Soren Schmidt writes:
 > It seems [EMAIL PROTECTED] wrote:
 > > I've got a striped vinum partition that is occasionally going stale when
 > > I get spurrious errors from the ata driver.
 > > 
 > > I can setstate the drives and the volume back up and an fsck of the
 > > partition doesn't show any obvious corruption.
 > > 
 > > What do these errors indicate?
 > > 
 > > ad5: status=51 error=84
 > > ad_interrupt: hard error
 > > vinum0.p0.s3: fatal read I/O error
 > > ad6: status=51 error=84
 > 
 > These are UDMA CRC errors, if you upgrade to the latest current, ata
 > knows to retry these, only if they persist, something is wrong.
 > However it could indicate cable problems, ie bad connectors or maybe
 > too long cables..
 > 

He said the disk was attached to a Promise Ultra/33.  Does the
backdown to PIO on Promise Ultra controllers work now?  I've been
watching the commits to the ata driver, and haven't seen anything that
makes me think that it would.. but I haven't tried it since last week.


Thanks,

Drew

------------------------------------------------------------------------------
Andrew Gallatin, Sr Systems Programmer  http://www.cs.duke.edu/~gallatin
Duke University                         Email: [EMAIL PROTECTED]
Department of Computer Science          Phone: (919) 660-6590


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