Preinstallation of Db2
pureScale Feature
(Linux)
To prepare your environment for the installation
of the Db2
pureScale Feature
in the supported Linux® environments,
you must perform several tasks to be able to complete the installation
process successfully.
Installation prerequisites for Db2 pureScale Feature (Intel Linux)
This document applies only to Linux distribution on hardware based on Intel. Before you install IBM® Db2 pureScale Feature , you must ensure that your system meets the installation prerequisites.
Installation prerequisites for Db2 pureScale Feature (Power Linux)
Before you install IBM Db2 pureScale Feature on Power®, you must ensure that your system meets the installation prerequisites.
Installation prerequisites for the Db2 pureScale environment in a virtual machine (Intel Linux)
Before you install the IBM Db2 pureScale environment, you must ensure that your system meets the following network, hardware, firmware, storage, and software requirements. You can use the db2prereqcheck command to check the software and firmware prerequisites of a specific Db2 version.
Installation prerequisites for the Db2 pureScale Feature (Linux on IBM Z)
Before you install the IBM Db2 pureScale Feature , you must ensure that your system meets the installation prerequisites.
Modifying kernel parameters (Linux)
For root installations, the database manager uses a formula to automatically adjust kernel parameter settings and eliminate the need for manual updates to these settings.
Configuring communication adapter ports and switches (Linux)
The topics in this section detail how to configure communication adapter ports and switches on supported Linux operating systems. The configuration process is dependent on your network.
Installing and setting up OpenSSH
This task describes how to obtain and setup Open Secure Shell (OpenSSH).
Shared storage support for Db2 pureScale environments
Shared storage devices supported by IBM Db2 pureScale Feature are divided into three categories. These categories group storage devices and multipath I/O driver pairs based on two storage features.
Creating required users for a Db2 pureScale Feature installation
A Db2 pureScale environment requires a user ID for the instance owner, a non-root user ID to use a secure shell (SSH) network protocol between hosts, and another to run fenced user-defined functions or procedures.
Preinstallation checklist for Db2 pureScale Feature (Linux)
Perform the following preinstallation steps and verify them on each host before installing the IBM Db2 pureScale Feature .
Checking installation prerequisites by using the db2prereqcheck command
You can use the db2prereqcheck command to check the software prerequisites of a specific Db2 version, generate a report file, and execute other tasks.