HP-UX System Administrator's Guide: Routine Management Tasks HP-UX 11i v3 (B3921-90023, September 2010)

Daily Defragmentation ..........................................................................................197
Configurable Kernel Parameters.................................................................................197
Configuring Kernel Tunable Parameters Using HP SMH.....................................198
Other Performance Management Tools............................................................................198
HP System Management Homepage (HP SMH)........................................................199
The top Command.......................................................................................................199
HP Operation Center...................................................................................................199
HP GlancePlus Pak Software.................................................................................200
Kernel Resource Monitor (KRM).................................................................................200
A Using High Availability Strategies............................................................................................201
Using Software Mirroring as a Disk Protection Strategy.................................................201
Using Disk Arrays.............................................................................................................202
Disk Arrays Using RAID Data Protection Strategies.......................................................202
Mirroring (RAID Level 1)............................................................................................203
Pros and Cons........................................................................................................203
Recommended Uses and Performance Considerations.........................................203
Disk Striping (RAID Level 0).......................................................................................203
Pros and Cons........................................................................................................203
Recommended Uses and Performance Considerations.........................................203
RAID 3.........................................................................................................................203
Pros and Cons........................................................................................................204
Recommended Uses and Performance Considerations.........................................204
RAID 5.........................................................................................................................204
Pros and Cons........................................................................................................204
Recommended Uses and Performance Considerations.........................................204
HP SureStore E Disk Array...............................................................................................205
Using Hot Spared Disks....................................................................................................205
Using High Available Storage Systems (HASS)...............................................................206
Pros and Cons of HASS...............................................................................................206
Recommended Uses of HASS......................................................................................206
Using Serviceguard...........................................................................................................206
Pros and Cons of Serviceguard...................................................................................206
Serviceguard Features.................................................................................................207
Serviceguard Automatic Rotating Standby...........................................................207
Serviceguard Rolling Upgrades.............................................................................207
Serviceguard Advanced Tape Services (ATS)........................................................208
Other High Availability Products and Features...............................................................208
Dynamic Root Disk......................................................................................................208
High Availability Monitors..........................................................................................208
Enterprise Cluster Master Toolkit...............................................................................208
MetroCluster................................................................................................................209
Continental Clusters....................................................................................................209
Table of Contents 9