Ha Cluster Server Ac Power Connections - IBM RS/60000 Series Site And Hardware Planning Information

HA Cluster Server AC Power Connections

When installing an HA cluster server, care must be taken to ensure that power is also connected in a
redundant manner. The following figure shows an example of how power can be connected to ensure that
your cluster has separate power connections.
Cluster Server 1
Cluster Server 1
or with I/O Drawer
Power
Supply
7133 Serial
Disk System
(with Three
Power Supplies)
Power Power Power
Distribution
Supply Supply Supply
1
7133 Serial
Disk System
(with Two Power Supplies)
Power Power
Supply Supply
2
Circuit #1
Note: Redundant input power can only be configured on systems with two power cords.
Index Description
1 Power Cable, PDU to 7133 with three power supplies
2 Power Cable, PDU to 7133 with two power supplies
374
Site and Hardware Planning Information
Power
Power
Supply
Supply
Power Power Power
Distribution Distribution
Unit Unit Unit
Power
Power Power
Circuit #1 Circuit #2 Circuit #1
Or
Power Power
Power
Circuit #1
Circuit #2
Cluster Server 2
Cluster Server 2
or with I/O Drawer
Power
Supply
7133 Serial
Disk System
(with Three
Power Supplies)
Power
Power
Distribution
Supply
Unit
7133 Serial
Disk System
(with Two Power Supplies)
Power
Circuit #2
Power
Supply
Or
Power
Circuit #2
Power Power
Supply Supply
1
Power
Supply
2