Problem with SSA Adapters after Migration from AIX 3.2.5 to 4.1.4


Environment

OS Level: AIX Version 4.1.4
Type/Model: 560

Problem

After a migration from AIX Version 3.2.5 to 4.1.4, the SSA disks are defined. This can be caused by conflicting 3.2.5 and 4.1.4 code for SSA on the system.

Solution

Solution Summary

The solution is to remove the device and the software and then reinstall the 4.1.4 version of the software. In performing these steps you might encounter the following issues.

If there are any SSA devices defined on the system, remove them. To check for the defined devices, execute:

        lsdev -C |grep ssa

To remove the devices, execute:

        rmdev -l ssaX -d

The following filesets also need to be removed:

 	devices.mca.8f97.com
 	devices.mca.8f97.diag
 	devices.mca.8f97.rte

To remove devices.mca.8f97.com and devices.mca.8f97.diag, execute:

 	cat /CD/usr/sys/inst.images/devices.ssa.disk | restore -xvqf-

Attempting to remove the fileset devices.ssa.disk.rte may fail, giving an error in the predefined database for device ssa0. Proceeding with the removal requires some ODM cleanup. Execute the following sequence of commands only if you are fully knowledgeable about this process.

	odmget CuAt | grep ssa0
  	odmdelete -q name=ssa0 -o CuAt
  	odmdelete -q name=ssa0 -o CuDv
  	odmget CuDep | grep ssa0
  	odmdelete -q value3=ssa0 -o CuDep
  	odmget CuDvDr | grep ssa0
  	odmget CuVPD | grep ssa0
  	lsdev -Cc adapter -- ssa0 is gone

History

An initial attempt to remove the filesets devices.mca.8f97.com, devices.mca.8f97.diag, and devices.mca.8f97.rte produced the following error:

 	0301-154: bosboot missing protofile /usr/lib/drivers/ssapin

The next effort was to remove devices.mca.8f97.* with the following command sequence:

 	mkdir /cd
 	mount -o ro -v cdrfs /dev/cd0 /cd
 	restore -xvqf /cd/usr/sys/inst.images devices.mca.8f97

The following error occurred:

 	0511-156 cannot find device information

The next command executed was:

 	cat /CD/usr/sys/inst.images/devices.mca.8f97 | restore -xvqf-

Then there was another attempt to remove the devices, and the following error occurred:

 	0301-154: bosboot missing protofile /usr/lib/drivers/ssadiskpin

The next effort was to remove devices.mca.8f97.* again with the following command sequence:

 	mkdir /cd
 	mount -o ro -v cdrfs /dev/cd0 /cd
 	restore -xvqf /cd/usr/sys/inst.images devices.ssa.disk.rte

The following error occurred:

 	0511-156 cannot find device information

Next this command was executed:

 	cat /CD/usr/sys/inst.images/devices.ssa.disk | restore -xvqf-

The filesets devices.mca.8f97.com and devices.mca.8f97.diag were successfully removed.




[ Doc Ref: 9332658716752     Publish Date: Aug. 20, 1999     4FAX Ref: none ]