linux-kernel - Re: Ninth(?) Velociraptor replacement or md(RAID)/smartmontools(?) bug?

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Date:	Fri, 21 Nov 2008 06:37:04 -0500 (EST)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	Peter Rabbitson <rabbit+list@...bit.us>
cc:	linux-raid <linux-raid@...r.kernel.org>,
	linux-kernel@...r.kernel.org, alan@...rguk.ukuu.org.uk,
	smartmontools-support@...ts.sourceforge.net,
	Bruce Allen <ballen@...vity.phys.uwm.edu>
Subject: Re: Ninth(?) Velociraptor replacement or md(RAID)/smartmontools(?)
 bug?



On Fri, 21 Nov 2008, Justin Piszcz wrote:

>
>
> On Fri, 21 Nov 2008, Peter Rabbitson wrote:
>
>> It might very well be a WD bug. I had three (3) identical WDC
>> WD2500AAJS-08B4A0 drives fail on me with the same _identical_ error
>> (same sector number to the last digit):
>> 
>> Oct 27 11:33:41 Arzamas kernel: ata6.00: exception Emask 0x10 SAct 0x0
>> SErr 0x80000 action 0xe frozen
>> Oct 27 11:33:41 Arzamas kernel: ata6.00: irq_stat 0x01100010, PHY RDY
>> changed
>> Oct 27 11:33:41 Arzamas kernel: ata6: SError: { 10B8B }
>> Oct 27 11:33:41 Arzamas kernel: ata6.00: cmd
>> ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0
>> Oct 27 11:33:41 Arzamas kernel: res 06/37:00:00:00:00/00:00:00:00:06/00
>> Emask 0x12 (ATA bus error)
>> Oct 27 11:33:41 Arzamas kernel: ata6.00: error: { IDNF ABRT }
>> Oct 27 11:33:41 Arzamas kernel: ata6: hard resetting link
>> Oct 27 11:33:46 Arzamas kernel: ata6: SATA link up 3.0 Gbps (SStatus 123
>> SControl 0)
>> Oct 27 11:33:46 Arzamas kernel: ata6.00: configured for UDMA/100
>> Oct 27 11:33:46 Arzamas kernel: ata6: EH complete
>> Oct 27 11:33:46 Arzamas kernel: sd 6:0:0:0: [sde] 488397168 512-byte
>> hardware sectors (250059 MB)
>> Oct 27 11:33:46 Arzamas kernel: sd 6:0:0:0: [sde] Write Protect is off
>> Oct 27 11:33:46 Arzamas kernel: sd 6:0:0:0: [sde] Mode Sense: 00 3a 00 00
>> Oct 27 11:33:46 Arzamas kernel: sd 6:0:0:0: [sde] Write cache: enabled,
>> read cache: enabled, doesn't support DPO or FUA
>> Oct 27 11:33:46 Arzamas kernel: end_request: I/O error, dev sde, sector
>> 488166955
>> Oct 27 11:33:46 Arzamas kernel: md: super_written gets error=-5, uptodate=0
>> 
>> 
>> All 3 drives endured the same multiple rewriting of the sector in
>> question, as they did multiple smart self-tests. I am currently in the
>> process of replacing these two drives with Seagates, (the other 2 in the
>> 4 member array are Maxtors). Will see what happens.
>> 
>> Peter
>> 
>> P.S. See threads http://marc.info/?l=linux-raid&m=122523835815697 and
>> http://marc.info/?l=linux-raid&m=122669103213041 for more info on my
>
> Pete,
>
> Are these -new- 250GiB drives, recently purchased?
>
> # hdparm -iv /dev/sda
> Drive conforms to: Unspecified:  ATA/ATAPI-1,2,3,4,5,6,7
>
> What does yours conform to, just curious?

Update, the extended offline test completed without any errors:

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%       823         -
# 2  Short offline       Completed without error       00%       822         -

Running offline test now.

p34:~# smartctl -t offline /dev/sda
smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===
Sending command: "Execute SMART off-line routine immediately in off-line mode".
Drive command "Execute SMART off-line routine immediately in off-line mode" successful.
Testing has begun.
Please wait 4800 seconds for test to complete.
Test will complete after Fri Nov 21 07:56:02 2008

Use smartctl -X to abort test.
p34:~#

We'll see what happens next..

Justin.

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