HP StoreVirtual 4000 Storage - Manual (Page 19)

Table 6 Common Multi-Site SAN configurations with recommended managers
Number of managers and number
Needed to maintain quorum Manager configuration Multi-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