Date: Wed, 12 May 2010 16:03:00 -0400 From: Mike Tancsa <mike@sentex.net> To: "A. Wright" <andrew@qemg.org> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Long I/O pauses on same mass storage Message-ID: <201005122003.o4CK34II080338@lava.sentex.ca> In-Reply-To: <alpine.BSF.2.00.1005121632520.64303@qemg.org> References: <alpine.BSF.2.00.1005121035480.64303@qemg.org> <201005121456.o4CEurEZ078671@lava.sentex.ca> <alpine.BSF.2.00.1005121632520.64303@qemg.org>
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At 03:48 PM 5/12/2010, A. Wright wrote:
>I just noticed, however, the following two interesting lines that
>/var/log/messages seems to have acquired:
> May 12 15:44:00 qemg kernel: ad8: FAILURE - SMART
> status=51<READY,DSC,ERROR> error=4<ABORTED>
> May 12 16:05:27 qemg kernel: swap_pager: indefinite wait
> buffer: bufobj: 0, blkno: 294, size: 8192
>The first dates from the point at which I turned on SMART data logging.
>The second one, however looks more interesting to me -- am I correct
>in thinking that there is no good reason why the "swap_pager" error
>would appear, aside from some sort of hardware related failure?
When I see errors from the OS, but not on the actual disk itself,
apart from driver errors (relatively rare on FreeBSD) it can be a
cable issue or bad SATA port.
But as chuck said, post all of the output from smartctl -a
---Mike
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