Re: sniffing scsi

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On Sun, Jan 15, 2012 at 11:54 AM, James Courtier-Dutton
<james.dutton@xxxxxxxxx> wrote:
> Is it possible to monitor scsi messages on a particular bus.
> E.g. Attach to /dev/sda or /dev/sr0 and capture all messages going between them.
> Ideally, in such a way that wireshark can capture it.
> We can do this for Ethernet and USB, but I cannot find SCSI bus capture.

Depends on the SCSI bus type. CDBs without transport information do
not provide enough information for SCSI transports supporting I/O
depth > 1. As far as I know the only SCSI transport type currently
supported by Wireshark is iSCSI. The first step when adding support
for another SCSI transport would be to define a new libpcap link-layer
header type. See also http://www.tcpdump.org/linktypes.html.

Bart.
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