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.
Power
Circuit #1
Power
Circuit #1
Power
Circuit #1
Power
Circuit #1
Power
Supply
Power
Supply
Cluster Server 1
or with I/O Drawer
Cluster Server 1
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Power
Supply
Power
Supply
7133 Serial
Disk System
(with Three
Power Supplies)
7133 Serial
Disk System
(with Three
Power Supplies)
7133 Serial
Disk System
(with Two Power Supplies)
7133 Serial
Disk System
(with Two Power Supplies)
Power
Distribution
Unit
Power
Distribution
Unit
Cluster Server 2
or with I/O Drawer
Cluster Server 2
Power
Supply
Power
Supply
Power
Circuit #2
Power
Circuit #2
Power
Circuit #2
Power
Circuit #2
Power
Distribution
Unit
Power
Distribution
Unit
1
1
2
2
Or
Or
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
Summary of Contents for 7012 397
Page 1: ...RS 6000 and Eserver pSeries Site and Hardware Planning Information SA38 0508 20...
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Page 372: ...Async Adapter Cable Planning Chart 354 Site and Hardware Planning Information...
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