ServerNet Cluster Manual

Contents
ServerNet Cluster Manual—520575-003
ii
2. Planning for Installation
ServerNet Cluster Software Overview 1-33
SNETMON and the ServerNet Cluster Subsystem 1-33
MSGMON 1-37
NonStop Kernel Message System 1-38
SANMAN Subsystem and SANMAN 1-38
Expand 1-39
OSM and TSM Software 1-44
SCF 1-45
Part II. Planning and Installation
2. Planning for Installation
Using the Planning Checklist 2-1
Planning for the Topology 2-8
Considerations for Choosing a Topology 2-8
Software Requirements for the Star, Split-Star, and Tri-Star Topologies 2-9
Subsets of a Topology 2-9
Planning for Hardware 2-9
Cluster Switches Required for Each Topology 2-9
Alternate Cluster Switch Packaging 2-10
Two Fiber-Optic Cables Needed for Each Server 2-10
Fiber-Optic Cables for Multilane Links 2-10
Fiber-Optic Cable Information 2-11
Two MSEBs Needed for Each Server 2-13
Planning for Floor Space 2-18
Locating the Servers and Cluster Switches 2-19
Floor Space for Servicing of Cluster Switches 2-21
Planning for Power
2-22
Planning for Software
2-23
Minimum Software Requirements 2-23
SP Firmware Requirement for Systems With Tetra 8 Topology 2-26
Verifying the System Name, Expand Node Number, and Time Zone Offset 2-26
Planning for Compatibility With Other Expand Line Types 2-26
Planning for Serviceability 2-27
Planning for the System Consoles 2-27
Planning for the Dedicated OSM or TSM LAN 2-27