HP Serviceguard manual Contents

Contents
Publishing History	18
Preface	19
1 Serviceguard at a Glance	21
What is Serviceguard?	21
Failover	22
About Veritas CFS and CVM from Symantec	23
Using Serviceguard Manager	24
Monitoring Clusters with Serviceguard Manager	24
Administering Clusters with Serviceguard Manager	24
Configuring Clusters with Serviceguard Manager	24
Starting Serviceguard Manager	24
Using SAM	24
What are the Distributed Systems Administration Utilities?	25
A Roadmap for Configuring Clusters and Packages	25
2 Understanding Serviceguard Hardware Configurations	27
Redundancy of Cluster Components	27
Redundant Network Components	28
Rules and Restrictions	28
Redundant Ethernet Configuration	29
Cross-Subnet Configurations	30
Configuration Tasks	30
Restrictions	30
For More Information	31
Replacing Failed Network Cards	32
Redundant Disk Storage	32
Supported Disk Interfaces	32
Data Protection	33
Disk Mirroring	33
Disk Arrays using RAID Levels and Multiple Data Paths	33
About Multipathing	33
Monitoring LVM Disks Through Generic Resources Monitoring Service	34
Monitoring LVM Disks Through Event Monitoring Service	34
Monitoring VxVM and CVM Disks	34
Replacing Failed Disk Mechanisms	34
Replacing Failed I/O Cards	34
Sample SCSI Disk Configurations	35
Sample Fibre Channel Disk Configuration	36
Redundant Power Supplies	37
Larger Clusters	37
Active/Standby Model	38
Point to Point Connections to Storage Devices	38
3 Understanding Serviceguard Software Components	40
Serviceguard Architecture	40
Serviceguard Daemons	40
Configuration Daemon: cmclconfd	41
Cluster Daemon: cmcld	41
File Management Daemon: cmfileassistd	42
Syslog Log Daemon: cmlogd	42
Cluster Logical Volume Manager Daemon: cmlvmd	42

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