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Dell Chassis Management Controller Version 3.10 for Dell EMC PowerEdge VRTX User's Guide

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Grid Redundancy

In Grid redundancy mode with four PSUs, all four PSUs are active. The two PSUs must connect to one AC power grid, while the other two PSUs are connect to the other AC power grid.

  • CAUTION: To avoid a system failure, and for Grid redundancy to work effectively, there must be a balanced set of PSUs properly cabled to separate AC grids.

If one AC grid fails, the PSUs on the functioning AC grid take over, without interrupting the servers or infrastructure.

  • CAUTION: In Grid redundancy mode, you must have balanced sets of PSUs (at least one PSU in each grid). If this condition is not met, Grid redundancy is not possible.

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