HBA SCSI Controller number instance

How do I control the SCSI controller number for an HBA?
Inserted identical HBAs into two Ultra 5 (same PCI slot #1), to begin building a test cluster.
The primary Sun comes up with c1t17d0 the secondary comes up with c2t17d0.
On the secondary I've removed the /etc/path_to_inst and c2t17 links on /dev/dsk & rdsk, rebooted -ar and it still comes up as c2t17...
Any ideas would be appreciated.

Hi there,
you could try this..
1)
Backup /etc/path_to_inst and then modify the file such that the only
scsi references that exist are for the boot drive. Remove all of the
"pcipsy" and "glm" entries except for the one that is used by the controller
that has the boot drive. KEEP A NOTE OF THE PHYSICAL PATH OF THE CONTROLLER
YOU WANT TO RENUMBER.
2)
Remove all /dev/dsk/cN* and /dev/rdsk/cN* where N is the controller number(s)
you want to nuke and possibly the number(s) of the controller that no longer
exists
3)
Remove all /dev/cfg/cN for all N EXCEPT the controller with the boot drive.
4)
Remove /devices for the controller you want to renumber, as indicated
in step 1.
5)
Remove /dev/sdNN* that symbolically link to controllers you don't want
anymore. (These are compatibility devices only.)
6)
Boot with "-srv" option.
Regards,
Chris

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