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# Redundant hardware and software configuration acknowledgment for in-service migration

To minimize the impact to applications and services during an HPE OneView in-service migration, redundant hardware and software configurations are required. The fully stacked enclosure must be configured in a dual ring or left/right vertical stacking link configuration. See recommended stacking connections in the HPE Virtual Connect for c-Class BladeSystem Setup and Installation Guide.

Interconnects are reconfigured sequentially during the migration, overwriting the VCM configuration with the HPE OneView configuration. At most, storage is disrupted for a single interconnect at any point during the migration and network traffic is disrupted for the even or odd numbered bays at any point during the migration.

Configure redundant network and storage connections and provide failover such as network interface bonding and MPIO drivers so that network and storage traffic continues to pass on one module of the pair while the other module is reconfigured. As in a logical interconnect firmware update, the server operating system detects the loss of connectivity for the interconnect module and redirects traffic to the alternate path.

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Migrate a c7000 enclosure currently managed by VCM
About migration acknowledgments

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