Hardware Requirements; Software Requirements; Shared Disk System Requirements - Novell SUSE LINUX ENTERPRISE SERVER 10 SP2 HEARTBEAT Manual

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2.1 Hardware Requirements

The following list specifies hardware requirements for a Heartbeat cluster. These re-
quirements represent the minimum hardware configuration. Additional hardware might
be necessary, depending on how you intend to use your Heartbeat cluster.
• A minimum of two Linux servers. The servers do not require identical hardware
(memory, disk space, etc.).
• At least two communication media (Ethernet, etc.) that allow cluster nodes to
communicate with each other. The communication media should support a data
rate of 100 Mbit/s or higher.
• A STONITH device.

2.2 Software Requirements

Ensure that the following software requirements are met:
• SLES 10 with all available online updates installed on all nodes that will be part
of the Heartbeat cluster.
• The Heartbeat software package including all available online updates installed to
all nodes that will be part of the Heartbeat cluster.

2.3 Shared Disk System Requirements

A shared disk system (Storage Area Network, or SAN) is recommended for your cluster
if you want data to be highly available. If a shared disk subsystem is used, ensure the
following:
• The shared disk system is properly set up and functional according to the manufac-
turer's instructions.
14 Heartbeat