Thread (6 messages) 6 messages, 2 authors, 2005-02-03

Re: libata todo item: retry certain classes of errors

From: Jeff Garzik <hidden>
Date: 2005-02-03 17:24:34

Alan Cox wrote:
On Mer, 2005-02-02 at 01:50, Jeff Garzik wrote:
quoted
Alan Cox wrote:
quoted
I did actually arrange that all the SCSI errors it faked caused the
right retry behaviour at the SCSI level when I did that. Perhaps I
should have commented that fact.
Well the retry needs to e.g. include a bus reset prior to retrying.

Thats possibly true for some situations. You might also want to avoid
issuing resets as much as you can because they are a rather good source
of "my drive
went away" error reports with the IDE layer (and they take forever).
libata does a reset at the beginning of the probe...

	Jeff


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