HP P4000 9.0 HP StorageWorks P4000 Multi-Site HA/DR Solution Pack User Guide - Page 21

Number of managers and num, ber Needed to maintain quorum, Manager configuration

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Multi-Site SAN configuration Manager configuration Number of managers and number Needed to maintain quorum Two physical sites, logical third site For two storage systems, run: • 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 • Manager count = three Number for quorum = two • Manager count = five Number for quorum = three Three physical sites, cluster spans two sites For two storage systems, run: • one manager in each site • one failover manager in the third site For four storage systems, run: • two managers in each site • one failover manager in the third site • Manager count = three Number for quorum = two • Manager count = five Number for quorum = three Three physical sites For three storage systems, run: • one manager in each site For six or more storage systems, run: • two managers in each site • Manager count = three Number for quorum = two • Manager count = six Number for quorum = four P4000 Multi-Site HA/DR Solution Pack user guide 21

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Number of managers and num-
ber 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 two storage systems, run:
•
one manager in each site
•
one failover manager in the lo-
gical 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 lo-
gical third site
Two physical sites, logical third site
•
Manager count = three
Number for quorum = two
•
Manager count = five
Number for quorum = three
For two storage systems, run:
•
one manager in each site
•
one failover manager in the
third site
For four storage systems, run:
•
two managers in each site
•
one failover manager in the
third site
Three physical sites, cluster spans
two sites
•
Manager count = three
Number for quorum = two
•
Manager count = six
Number for quorum = four
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
P4000 Multi-Site HA/DR Solution Pack user guide
21