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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 WAN Vx. VM Vx. FS London Volume Replicator Tokyo Vx. VM Vx. FS

Replicated Data Cluster (RDC) Site A Site B Volume Replicator GAB/LLT Ethernet/VPN ESCON/Dark Fibre 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 Odd/low numbered system n 1 Blue Student 2 i tra in tra SCSI JBOD Public Network Even/high numbered system