Introduction

Thank you for your interest in PowerHA SystemMirror for Linux Release 7.2.2 SP 1.

You must check the following link for the detailed steps regarding PowerHA installation and configuration:

https://www.ibm.com/support/knowledgecenter/en/SSSJDR_7.2.2/com.ibm.powerha.linux.navigation/ha_linux_welcome.htm

Given below are the basic steps to follow for installing PowerHA Linux.

Extracting PowerHA Release

Extract the PowerHA SystemMirror PowerHA_7.2.2_Linux64.tar.gz file by entering the command:
tar -xvf <tar file>
cd PHA7221Linux64


Prerequisites

Before you install PowerHA SystemMirror in your Linux environments, you must ensure that all prerequisites are met.

SLES Prerequisites:
- KSH93 (ksh-93vu-18.1.ppc64li) and PERL packages are required on SLES systems.
Note: You must use the ksh93vu version suggested by SUSE.
Download the KSH93 package from the SUSE website.
(https://download.suse.com/Download?buildid=rGDRqNAcHLU~)
The downloaded files contain an SRC package for ksh-93vu-18.1.src.rpm that needs to be compiled to get ksh-93vu-18.1.ppc64le.rpm. To know more about RPM packages, check the SUSE technical notes (Section 6.2.5 Installing and Compiling Source Packages) at the SUSE Documentation website.
(https://www.suse.com/documentation/sles-12/singlehtml/book_sle_admin/book_sle_admin.html)

RHEL Prerequisites:
- KSH93 (ksh-20120801), PERL, Bzip2, nfs-utils, bind-utils, sg3_utils, lvm2, lsscsi and perl-Pod-Parser are required on RHEL systems.

Also, make sure that either the network firewall is disabled or the following ports are enabled on all nodes:

NAMEPORT #
RSCT RMC (TCP) 657
RSCT RMC (UDP) 657
RSCT HATS (UDP) 12347
RSCT HAGS (UDP) 12348
CLCOMD (TCP) 16191
Events (TCP) 12143
Events (UDP) 12143


Prerequisites validation

You can check the status of the prerequisites using the installPHA script:
./installPHA --onlyprereqcheck

Installation

Once you have verified that the prerequisites are available you can then install PowerHA SystemMirror for Linux with:
./installPHA

You will be prompted to read and accept the terms and conditions of the Software License Agreement at the time.

Uninstallation

Should you ever need to uninstall PowerHA SystemMirror for Linux, you can use:
./uninstallPHA

Installation and Uninstallation traces

The Installation and uninstallation process is traced in the following logs:
/tmp/installPHA.<#>.log
/tmp/uninstallPHA.<#>.log