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change Instance number of ext_bus

 
Jurgen Ponds
Occasional Contributor

change Instance number of ext_bus

Hello

I have the following ext_bus instance numbering.

Class I H/W Path Driver S/W State H/W Type Description
==================================================================================
ext_bus 0 0/0/1/0 c720 CLAIMED INTERFACE SCSI C895 Fast Wide Single-Ended
ext_bus 1 0/0/2/0 c720 CLAIMED INTERFACE SCSI C875 Ultra Wide Single-Ended
ext_bus 2 0/0/2/1 c720 CLAIMED INTERFACE SCSI C875 Ultra Wide Single-Ended
ext_bus 44 0/2/0/0.107.107.19.0 fcparray CLAIMED INTERFACE FCP Array Interface
ext_bus 48 0/2/0/0.107.107.19.1 fcparray CLAIMED INTERFACE FCP Array Interface
ext_bus 45 0/2/0/0.107.107.255.1 fcpdev CLAIMED INTERFACE FCP Device Interface
ext_bus 46 0/2/0/0.109.107.19.0 fcparray CLAIMED INTERFACE FCP Array Interface
ext_bus 47 0/2/0/0.109.107.255.1 fcpdev CLAIMED INTERFACE FCP Device Interface
ext_bus 49 0/8/0/0 c720 CLAIMED INTERFACE SCSI C895 Ultra2 Wide LVD
ext_bus 19 0/10/0/0.2.27.255.0 fcpdev CLAIMED INTERFACE FCP Device Interface
ext_bus 38 1/0/0/0.21.31.0.0 fcparray CLAIMED INTERFACE FCP Array Interface
ext_bus 39 1/0/0/0.21.31.255.0 fcpdev CLAIMED INTERFACE FCP Device Interface
ext_bus 42 1/0/0/0.23.31.0.0 fcparray CLAIMED INTERFACE FCP Array Interface
ext_bus 43 1/0/0/0.23.31.255.0 fcpdev CLAIMED INTERFACE FCP Device Interface
ext_bus 50 1/2/0/0 c720 CLAIMED INTERFACE SCSI C895 Ultra2 Wide LVD

I want to change the Instance number of 49 and 50 to 10 and 11.
When I do an ioinit it tells me that the numbers 10 and 11 already exists, while they are not listed with ioscan.

The system is a HP9000/N4000 with HP-UX11.00.

How can I solve this issue?
1 REPLY 1
Luk Vandenbussche
Honored Contributor

Re: change Instance number of ext_bus

Hello,

Create file 'infile' with the following info

0/8/0/0 ext_bus 10
1/2/0/0 ext_bus 11

Then execute the following command

ioinit -f infile -r

This commmand reboots the server immediatly, after the reboot the instance numbers has changed