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Re: [Xen-devel] [PATCH 0/6] pvSCSI (SCSI pass through) driver


On Mon, 2007-11-05 at 11:05 +0900, Jun Kamada wrote:

> We also recognize that more sophisticated interface is needed. WWPN can
> be used for FC-SCSI, however pure SCSI does not have any unique ID.
> Do you have any idea?

Well... Linux does try to use address-by-content to some extent, but
that's going to be fragile here, as well.  It's complicated even more by
the difficulty of having potential multipath in the mix.

libblkid has some helpful functions for certain cases, but that doesn't
help at all for the bootstrap cases when you're dealing with completely
unformatted disks.

The libvirt folks have been wrestling with some of the same questions
recently, libvirt-devel may have some useful discussion.


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