HP P4000 9.0 HP StorageWorks P4000 Multi-Site HA/DR Solution Pack User Guide - Page 3

Contents 1 Designing a Multi-Site SAN 7 Failover Manager overview ...7 Requirements ...7 Designing a Multi-Site SAN ...8 Configuring data replication for optimal availability and redundancy 8 When to use Network RAID-10+2 9 Configuring sites and quorum managers to achieve optimal high availability and redundancy ....... 9 Best practice ...10 Sample configurations 10 Alternative setups ...13 Designing the network for the Multi-Site SAN 13 Best practices for implementing the Multi-Site SAN network 14 Common Multi-Site SAN network designs 14 Sample recommended network configurations for Multi-Site SANs 15 Using multiple subnets ...18 Using MPIO with multiple subnets 18 Setting up application clusters in a Multi-Site SAN environment 19 Using the Primary Site designation in two-site configurations 19 Failure modes and recovery steps 19 Recover quorum operation 20 Best practices for configuring quorum and managers in a Multi-Site SAN environment 20 2 Implementing a Multi-Site SAN 23 Before you begin ...23 Preparing to install a new Multi-Site SAN 23 Preparing to convert an existing SAN to a Multi-Site SAN 23 Installing the Multi-Site SAN ...23 Creating the management group 24 Creating Multi-Site clusters and volumes 24 Using the Multi-Site cluster wizard 24 Viewing the Multi-Site cluster information 25 Converting an existing SAN to a Multi-Site SAN 26 Prerequisites ...26 Using the Multi-Site cluster wizard 27 Configuring managers ...27 Overview ...27 Configuring regular managers 28 Fault tolerant manager configurations 28 Installing and configuring a Failover Manager 28 Best practice ...28 Configuring sites ...29 Viewing sites in the CMC ...29 Sites map view ...30 Designating a primary site 31 Adding a site ...31 P4000 Multi-Site HA/DR Solution Pack user guide 3