HP XC System Software Administration Guide Version 4.0

2 Improved Availability...................................................................................................45
2.1 Purpose of the Availability Tool......................................................................................................45
2.2 Services Eligible for Improved Availability....................................................................................45
2.3 Availability Sets...............................................................................................................................46
2.3.1 Determining Which Nodes Are in the Availability Set...........................................................46
2.3.2 Reconfiguring an Availability Set............................................................................................46
2.4 HP Serviceguard Tasks....................................................................................................................47
2.4.1 Viewing the Serviceguard Cluster Status................................................................................47
2.4.2 Moving Packages.....................................................................................................................48
2.4.3 Reimaging Nodes in the Availability Set................................................................................49
2.5 Transferring Control of Services......................................................................................................49
3 Starting Up and Shutting Down the HP XC System..................................................51
3.1 Understanding the Node States......................................................................................................51
3.2 Starting Up the HP XC System........................................................................................................52
3.2.1 Starting All Nodes...................................................................................................................53
3.2.2 Determining Which Nodes Require Imaging.........................................................................53
3.2.3 Imaging and Starting Nodes...................................................................................................53
3.2.4 Restarting a Node for Imaging................................................................................................54
3.3 Shutting Down the HP XC System..................................................................................................54
3.4 Shutting Down One or More Nodes...............................................................................................55
3.5 Determining a Node's Power Status................................................................................................55
3.6 Locating a Given Node....................................................................................................................55
3.7 Disabling and Enabling a Node......................................................................................................56
4 Managing and Customizing System Services...........................................................57
4.1 HP XC System Services...................................................................................................................57
4.2 Displaying Services Information.....................................................................................................59
4.2.1 Displaying All Services...........................................................................................................59
4.2.2 Displaying the Nodes That Provide a Specified Service.........................................................60
4.2.3 Displaying the Services Provided by a Specified Node..........................................................60
4.3 Restarting a Service.........................................................................................................................61
4.4 Stopping a Service...........................................................................................................................62
4.5 Global System Services....................................................................................................................62
4.6 Customizing Services and Roles.....................................................................................................62
4.6.1 Overview of the HP XC Services Configuration.....................................................................63
4.6.2 Service Configuration Sequence of Operation........................................................................64
4.6.3 Assigning Roles with the cluster_config Utility......................................................................64
4.6.4 The *config.d Directories.........................................................................................................64
4.6.5 Configuration Scripts..............................................................................................................65
4.6.5.1 The sconfigure Scripts.....................................................................................................65
4.6.5.2 The gconfigure Scripts.....................................................................................................66
4.6.5.3 The nconfigure Scripts....................................................................................................69
4.6.5.4 The cconfigure Scripts.....................................................................................................69
4.6.6 Understanding Global Configuration Scripts.........................................................................69
4.6.7 Advance Planning...................................................................................................................70
4.6.8 Editing the roles_services.ini File............................................................................................70
4.6.9 Creating a service.ini File.........................................................................................................71
4.6.10 Adding a New Service...........................................................................................................74
4.6.10.1 Adding a Service to an Existing Role............................................................................74
4.6.10.2 Creating a New Role and Adding a Service to It..........................................................75
4.6.11 Verifying a New Service........................................................................................................76
4 Table of Contents