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Date: Wed, 9 Jul 2008 07:37:50 +0200 (CEST)
From: Gerhard Wiesinger <lists@...singer.com>
To: Justin Piszcz <jpiszcz@...idpixels.com>
cc: linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org,
linux-ide@...r.kernel.org
Subject: Re: Lots of con-current I/O = resets SATA link? (2.6.25.10)
On Tue, 8 Jul 2008, Justin Piszcz wrote:
>>>>> Hi Gerhard,
>>>
>>> Please run:
>>>
>>> smartctl -t short /dev/sdc
>>> sleep 300
>>> smartctl -t long /dev/sdc
>>>
>>> Wait 2-3 hours or more and:
>>>
>>> smartctl -a /dev/sdc
>>
>>
>> I'm changing the disk one more time ...
>
> Once you replace the disk please re-run the tests shown above and show us the
> output please.
>
> How many SAMSUNG disks have you gone through, do they really fail that often?
>
Hello Justin!
Setup Power suppply:
sda-sdd are on the same power supply cable, sde, sdf are on a second one.
I changed the disk to a new SAMSUNG disk and the first raid resync did NOT
work and I had 1 reallocated sector ...
Also the RMA guy at our very good computer store (http://www.ditech.at/)
were helpfull in changing the disks and he hates the SAMSUNG disks
because of high RMA rates ...
But:
smart checks were ok (details see below). The smart checks are shown as
aborted, but before running the next tests they were at "Completed without
error" (strange).
Now sdc has it's own power cable and I'm running a raid resync now.
Power supply is:
ATX 385 Watt, ENERMAX PRO82+
Load on power supply measured on 220V side with a true RMS Wattmeter:
Power off: 6,5W
Max seen at power up: 196W
BIOS: 114,1W
Linux idle: 92,0W
100% Disk I/O, 100% CPU load: 149,6W
=> Everything fine and as expected.
I'll keep you up to date ...
Ciao,
Gerhard
--
http://www.wiesinger.com/
==============================================================================================
smartctl -a /dev/sdc
smartctl version 5.38 [x86_64-redhat-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/
=== START OF INFORMATION SECTION ===
Device Model: SAMSUNG HD103UJ
Serial Number: XXXXXXXXXXXXX
Firmware Version: 1AA01109
User Capacity: 1,000,204,886,016 bytes
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: ATA-8-ACS revision 3b
Local Time is: Wed Jul 9 07:03:39 2008 CEST
==> 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
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: (11927) 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: ( 200) minutes.
Conveyance self-test routine
recommended polling time: ( 21) minutes.
SCT capabilities: (0x003f) SCT Status 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 100 100 051 Pre-fail Always - 0
3 Spin_Up_Time 0x0007 091 091 011 Pre-fail Always - 3560
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 5
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 1
7 Seek_Error_Rate 0x000f 253 253 051 Pre-fail Always - 0
8 Seek_Time_Performance 0x0025 100 100 015 Pre-fail Offline - 13955
9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 11
10 Spin_Retry_Count 0x0033 100 100 051 Pre-fail Always - 0
11 Calibration_Retry_Count 0x0012 100 100 000 Old_age Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 5
13 Read_Soft_Error_Rate 0x000e 100 100 000 Old_age Always - 0
183 Unknown_Attribute 0x0032 100 100 000 Old_age Always - 0
184 Unknown_Attribute 0x0033 100 100 099 Pre-fail Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
188 Unknown_Attribute 0x0032 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0022 075 066 000 Old_age Always - 25 (Lifetime Min/Max 25/34)
194 Temperature_Celsius 0x0022 074 064 000 Old_age Always - 26 (Lifetime Min/Max 25/36)
195 Hardware_ECC_Recovered 0x001a 100 100 000 Old_age Always - 2077
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 0
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x003e 100 100 000 Old_age Always - 0
200 Multi_Zone_Error_Rate 0x000a 253 253 000 Old_age Always - 0
201 Soft_Read_Error_Rate 0x000a 100 100 000 Old_age Always - 0
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 0
Warning: ATA Specification requires 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% 4 -
# 2 Conveyance offline Aborted by host 00% 1 -
# 3 Short offline Aborted by host 00% 0 -
# 4 Conveyance offline Aborted by host 00% 0 -
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.
==============================================================================================
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