Patent attributes
There is disclosed a method for managing data storage. In one embodiment, the method comprises operating a storage processor of a first data storage system at a first location. The storage processor comprising a first distributed data manager and an IO stack arranged therein such that distributed data manager can receive a LUN outputted by IO stack. The method also comprises initiating a communication between first distributed data manager and second distributed data manager associated with a second data storage system at a second location. The method further comprises migrating stored data on first data storage system to second data storage system and providing LUN information associated with stored data to second data storage system such that a LUN identify of migrated data stored on second data storage system is similar to a LUN identity of corresponding stored data on first data storage system.
