The process of migrating your system includes the following high-level steps. Read the high-level steps first, then refer to the appropriate section in this chapter to perform the actual steps. Once you perform the steps, refer back to this section to determine which step to address next.
Preparing to migrate your system is a very important activity that you should not skip. It involves planning the migration carefully by examining your current configuration and the desired future configuration. Reading the migration information in the RS/6000 SP: Planning, Volume 2, Control Workstation and Software Environment is a prerequisite.
Refer to Preparing to migrate.
Before migrating your control workstation, you may need to apply specific PTFs to your nodes. Refer to the READ THIS FIRST document for a list of required PTFs.
Prior to migrating any of your nodes, you must migrate your control workstation to the latest level of AIX and PSSP of any node you wish to serve. For example, if you plan to migrate any node to AIX 4.3.3 and |PSSP 3.4, the control workstation must first be migrated to AIX 4.3.3 |or later AIX level and |PSSP 3.4.
To perform your control workstation migration, refer to Migrating the control workstation to PSSP 3.4.
|PSSP 3.4 is supported on both AIX 4.3.3 and AIX |5L 5.1. If you plan to migrate to PSSP 3.4 on AIX 5L |5.1, you must first migrate your control workstation to PSSP 3.4 |on AIX 4.3.3. After the control workstation migration to |PSSP 3.4 on AIX 4.3.3 is complete, you can then migrate |to AIX 5L 5.1.
|If you are using a version of General Parallel File System (GPFS) |prior to GPFS 1.3, do not enable DCE for SP Trusted Services until all |instances of GPFS are upgraded to GPFS 1.3 or later. Refer to |GPFS: Concepts, Planning, and Installation Guide for |additional information.
When you read the RS/6000 SP: Planning, Volume 2, Control Workstation and Software Environment and the section Preparing to migrate, one of the issues you needed to consider is whether you will need to partition your system. If you determined that you wanted to partition your system due to coexistence limitations, migration test purposes, or for any other reason, you should partition your system at this time. Refer to the "Managing system partitions" chapter of the PSSP: Administration Guide for instructions on how to partition your system. Make sure your system is working correctly before continuing. Also refer to RS/6000 SP: Planning, Volume 2, Control Workstation and Software Environment for more information.
If possible, you should migrate a single node to your target AIX level and |PSSP 3.4 before migrating all or a group of your nodes. This will allow you to gain experience with the migration, resolve any problem that might occur due to the migration, and help you determine how much time you will need to migrate all or a group of your nodes. You should use the control workstation as the boot/install server for this test node.
Refer to Paths to migrate the nodes to PSSP 3.4 for more information.
Prior to migrating any of your nodes, you must migrate the boot/install servers to the latest level of AIX and PSSP on any node you wish to serve. For example, if you want to migrate some nodes to AIX 4.3.3 |or later AIX level and |PSSP 3.4, you must first migrate these node's boot/install servers to AIX 4.3.3 and |PSSP 3.4.
Refer to Paths to migrate the nodes to PSSP 3.4 for more information.
Migrating the nodes is the final activity in the migration process.
Refer to Paths to migrate the nodes to PSSP 3.4 for more information.
This section discusses the activities you should perform after a successful migration and the recovery procedures you should perform if the migration process was not successful. It also discusses how to deinstall an AIX release or AIX PTF after a migration or upgrade.
Refer to Post-migration activity for more information.