Upgrading your HMC software
Learn how to upgrade the software on an HMC from one release to the next while maintaining your HMC configuration data.
To upgrade machine code on an HMC, perform steps 1-9.
Step 1. Obtain the upgrade
You can order the HMC machine code upgrade through the Fix Central website.
To obtain the upgrade through the Fix Central website, do the following:
Step 2. View the existing HMC machine code level
To determine the existing level of machine code on an HMC,
follow these steps:
- In the navigation area, click Updates.
- In the Work area, view and record the information that appears under the HMC Code Level heading, including the HMC version, release, maintenance level, build level, and base versions.
- Continue with Step 3. Back up the managed system's profile data.
Step 3. Back up the managed system's profile data
To back up the managed system's profile data, do the following:
- In the navigation area, select Systems Management.
- Select Servers.
- Select the server and ensure the state is Operating or Standby.
- Under Tasks, select .
- Type a backup file name and record this information.
- Click OK.
- Repeat these steps for each managed system.
- Continue with Step 4. Back up HMC data.
Step 4. Back up HMC data
Back up HMC data before installing a new version of HMC software
so that previous levels can be restored in the event of a problem
while upgrading the software. Do not use this critical console data
after a successful upgrade to a new version of the HMC software.
Note: To
back up to removable media, you will need to have that media available.
To back up HMC data, do the following:
Step 5. Record the current HMC configuration information
Before you upgrade to a new version of HMC software, as a
precautionary measure, record HMC configuration information.
To record the current HMC configuration, do the following:
Step 6. Record remote command status
To record remote command status, do the following:
- In the navigation area, select HMC Management.
- In the tasks list, click Remote Command Execution.
- Record whether the Enable remote command execution using the ssh facility check box is selected.
- Click Cancel.
- Continue with Step 7. Save upgrade data.
Step 7. Save upgrade data
You can save the current HMC configuration in a designated
disk partition on the HMC or to local media. Save upgrade data only
immediately prior to upgrading your HMC software to a new release.
This action allows you to restore HMC configuration settings after
upgrading.
Note: Only one level of backup data is allowed. Each time
you save upgrade data, the previous level is overwritten.
To save upgrade data, do the following:
Step 8. Upgrade the HMC software
To upgrade the HMC software, restart the system with the
removable media in the DVD drive.
Step 9. Verify that the HMC machine code upgrade installed successfully
To verify that the HMC upgrade installed successfully, do
the following:
- In the navigation area, click Updates. In the Work area, the HMC version, release, maintenance level, build level, and base versions are displayed under the HMC Code Level heading.
- Verify that the version and release match the update that you installed.
- If the level of code displayed is not the level that you installed, retry the upgrade task using a new DVD. If the problem persists, contact your next level of support.