ServerNet Cluster Manual

Contents

ServerNet Cluster Manual—520575-003

4. Upgrading a ServerNet Cluster

Benefits of Upgrading 4-2

Benefits of Upgrading to G06.12 (Release 2) Functionality 4-2

Benefits of Upgrading to G06.14 (Release 3) Functionality 4-3

Benefits of Upgrading to G06.16 Functionality 4-3

Planning Tasks for Upgrading a ServerNet Cluster 4-4

Task 1: Identify the Current Topology 4-4

Task 2: Choose the Topology That You Want to Upgrade To 4-6

Task 3: Fill Out the Planning Worksheet 4-9

Task 4: Select an Upgrade Path 4-12

Upgrading Software to Obtain G06.12 Functionality 4-17

Upgrading Software Without System Loads to Obtain G06.12 Functionality 4-21

Upgrading Software With System Loads to Obtain G06.12 Functionality 4-25

Fallback for Upgrading Software to Obtain G06.12 Functionality 4-26

Fallback for Upgrading ServerNet Cluster Software Without a System Load to

Obtain G06.12 Functionality 4-26

Fallback for Upgrading ServerNet Cluster Software With System Loads to Obtain

G06.12 Functionality 4-30

Upgrading Software to Obtain G06.14 Functionality 4-34

Upgrading Software Without System Loads to Obtain G06.14 Functionality 4-35

Steps for Upgrading Software Without System Loads to Obtain G06.14

Functionality 4-38

Upgrading Software With System Loads to Obtain G06.14 Functionality 4-42

Steps for Upgrading Software With System Loads to Obtain G06.14

Functionality 4-45

Fallback for Upgrading Software to Obtain G06.14 Functionality 4-50

Merging Clusters to Create a Split-Star Topology 4-54

Example: Merging Two Star Topologies to Create a Split-Star Topology

4-54

Steps for Merging Two Star Topologies to Create a Split-Star Topology

4-60

Connecting the Four-Lane Links 4-64

Fallback for Merging Clusters to Create a Split-Star Topology 4-66

Merging Clusters to Create a Tri-Star Topology 4-68

Example: Merging Three Star Topologies to Create a Tri-Star Topology 4-68

Steps for Merging Three Star Topologies to Create a Tri-Star Topology 4-73

Example: Merging A Split-Star Topology and a Star Topology to Create a Tri-Star

Topology 4-78

Steps for Merging a Split-Star Topology and a Star Topology to Create a Tri-Star

Topology 4-82

Connecting the Two-Lane Links 4-87

Fallback for Merging Clusters to Create a Tri-Star Topology 4-89