Date: Tue, 24 Jul 2012 11:40:14 -0500 From: dweimer <dweimer@dweimer.net> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Disk Errors Message-ID: <d65bfc394e4b31d92bb6ab9e8d220d16@dweimer.net>
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Just curious, I am sure the likely issue is a bad disk, but I thought
there might be a chance this could be caused by possibly by something
else.
I have three 1TB disks I use for backup, two of them are Western
Digital drives I bought specifically for this purpose. One is a Seagate
drive that came out of a barebones PC that I replaced with a couple
smaller drives in a stripe to gain performance. I use the drives in an
external SATA dock, using geom eli encryption, the western digital
drives give me no problems, but the seagate drive gives me a lot of the
following errors under load.
ad4: TIMEOUT - WRITE_DMA48 retrying (1 retry left) LBA=817755328
ad4: WARNING - WRITE_DMA48 UDMA ICRC error (retrying request)
LBA=837397120
ad4: TIMEOUT - WRITE_DMA48 retrying (1 retry left) LBA=879786112
ad4: WARNING - WRITE_DMA48 UDMA ICRC error (retrying request)
LBA=882931200
ad4: WARNING - WRITE_DMA48 UDMA ICRC error (retrying request)
LBA=890542016
ad4: WARNING - WRITE_DMA48 UDMA ICRC error (retrying request)
LBA=902767296
ad4: TIMEOUT - WRITE_DMA48 retrying (1 retry left) LBA=904071296
dmesg info about the drive at connection time:
ad4: 953869MB <Seagate ST31000528AS CC46> at ata2-master UDMA100 SATA
3Gb/s
dmesg info about one of the western digital drives:
ad4: 953869MB <WDC WD10EARS-00Y5B1 80.00A80> at ata2-master UDMA100
SATA 3Gb/s
Before I scrap the drive I just wanted to see if anyone could either
say for sure its hardware, or if something else could possibly cause
this. I don't suspect the controller, cable or dock as the problems
would likely occur with the western Digital drives as well if one of
them were involved.
--
Thanks,
Dean E. Weimer
http://www.dweimer.net/
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