Date: Mon, 14 Sep 2009 11:30:38 -0400 From: Mike Tancsa <mike@sentex.net> To: Miroslav Lachman <000.fbsd@quip.cz> Cc: FreeBSD Current <current@freebsd.org> Subject: Re: ata timeouts under load Message-ID: <200909141526.n8EFQwuG021801@lava.sentex.ca> In-Reply-To: <4AAE5F7E.4050103@quip.cz> References: <4AAD4E51.5060908@FreeBSD.org> <4AAD5365.5000902@FreeBSD.org> <4AAD5DD2.4030104@FreeBSD.org> <20090914100941.0adc00aa@Nokia-N810-43-7> <4AAE5F7E.4050103@quip.cz>
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At 11:21 AM 9/14/2009, Miroslav Lachman wrote:
>I have very similar problem with one disk in gmirror, but it is on
>7.2 not current.
>Sep 14 04:48:29 jimi kernel: ad6: timeout waiting to issue command
>Sep 14 04:48:29 jimi kernel: ad6: error issuing FLUSHCACHE command
>Sep 14 04:48:29 jimi kernel: ad6: TIMEOUT - READ_DMA48 retrying (1
>retry left) LBA=447001516
>Sep 14 04:48:29 jimi kernel: ad6: FAILURE - READ_DMA48
>status=51<READY,DSC,ERROR> error=4<ABORTED> LBA=447001516
Are you sure this is not just a bad cable ? I have had similar
symptoms which was a result of a bad cable. If possible, swap the
cable between the 2 disks and see if it follows the cable.
---Mike
--------------------------------------------------------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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