 Spin_Buzz 0x002a 253 252 000 Old_age Always - 0 209 Offline_Seek_Performnce 0x0024 190 187 000 Old_age Offline - 0 99 Unknown_Attribute 0x0004 253 253 000 Old_age Offline - 0 100 Unknown_Attribute 0x0004 253 253 000 Old_age Offline - 0 101 Unknown_Attribute 0x0004 253 253 000 Old_age Offline - 0 

smoker-new ~ # smartctl -A /dev/hdb
smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF READ SMART DATA SECTION ===
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 0x000b 200 200 051 Pre-fail Always - 0 3 Spin_Up_Time 0x0007 087 084 021 Pre-fail Always - 2191 4 Start_Stop_Count 0x0032 099 099 040 Old_age Always - 1209 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x000b 200 200 051 Pre-fail Always - 0 9 Power_On_Hours 0x0032 032 032 000 Old_age Always - 50209 10 Spin_Retry_Count 0x0013 100 100 051 Pre-fail Always - 0 11 Calibration_Retry_Count 0x0013 100 100 051 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 961 194 Temperature_Celsius 0x0022 116 253 000 Old_age Always - 27 196 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 0x0012 200 200 000 Old_age Always - 0 199 UDMA_CRC_Error_Count 0x000a 200 253 000 Old_age Always - 1155 200 Multi_Zone_Error_Rate 0x0009 200 085 051 Pre-fail Offline - 0 

smoker-new ~ # smartctl -A /dev/hdc
smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF READ SMART DATA SECTION ===
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 3 Spin_Up_Time 0x0027 220 219 063 Pre-fail Always - 8240 4 Start_Stop_Count 0x0032 253 253 000 Old_age Always - 411 5 Reallocated_Sector_Ct 0x0033 253 253 063 Pre-fail Always - 0 6 Read_Channel_Margin 0x0001 253 253 100 Pre-fail Offline - 0 7 Seek_Error_Rate 0x000a 253 252 000 Old_age Always - 0 8 Seek_Time_Performance 0x0027 249 239 187 Pre-fail Always - 37263 9 Power_On_Minutes 0x0032 134 134 000 Old_age Always - 1004h+16m 10 Spin_Retry_Count 0x002b 253 252 157 Pre-fail Always - 0 11 Calibration_Retry_Count 0x002b 253 252 223 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 252 252 000 Old_age Always - 444 192 Power-Off_Retract_Count 0x0032 253 253 000 Old_age Always - 0 193 Load_Cycle_Count 0x0032 253 253 000 Old_age Always - 0 194 Temperature_Celsius 0x0032 253 253 000 Old_age Always - 34 195 Hardware_ECC_Recovered 0x000a 253 252 000 Old_age Always - 3240 196 Reallocated_Event_Count 0x0008 253 253 000 Old_age Offline - 0 197 Current_Pending_Sector 0x0008 253 253 000 Old_age Offline - 0 198 Offline_Uncorrectable 0x0008 253 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0008 199 193 000 Old_age Offline - 6 200 Multi_Zone_Error_Rate 0x000a 253 252 000 Old_age Always - 0 201 Soft_Read_Error_Rate 0x000a 253 251 000 Old_age Always - 4 202 TA_Increase_Count 0x000a 253 252 000 Old_age Always - 0 203 Run_Out_Cancel 0x000b 253 252 180 Pre-fail Always - 2 204 Shock_Count_Write_Opern 0x000a 253 252 000 Old_age Always - 0 205 Shock_Rate_Write_Opern 0x000a 253 252 000 Old_age Always - 0 207 Spin_High_Current 0x002a 253 252 000 Old_age Always - 0 208 Spin_Buzz 0x002a 253 252 000 Old_age Always - 0 209 Offline_Seek_Performnce 0x0024 197 190 000 Old_age Offline - 0 99 Unknown_Attribute 0x0004 253 253 000 Old_age Offline - 0 100 Unknown_Attribute 0x0004 253 253 000 Old_age Offline - 0 101 Unknown_Attribute 0x0004 253 253 000 Old_age Offline - 0 

smoker-new ~ #
As for the lifetimes in the report, good question. I think that drives is doing some weird stuff. It can travel back and forth in time but is slow for no apparent good reason. 

Dale

:-)  :-)

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