imminent disk failure ?

[ALeine]

security at revolutionsp.com wrote: 
 
> /kernel: ad0: READ command timeout tag=0 serv=0 - resetting
>
> Could this message mean this disk is giving its last breaths ?

Check to see if some part of the system is not overheating due to
a failed fan somewhere. Also check the cabling and the SMART status
of the drive. There were some issues with DMA and UDMA133 mode, so
you may want to try to rule out those as possible causes first by
putting hw.ata.ata_dma=0 into /boot/loader.conf and forcing UDMA100
mode with atacontrol(8) (see man 8 atacontrol for details).

BTW, you may want to consider posting such questions to
freebsd-questions at freebsd.org in the future as this is not the
most appropriate list for such questions.

ALeine
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