User's Guide

information about the Package Easy Deployment feature, see Using Easy Deployment in Serviceguard
and Metrocluster Environments available at http://www.hp.com/go/hpux-serviceguard-docs —>
HP Serviceguard.
The advantage offered by the Package Easy Deployment feature is that none of the Metrocluster
module parameters have to be entered by the user in the modular package configuration file. The
appropriate Metrocluster module along with proper values for its parameters is inserted into the
package configuration file automatically based on the type of disks used by the supported toolkit
application.
If the disks used are HP StorageWorks Continuous Access EVA disks and are replicated, then the
dts/mccaeva module is automatically inserted into the package configuration file.
The following dts/mccaeva parameters are auto-discovered:
• DR_GROUP_NAME
• DC1_STORAGE_WORLD_WIDE_NAME
• DC1_SMIS_LIST
• DC1_HOST_LIST
• DC2_STORAGE_WORLD_WIDE_NAME
• DC2_SMIS_LIST
• DC2_HOST_LIST
• dts/dts/dts_pkg_dir is automatically set to /etc/cmcluster/<package_name>
The default values are used for rest of the dts/mccaeva module attributes.
The following prerequisites and limitations apply in package easy deployment for Metrocluster
with Continuous Access EVA:
Prerequisite
1. The replication pair should be created.
2. A supported version of the evainfo tool must be installed.
3. The Metrocluster version in all nodes of the cluster must have PHSS_41660 or later.
4. The /etc/dtsconf/caeva.map file must be created and distributed. This file is created
using the smispasswd and evadiscovery tools that are a part of Metrocluster with
Continuous Access EVA.
5. The SMIS servers must be up and reachable.
Limitations
1. The node name in the Command View (EVA array management tool) should be same as the
node name in the cluster configuration file.
2. The active management server should be listed in the CAEVA.map file.
3. This is not supported on Metrocluster configurations having HP Integrity Virtual Machines
guests as Serviceguard nodes.
4. If enclosure based naming scheme is used by Veritas Volume manager, package easy
deployment of Metrocluster packages is not supported.
Adding a Node to a Metrocluster
To add a node to Metrocluster:
1. Add the node in a cluster by editing the Serviceguard cluster configuration file and applying
the configuration:
# cmapplyconf -C cluster.config
2. Copy the storage map file /etc/dtsconf/caeva.map from one of the existing nodes to the
newly added node:
244 Building Disaster Recovery Serviceguard Solutions Using Metrocluster with Continuous Access EVA