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active/active array

Active/active (also called dual active) is a storage array configuration in which two (or more) storage controllers work together to process inputs/outputs (I/Os). Active/active can be contrasted with active/passive, an array configuration in which the first controller processes all I/O requests and the second controller is only used in the event of a  failover.

This was last updated in July 2012

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Read about the HP XP7 Storage array, which includes High Availability Software, that uses an active-active configuration. This allows two XP7 Storage arrays to provide simultaneous read-write access to multiple hosts or a cluster.

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