9.5 HP P4000 Multi-Site HA/DR Solution User Guide (AX696-96074, September 2011)

Table 6 Common Multi-Site SAN configurations with recommended managers
Number of managers and number
Needed to maintain quorum
Manager configurationMulti-Site SAN configuration
• Manager count = three
Number for quorum = two
• Manager count = five
Number for quorum = three
For four storage systems, run:Two physical sites, one site is primary
• two managers in the primary site
• one manager in the secondary site
For six storage systems or more, run:
• three managers in the primary site
• two managers in the secondary site
• Manager count = three
Number for quorum = two
• Manager count = five
Number for quorum = three
For two storage systems, run:Two physical sites, logical third site
• one manager in each site
• one failover manager in the logical
third site
• two managers in each site, one
failover manager in the logical third
site
For four storage systems or more, run:
• two managers in each site
• one failover manager in the logical
third site
For two storage systems, run:Three physical sites, cluster spans two
sites
• Manager count = three
Number for quorum = two
• one manager in each site
• one failover manager in the third site
• Manager count = five
Number for quorum = three
For four storage systems, run:
• two managers in each site
• one failover manager in the third site
For three storage systems, run:
• one manager in each site
For six or more storage systems, run:
• two managers in each site
Three physical sites
• Manager count = three
Number for quorum = two
• Manager count = six
Number for quorum = four
Setting up application clusters in a Multi-Site SAN environment 19