HP Serviceguard Extended Distance Cluster for Linux A.01.01 Deployment Guide, Third Edition, May 2008

Contents
4
Using Persistent Device Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Creating a Multiple Disk Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Creating and Assembling an MD Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Creating Volume Groups and Configuring VG Exclusive Activation on the MD Mirror.
72
Configuring the Legacy Package Control Script and RAID Configuration File. . . . . . 74
Creating and Editing the Legacy Package Control Scripts . . . . . . . . . . . . . . . . . . . . 75
Editing the raid.conf File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
4. Migrating to HP Serviceguard A.11.18
Overview of HP Serviceguard A.11.18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Modular Method for Configuring Packages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Upgrading to HP Serviceguard A.11.18 and XDC A.01.01 . . . . . . . . . . . . . . . . . . . . . . 86
To Upgrade to HP Serviceguard A.11.18 and XDC A.01.01. . . . . . . . . . . . . . . . . . . . 86
Configuring Modular Packages for Extended Distance Cluster Software . . . . . . . . . . 88
Creating an XDC Modular Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
5. Disaster Scenarios and Their Handling
A. Managing an MD Device
Viewing the Status of the MD Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Stopping the MD Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Starting the MD Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Removing and Adding an MD Mirror Component Disk . . . . . . . . . . . . . . . . . . . . . . . 109
Adding a Mirror Component Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110