Re: SATA exceptions

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S.Çag(lar Onur wrote:

Hi;
07 Tem 2007 Cts tarihinde, Robert Hancock Å?unları yazmıÅ?tı: 
It's not the free space on the drive that matters, it's the number of
free sectors in the spare sector pool on the drive, which is invisible
to software.

Your SMART log shows 309 reallocated sectors. That seems somewhat high..
Ah sorry to misinterpret the content:), its a quiet new piece of hardware (at most ~1.5 month old) and "Reallocated_Event_Count" constantly increases (currently its increased to 313) and although i'm not 100 percent sure these errors only occured with kernels > 2.6.18 (or 2.6.18 didn't report these cause according to kern.log these only visible with 2.6.22+) We bought 3 HP Pavillon dv2385ea and one of them only runs with 2.6.18 and its smartctl output follows as a reference; 

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:     SAMSUNG HM160JI
Serial Number:    S0W6J10P331479
Firmware Version: AD100-16
User Capacity:    160.041.885.696 bytes
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   7
ATA Standard is:  ATA/ATAPI-7 T13 1532D revision 0
Local Time is:    Sun Jul  8 00:22:21 2007 EEST
==> WARNING: May need -F samsung or -F samsung2 enabled; see manual for details. 

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
See vendor-specific Attribute list for marginal Attributes.

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: (5391) seconds. 
Offline data collection
capabilities: 			 (0x51) SMART execute Offline immediate.
					No Auto Offline data collection support.
					Suspend Offline collection upon new
					command.
					No 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: 	 (  89) 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 100 100 051 Pre-fail Always - 0 3 Spin_Up_Time 0x0007 253 253 025 Pre-fail Always - 2880 4 Start_Stop_Count 0x0032 098 098 000 Old_age Always - 2648 5 Reallocated_Sector_Ct 0x0033 253 253 010 Pre-fail Always - 0 7 Seek_Error_Rate 0x000f 253 253 051 Pre-fail Always - 0 8 Seek_Time_Performance 0x0025 253 253 015 Pre-fail Offline - 0 9 Power_On_Hours 0x0032 253 253 000 Old_age Always - 236 10 Spin_Retry_Count 0x0033 100 100 051 Pre-fail Always - 1 11 Calibration_Retry_Count 0x0012 100 100 000 Old_age Always - 2 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 57 187 Unknown_Attribute 0x0032 253 253 000 Old_age Always - 0 188 Unknown_Attribute 0x0032 253 253 000 Old_age Always - 0 190 Temperature_Celsius 0x0022 047 040 040 Old_age Always In_the_past 1008009269 191 G-Sense_Error_Rate 0x0012 100 100 000 Old_age Always - 5396 192 Power-Off_Retract_Count 0x0012 100 100 000 Old_age Always - 40 193 Load_Cycle_Count 0x0012 100 100 000 Old_age Always - 2575 194 Temperature_Celsius 0x0022 047 040 000 Old_age Always - 53 (Lifetime Min/Max 0/15381) 195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age Always - 98037 196 Reallocated_Event_Count 0x0032 253 253 000 Old_age Always - 0 197 Current_Pending_Sector 0x0012 253 253 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 253 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x000a 100 100 000 Old_age Always - 0 201 Soft_Read_Error_Rate 0x0012 253 253 000 Old_age Always - 0 223 Load_Retry_Count 0x0012 100 100 000 Old_age Always - 2 225 Load_Cycle_Count 0x0012 100 100 000 Old_age Always - 2575 255 Unknown_Attribute 0x000a 253 100 000 Old_age Always - 0 
..

I'm not even sure how to interpret those numbers.
It seems rather odd that nearly all fields are either "100" or "253",
so those are probably pre-programmed numbers rather than actual counts.
The raw value at the end of the line (for the various "Reallocated*" fields)
is probably the real value here.

Tejun ??
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