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Technical Support ............................................................................................... 4
Chapter 1 Introducing Veritas Cluster Server .................................. 13
About Veritas Cluster Server .......................................................... 13
About VCS basics ......................................................................... 13
About multiple nodes .............................................................. 14
About shared storage .............................................................. 14
About LLT and GAB ................................................................ 15
About network channels for heartbeating ................................... 15
About preexisting network partitions ........................................ 16
About VCS seeding ................................................................. 16
About VCS features ...................................................................... 17
Veritas Installation Assessment Service ..................................... 17
About VCS notifications .......................................................... 17
About global clusters .............................................................. 17
About I/O fencing ................................................................... 18
About VCS optional components .................................................... 18
About Symantec Product Authentication Service (AT) ................... 19
About Cluster Manager (Java Console) ........................................ 20
About Veritas Cluster Server Management Console ...................... 20
About VCS Simulator .............................................................. 20
Chapter 2 Planning to install VCS ....................................................... 23
About planning to install VCS ......................................................... 23
Hardware requirements ................................................................ 23
Required disk space ................................................................ 24
Supported operating systems ......................................................... 25
Required Linux RPMs for VCS .................................................. 26
Supported software ...................................................................... 27
Chapter 3 Preparing to install VCS ..................................................... 29
About preparing to install VCS ....................................................... 29
Preparing to configure the clusters in secure mode ............................ 29
Installing the root broker for the security infrastructure ............... 33
Contents