Patent ID: 7921262

Claim:
A method comprising: receiving information describing storage expansion in an expandable storage device; determining changes to be made to information for converting input/output (I/O) operations directed at a virtual storage device to I/O operations directed at the expandable storage device, wherein the determining changes is based at least in part on the information describing storage expansion in an expandable storage device, the determining changes comprises determining layout information for the expandable storage device, and the layout information comprises at least one of a sector alignment of the expandable storage device, or a cylinder alignment of the expandable storage device; quiescing all I/O operations directed at the virtual storage device; after the quiescing, applying the changes to be made to the information for converting I/O operations directed at a virtual storage device to I/O operations directed at the expandable storage device; and after the applying the changes, resuming the quiesced I/O operations.