HP-UX System Administrator's Guide: Overview HP-UX 11i v3 (B3921-90011, September 2010)

Instant Capacity (iCAP/TiCAP/GiCAP)..........................................................................................27
Technology Summary................................................................................................................27
Tools to Administer/Configure..................................................................................................27
iCAP Commands..................................................................................................................27
HP System Management Homepage....................................................................................28
How to Obtain............................................................................................................................28
For Further Information.............................................................................................................28
Pay per use (PPU)............................................................................................................................29
Technology Summary................................................................................................................29
Tools to Administer/Configure..................................................................................................29
How to Obtain............................................................................................................................29
For Further Information.............................................................................................................30
Clustering (Multiple Servers, One Operating System).........................................................................31
Serviceguard....................................................................................................................................31
Technology Summary................................................................................................................31
Tools to Administer/Configure..................................................................................................32
How to Obtain............................................................................................................................32
For Further Information.............................................................................................................32
Other Cluster Types.........................................................................................................................32
Extended Distance Clusters.......................................................................................................32
Metropolitan Clusters................................................................................................................32
Continental Clusters...................................................................................................................33
Multiple Boot (One Single-Core Server, Multiple Operating Systems)................................................34
Partitioning (Multiple Operating Systems, One Multi-processor Server)............................................35
Hardware Partitioning.....................................................................................................................35
Software Partitioning.......................................................................................................................36
Comparing Partitioning Technologies.......................................................................................36
Combining Partitioning Technologies for Greater Flexibility....................................................37
Networking (Multiple Operating Systems, Multiple Servers).............................................................38
Combining Virtualization Technologies...............................................................................................38
3 Major Components of HP-UX......................................................................................39
The HP-UX Kernel................................................................................................................................39
Kernel Modules...............................................................................................................................39
Adding/Removing Kernel Modules...........................................................................................39
Kernel Tunables...............................................................................................................................39
The HP-UX Directory Structure............................................................................................................40
Key HP-UX Directories....................................................................................................................40
Storage on HP-UX.................................................................................................................................43
Storage Uses.....................................................................................................................................43
How Storage is Organized...............................................................................................................43
Physical Storage Devices............................................................................................................43
Volume Managers......................................................................................................................44
Selecting a Volume Manager................................................................................................45
Volume Groups..........................................................................................................................46
(Logical) Volumes.......................................................................................................................47
File Systems................................................................................................................................47
Supported File Systems.........................................................................................................48
Efficient Data Access.......................................................................................................................48
Disk Striping...............................................................................................................................48
Distributing Disk Access............................................................................................................49
File System Type.........................................................................................................................49
Establishing Multiple Paths to a Device (for efficiency)............................................................49
Disk Mirroring (for performance)..............................................................................................49
4 Table of Contents