Method and apparatus for migrating data between heterogeneous data storage devices
Patent 7421556 Issued on September 2, 2008. Estimated Expiration Date: 
March 29, 2026. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 29, 2026. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References6260124 InventorsAssigneeApplicationNo. 11392328 filed on 03/29/2006US Classes:711/165Internal relocationExaminersPrimary: Bragdon, Reginald G.Assistant: Mackall, Larry T Attorney, Agent or FirmInternational ClassG06F 13/00AbstractA method for migrating data between heterogeneous data storage devices within a storage area network is disclosed. A first virtualizer presents stored data as a first virtual disk, and then communicates a managed disk representation of the first virtual disk to a second virtualizer. After receiving the managed disk representation, the second virtualizer virtualizes the stored data from the managed disk representation as a second virtual disk. At such point, the stored data can be progressively migrated from the first virtualizer to the second virtualizer. | |
