HP 3PAR Cluster Extension Software Administrator Guide (5697-2047, June 2012)

cmrunpkg –v –n cluster_node package_name
Where cluster_node is the name of the cluster node running the package, and package_name is
the name of the package. The following commands enable and start the Serviceguard package,
CLXWEB.
#cmmodpkg –e -n Host1 CLXWEB
#cmrunpkg –v –n Host1 CLXWEB
Halting an HP Serviceguard for Linux package
If there is a maintenance stop of the package, you must disable package switching.
To disable and halt a package configured with HP 3PAR Cluster Extension, use the following HP
Serviceguard for Linux commands:
cmmodpkg –d package_name
cmhaltpkg –v package_name
For example:
#cmmodpkg –d CLXWEB
#cmhaltpkg –v CLXWEB
Removing HP 3PAR Cluster Extension from an HP Serviceguard package
You can use the CLI to remove HP 3PAR Cluster Extension from a Serviceguard package, as
described in “Removing HP 3PAR Cluster Extension from an HP Serviceguard package (CLI)”
(page 62)
Removing HP 3PAR Cluster Extension from an HP Serviceguard package (CLI)
This procedure uses the CLI to remove HP 3PAR Cluster Extension from an existing Serviceguard
package.
To delete the HP 3PAR Cluster Extension software from a package:
1. Halt the package and disable package switching.
cmhaltpkg package_name
cmmodpkg –d package_name
Where package_name is the name of the package. For example:
cmhaltpkg CLXWEB
cmmodpkg –d CLXWEB
2. Remove the CLX config file, CLX3PAR.config, which is located in the /etc/opt/
hpclx3par/conf/ package directory on all cluster nodes.
3. Comment out or change the value of clx/clxsg/data_rep in the package configuration
file USER_DEFINED_DIR/USER_DEFINED_FILE from clx3par to none, and then copy it to
the USER_DEFINED_DIR directory on all other cluster nodes. For example:
clx/clxsg/data_rep none
Rescanning multipath devices
IMPORTANT: The information in this section applies to Device Mapper Multipath Software users
only.
When a Remote Copy volume group failover occurs, the permission settings of the LUs in the Remote
Copy volume group change from read-only to read-write at the destination site. In Linux
configurations with the Device Mapper Multipath Software, the hosts do not dynamically detect
the LU permission change. In this situation, the disks used in the HP 3PAR Cluster Extension setup
62 Configuring HP 3PAR Cluster Extension for Linux