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PowerPath for UNIX Installation and Administration Guide
iii
Preface............................................................................................................................. ix
Chapter 1 Installing PowerPath
Before You Install ............................................................................. 1-2
Obtain Up-To-Date Information............................................. 1-2
Choose a Convenient Time ..................................................... 1-2
Locate Your License Key ......................................................... 1-3
Prepare the Host and Storage System ................................... 1-3
Prepare For a Clustered Environment................................... 1-5
Installing PowerPath 4.0 ................................................................. 1-6
Upgrading to PowerPath 4.0........................................................ 1-10
About Upgrading ................................................................... 1-10
Upgrading From PowerPath 3.0.x or 2.1............................. 1-11
Troubleshooting the Upgrade............................................... 1-15
After You Install ............................................................................. 1-16
Register PowerPath on the Host........................................... 1-16
Remove the CD-ROM ............................................................ 1-17
Reboot the Host....................................................................... 1-17
Verify the PowerPath Installation........................................ 1-18
Verify the PowerPath Commands Are in Your Path ......... 1-19
Verify PowerPath Devices Are Configured on the Host... 1-19
Reconfigure Applications to Use emcpower Devices ....... 1-20
Installing the PowerPath Volume Manager VCS Agent .......... 1-21
Error Messages ............................................................................... 1-23
Chapter 2 PowerPath in a Cluster Environment
PowerPath in a Legato 5.1 (or later) AAM Cluster..................... 2-2
Installing PowerPath in a New AAM Cluster...................... 2-2
Contents