Dell EqualLogic PS6210XS EqualLogic Group Manager Administrator s Guide PS Ser - Page 366
PS Series members, PS Series Volumes
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• Promote the replica set to a recovery volume (and snapshots) on the secondary group and configure initiators to connect to the recovery volume. If the primary group becomes available, you can replicate the recovery volume to the primary group and then fail back to the primary group, returning to the original configuration. NOTE: Replication is used primarily for disaster recovery and does not take the place of a comprehensive backup strategy. You can manually delete replicas and replica sets that are no longer needed. You cannot delete the most recent, complete replica from a replica set, but you can delete the entire replica set, which disables replication on the volume. NOTE: For information about NAS replication options, refer to NAS Volume Replication Operations. About Volumes Volumes provide the storage allocation structure within the PS Series group. To access storage in a PS Series group, you allocate portions of a storage pool to volumes. You can create a volume on a single group member or one that spans multiple group members. You assign each volume a name, size, and a storage pool. The group automatically load balances volume data across pool members. Figure 5. PS Series Volumes depicts volumes in a PS Series group. Table 6. PS Series Volumes explains the callouts used in the figure. Figure 39. PS Series Volumes Table 71. PS Series Volumes Callout 1 Description PS Series group Storage area network (SAN) comprising one or more PS Series arrays connected to an IP network. Arrays are high-performance (physical) block storage devices. 2 PS Series members Each PS Series array is a member in the group and is assigned to a storage pool. 366 Reference: GUI Panels, Wizards, and Dialog Boxes
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