On Mon, Aug 31, 2009 at 11:13 PM, Jonathan Nell<crtrn13@xxxxxxxxx> wrote:
> Is there any way to sniff the traffic of a scsi device? I need to
> debug a firmware update and need to see the traffic being passed to
> the drive
The ideal tool is a protocol analyzer for whatever transport the SCSI
device is attached to.
Here's the slide deck from a talk I once gave at OLS outlining the HW
debug tools:
http://iou.parisc-linux.org/ols_2001/slides/generated/
(and "SCSI" in that slide deck often means Parallel SCSI transport.)
Using the scsi_logging hooks described by Stefan Richter are often enough
to understand where in the process something is failing.
hth,
grant
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