mpxio only supports sun branded (emulex and qlc cards with Sun firmware)
HBAs. This is what I was told by Sun.

"Bob" <ftoomch@gmail.com> wrote in message
news:46029cc2$0$17533$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
> Hi,
>
> I am trying to install Solaris 10 u3 x86 onto a 64 bit IBM HS20 blade.
>
> All our blades have, as their only "disks", a 2 fibrechannel paths to our
> 3pardata SAN backend.
>
> I'd like to use these 2 paths in a round robin fashion via mpxio that's
> built into Solaris, but it doesn't seem supported be default.
>
> Obviously when I try to install both paths appear as separate disks in the
> partitioning section of the installer.
>
> I have had some limited success by putting the lines:
>
> device-type-scsi-options-list =
> "3PARdataVV", "symmetric-option";
> symmetric-option = 0x1000000;
>
> into my x86.miniroot's /kernel/drv/scsi_vhci.conf. This lets me see the
> single multipathed volume in the installer, but it breaks when I try to do
> a reboot after the install is finished. It doesn't seem to transfer to the
> actual install, therefore the box just reboots after it runs Grub and
> tries to boot the kernel.
>
> I have also tried to turn on multipathing after installation, but due to a
> lack of stmsboot on x86 I've hit a brick wall and am not sure what to do.
>
> Can someone please shed some light on this for me if you have experience
> booting from unsupported (by default) multipath volumes?
>
> Clues and tips from people who have never tried this are also welcome.
>
> I'd preferably like to solve this via jumpstart (since I tftpboot install)
> rather than hacking package files and my x86.miniroot and I'd also like to
> not have to reconfigure each host after install, I'd rather have the
> installer work for my setup.
>
> Any ideas?
>
> Thanks,
> B