1. Release Notes for Oracle Linux 9.4
  2. New Features and Changes
  3. High Availability and Clusters

High Availability and Clusters

The following features, enhancements, and changes related to high availability are introduced in this Oracle Linux 9 release.

pcs Adds Time Properties Related to the ISO 8601 Duration Specification

The pcs Corosync and Pacemaker configuration tool now includes values for Pacemaker time properties related to the ISO 8601 duration specification standard.

pscd Adds Web UI Features

pscd is a pcs daemon that operates as a remote server for pcs. pscd's Web UI now includes:

  • Moving a cluster resource off the node on which it is currently running

  • Banning a resource from running on a node

  • Displaying cluster status that shows the age of the cluster status and when the cluster state is being reloaded

  • Requesting a reload of the cluster status display

pcsd TLS Cipher List Defaults to System-Wide Crypto Policy

Previously, the pcsd TLS cipher list was set to DEFAULT:!RC4:!3DES:@STRENGTH by default. With this update, the cipher list is defined by the system-wide crypto policy by default. The TLS ciphers accepted by the pcsd daemon might change with this upgrade, depending on the currently set crypto policy. For more information about the crypto policies framework, see the crypto-policies(7) man page.