HP Secure Key Manager - Manual (Page 96)

Upgrading to a patch release
Patch releases are lightweight; customers do not have to re-qualify an entire release. All patches are
cumulative, which means that the functionality in patch one exists in patch two, and so on. Because
patches are cumulative, we recommend that you always install the most recent patch.
IMPORTANT:
You must be running the base release upon which the patch is built before upgrading to the patch
release. You cannot upgrade directly from a previous base release to a patch.
If you receive a software patch from HP, follow the installation instructions that come with it.
Rolling back software
Occasionally it is necessary to roll back software to a previous version. The SKM allows you to roll back
one version of the software. As such, we recommend that you avoid doing multiple patch upgrades on
the same base release. Instead, roll back from the patch release to the base release before doing the
upgrade to the patch release.
NOTE:
The software rollback process can be performed from the CLI only; it cannot be performed from the
Management Console.
IMPORTANT:
Before performing a software rollback, it is very important that you create a backup of your existing
configuration. In most cases, you can restore a backup after you have done the software rollback. If
some features are supported in the more recent version of the software and not the base version you are
rolling back to, those features will not be available after the software rollback.
System Health page
The System Health feature provides information about the SKM’s power supplies and cooling fans.
When the SKM detects a change in the status of a power supply unit or cooling fan, the System Health
page reflects the change and displays a warning message if appropriate. In addition, if your system
is configured for SNMP, the SKM sends an SNMP trap to the SNMP Management Station indicating
the change in status.
This page contains the following sections:
• Refresh Page
• Power Supply Status
• Cooling Fan Status
Refresh page
The Refresh Page section controls how frequently the System Health page is refreshed. When the page is
refreshed, the values displayed on the page are updated. The refresh interval you specify on the System
Health page does not affect the refresh interval on the CLI.
96 Maintaining the SKM