Date: Sun, 10 Oct 2004 00:29:05 +0000 From: "Mikhail P." <miha@ghuug.org> To: freebsd-hackers@freebsd.org Cc: Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?= <des@des.no> Subject: Re: ad0: FAILURE - WRITE_DMA Message-ID: <200410100029.05533.miha@ghuug.org> In-Reply-To: <xzpd5zrsjei.fsf@dwp.des.no> References: <200410081937.15068.miha@ghuug.org> <200410091701.01987.miha@ghuug.org> <xzpd5zrsjei.fsf@dwp.des.no>
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On Saturday 09 October 2004 20:53, Dag-Erling Sm=F8rgrav wrote: > "Mikhail P." <miha@ghuug.org> writes: > > Well, there is no pattern. [...] > > Could be bad cables, could be bad drives. Environmental factors are a > more likely cause, though. Are all the failing disks in the same > machine? If they're in separate machines, are those rack-mount, or > are they standing on a table or shelf? If a shelf, what kind? What's > the ambient temperature in the machine room? Could be cables - I will get a replacement to verify that. I'm less sure it= is=20 drives. Yes, all 4 drives were in the same machine. Machine is a regular 2U rackmount chassis (one CPU), with proper airflow. E= ach=20 drive has its individual aluminum fan as well. Chassis sits in a 47U cabine= t,=20 datacenter environment, with lots of free space around. So I'm quite sure i= t=20 is not cooling/dust issues.. Well, unfortunately, I don't have access to hardware myself, so I can't do = any=20 hardware related tasks. As said, I will get those two drives shipped to me,= =20 and will then see myself if it is really hdd issue, or something else.. > > DES regards, M.
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