Hannes Reinecke wrote:
> Hi all,
> 
> I've hacked up scsi_debug to support REPORT TARGET PORT GROUPS.
> In combination with vpd_use_hostno=0 it'll now support multipathing
> nicely.
> Doug, there is reference to port_a and port_b in the VPD page support.
> However, port_b appearently is just a fake entry with no (virtual)
> device backing.
> We could eg use the 'channel' value to refer the relative port number,
> so that host & channel act as a fan-out for multipathing.
> 
> James, please apply.

Not quite yet ...

Hannes,
Here is my counter patch for you to consider.
I suspect my machine was running into stack
problems so I moved some arrays onto the heap.

You will see some other small changes if you
compare the two patches. My patch is against
lk 2.6.19-rc2

Doug Gilbert