Red Hat Enterprise Linux (RHEL) 7.7–8.2 and SUSE Linux Enterprise Server (SLES) 12 SP4–15 SP2.

Before initiating an update to Composer 5.4, HPE recommends several critical maintenance steps:

In a high-availability (HA) setup, the standby appliance updates first while the active appliance continues to monitor the environment. This reduces management downtime by over 75% .

If the standby appliance fails to complete an update, it automatically reverts to the previous version to prevent system failure.

Download this tool from hpe.com/support/ov-urc to evaluate appliance health before proceeding.