Managing HP Serviceguard A.11.20.20 for Linux, March 2014

A.3.9 Avoid File Locking ..................................................................................................276
A.4 Restoring Client Connections ...........................................................................................276
A.5 Handling Application Failures .........................................................................................277
A.5.1 Create Applications to be Failure Tolerant ..................................................................277
A.5.2 Be Able to Monitor Applications ..............................................................................278
A.6 Minimizing Planned Downtime ........................................................................................278
A.6.1 Reducing Time Needed for Application Upgrades and Patches .....................................278
A.6.1.1 Provide for Rolling Upgrades .............................................................................278
A.6.1.2 Do Not Change the Data Layout Between Releases ..............................................279
A.6.2 Providing Online Application Reconfiguration ............................................................279
A.6.3 Documenting Maintenance Operations .....................................................................279
B Integrating HA Applications with Serviceguard...........................................281
B.1 Checklist for Integrating HA Applications ...........................................................................281
B.1.1 Defining Baseline Application Behavior on a Single System ...........................................282
B.1.2 Integrating HA Applications in Multiple Systems ..........................................................282
B.1.3 Testing the Cluster ...................................................................................................282
C Blank Planning Worksheets ....................................................................285
C.1 Hardware Worksheet .....................................................................................................285
C.2 Power Supply Worksheet ................................................................................................285
C.3 Quorum Server Worksheet .............................................................................................286
C.4 Volume Group and Physical Volume Worksheet .................................................................286
C.5 Cluster Configuration Worksheet .....................................................................................287
C.6 Package Configuration Worksheet ...................................................................................287
C.7 Package Control Script Worksheet (Legacy).......................................................................288
D IPv6 Network Support.............................................................................289
D.1 IPv6 Address Types..........................................................................................................289
D.1.1 Textual Representation of IPv6 Addresses.....................................................................289
D.1.2 IPv6 Address Prefix...................................................................................................290
D.1.3 Unicast Addresses....................................................................................................290
D.1.4 IPv4 and IPv6 Compatibility......................................................................................290
D.1.4.1 IPv4 Compatible IPv6 Addresses.........................................................................290
D.1.4.2 IPv4 Mapped IPv6 Address...............................................................................290
D.1.4.3 Aggregatable Global Unicast Addresses.............................................................291
D.1.4.4 Link-Local Addresses.........................................................................................291
D.1.4.5 Site-Local Addresses.........................................................................................291
D.1.4.6 Multicast Addresses..........................................................................................291
D.2 Network Configuration Restrictions....................................................................................292
D.3 Configuring IPv6 on Linux................................................................................................292
D.3.1 Enabling IPv6 on Red Hat Linux.................................................................................293
D.3.2 Adding persistent IPv6 Addresses on Red Hat Linux.....................................................293
D.3.3 Configuring a Channel Bonding Interface with Persistent IPv6 Addresses on Red Hat
Linux..............................................................................................................................293
D.3.4 Adding Persistent IPv6 Addresses on SUSE.................................................................293
D.3.5 Configuring a Channel Bonding Interface with Persistent IPv6 Addresses on SUSE............294
E Using Serviceguard Manager...................................................................295
E.1 About the Online Help System...........................................................................................295
E.2 Launching Serviceguard Manager.....................................................................................295
E.2.1 Scenario 1 - Single cluster management......................................................................295
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