A server administrator has been asked to move data between two different vendor storage arrays. The LUN from the target array has been provisioned and is slightly bigger than the LUN from the source a

Array-based replication typically requires the source and target arrays to be from the same vendor or compatible, which is not the case for different vendor storage arrays.

An operating system based file copy tool would involve downtime for the application to ensure data consistency during the copy process, failing the requirement for the application to remain online.

Restoring from a recent backup would result in data loss for any changes made since the backup and would require application downtime during the restore process.

Logical Volume Managers (LVMs) can create a host-based mirror between two LUNs, even from different storage arrays. This allows block-level replication to occur while the application remains online, enabling a seamless cutover from the source to the target LUN and subsequent removal of the source.