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VERITAS Cluster Server
for Solaris
Introduction
VERITAS Cluster Server
Applications/Services
Public Network
VCS
Private
Network
Shared Storage
NFS
WWW
FTP
DB
Clients
VCS Features
• Availability
– Monitor and restart
applications
– Set failover policies
• Scalability
Network
Clustered
Databases
– Distribute services
– Add systems and
storage to running
clusters
• Manageability
– Use Java or Web
graphical interfaces
– Manage multiple
Clustered
Web Servers
High Availability Design
• HA-aware applications
– Restart capability
– Crash-tolerance
• HA management software
–
–
–
–
Site replication
Fault detection, notification, and failover
Storage management
Backup and recovery
• Redundant hardware
– Power supplies
– Network interface cards, hubs, switches
– Storage
VERITAS Clustering and
Replication Products
Cluster Management
VERITAS Global Cluster Manager
Application Availability Agents
Informix, Oracle, Sybase, Apache
High Availability Clustering
VERITAS Cluster Server, Database Edition/AC
Data Replication
VERITAS VVR & Support for Array-Based Replication
Parallel Extensions
VERITAS Cluster Volume Manager and File System
Foundation Products
VERITAS Volume Manager and File System
VERITAS High Availability
Solutions
WWW
DB
Global
Cluster
Manager
VCS
VCS
WAN
VxVM
VxFS
 
London
 
Volume
Replicator
Tokyo
VxVM
VxFS
Replicated Data Cluster (RDC)
Site A
Site B
Volume Replicator
GAB/LLT Ethernet/VPN
ESCON/Dark Fibre
EMC SRDF
HDS HORC
EMC SRDF
HDS HORC
• Single VCS cluster
spanning multiple
locations
• Uses replication to create
a redundant copy of the
data in two locations
References for High Availability
• The Resiliant Enterprise: Recovering Information
Services from Disasters by Evan Marcus and Paul
Massiglia
• Blueprints for High Availability:
Designing Resilient Distributed Systems
by Evan Marcus and Hal Stern
• High Availability Design, Techniques, and Processes
by Floyd Piedad and Michael Hawkins
• Designing Storage Area Networks
by Tom Clark
• Storage Area Network Essentials: A Complete Guide
to Understanding and Implementing SANs
by Richard Barker and Paul Massiglia
• VERITAS High Availability Fundamentals Web-based
Lab Overview
Private Network
Red
Student
Blue
Student
Even/high
numbered
system
Odd/low
numbered
system
SCSI JBOD
Public Network