Continentalclusters Version A.08.00 Release Notes, September 2010 (T2346-90014)

IMPORTANT: A mixed cluster configuration, in which one cluster is configured with
the IPv4 protocol, and the other cluster with the IPv6 protocol, is not supported.
Enhanced Security Infrastructure
Continentalclusters version A.08.00 uses a secure infrastructure. The following
components are used in Continentalclusters A.08.00:
• Continentalclusters User and Group
Continentalclusters version A.08.00 uses Secure Shell (SSH) for all inter-cluster
and node communication. A special Continentalclusters user, conclusr and
group, conclgrp are used for all communication over SSH. This
Continentalclusters user and the group are automatically created when
Continentalclusters version A.08.00 is installed on a node. You must specify a
password for this user on all nodes in the primary and recovery clusters. When a
node is no longer part of Continentalclusters configuration, remove this user from
the node.
• Continentalclusters Configuration Package
Continentalclusters version A.08.00 stores configuration information in a special
package on the primary and recovery clusters. This package is named ccconfpkg
and is automatically created on the primary and recovery clusters when a
Continentalclusters configuration file is applied using the cmapplyconcl
command. This package is deleted on all clusters when the Continentalclusters
configuration is removed using the cmdeleteconcl command
IMPORTANT: Do not modify, delete, start, or stop this package using Serviceguard
commands.
Support for Modular Packages
Starting with Continentalclusters Version A.08.00, it is recommended to configure
packages in a recovery group as modular style packages. The Continentalclusters
monitor package on the recovery cluster can be configured as a modular package using
the Continentalclusters supplied modular configuration file template. Other packages
in the primary and recovery cluster which are configured in a recovery group as
PRIMARY_PACKAGE, RECOVERY_PACKAGE, REHEARSAL_PACKAGE, DATA_SENDER or
DATA_RECEIVER package can also be configured as modular packages using the
Serviceguard supported modules.
When using any of the pre-integrated physical replication such as Continuous Access
XP, Continuous Access EVA or EMC Symmetrix SRDF, modular packages configured
as primary or recovery packages must include the appropriate replication specific
module for the Continentalclusters environment.
What’s In This Version 7