Caution
No system configuration changes should be made during an upgrade. If such a change is made, this change is not included in the new software release, and, therefore, the system may not behave as expected.
Warning
Upgrading from more than 2 previous major releases is not supported. For example, the minimum requirement to upgrade to DSC 21.0 is DSC 18.0.
Before you start the software upgrade, complete the following tasks.
Prerequisites
- You have planned the upgrade as per the guidance in Plan the Maintenance Window for a DSC 8000 Software Upgrade.
- Have sufficient permissions to log onto the system as root user.
Workflow
| Step | Action | Procedure |
|---|---|---|
| 1 | Before you upgrade the software on your system, it is recommended that you execute the pre-upgrade check procedure provided in this section. This procedure requires about fifteen minutes to complete depending on your system configuration. | Execute the Pre-upgrade Checks |
2 | Ensure that the network is provisioned as required. | DSC 8000 Network Provisioning |
3 | Collect common system status information. | |
4 | Run a complete system backup and stored the backed up files on another server or a USB key that is accessible. | Back Up Systems |
5 | Plan sufficient time to complete the upgrade. The upgrade depends on the number of CPU cards in the system. Each CPU card upgrade requires about 10 minutes. | |
6 | Verify that all system cards are functioning as expected. | |
7 | Verify that the PCE configuration is ready for a software upgrade. Note: This step is only applicable if you have PCE licensed on your system. | Verifying the PCE Configuration |
8 | Verify and upload the license. | Upgrade the DSC 8000 License |
Overview
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