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SubjectRe: SATA exceptions
Date
Hi;

07 Tem 2007 Cts tarihinde, Robert Hancock şunları yazmıştı:
> 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

SMART Error Log Version: 1
No Errors Logged

SMART Self-test log structure revision number 1
No self-tests have been logged. [To run self-tests, use: smartctl -t]


SMART Selective Self-Test Log Data Structure Revision Number (0) should be 1
SMART Selective self-test log data structure revision number 0
Warning: ATA Specification requires 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.

What is your suggestion in that case will i try to change the hardware
assuming its harware's fault or that may be regression introduced by kernels
newer than 2.6.18?

Cheers
--
S.Çağlar Onur <caglar@pardus.org.tr>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!
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