US 12,072,795 B1
Providing access to a namespace via multiple storage arrays
Eldad Zinger, Raanana (IL); Dmitry Nikolayevich Tylik, Westborough, MA (US); and Marina Shem Tov, Hod Hasharon (IL)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Mar. 14, 2023, as Appl. No. 18/121,111.
Int. Cl. G06F 12/02 (2006.01)
CPC G06F 12/0238 (2013.01) 17 Claims
OG exemplary drawing
 
1. A method of providing access to a nonvolatile memory express (NVMe) namespace via multiple storage arrays, the method comprising:
providing access to the namespace from a nonvolatile memory (NVM) subsystem while the NVM subsystem is hosted on a first storage array;
after providing access to the namespace from the NVM subsystem while the NVM subsystem is hosted on the first storage array, performing a stretch operation to concurrently host the NVM subsystem on the first storage array and a second storage array; and
after performing the stretch operation, providing access to the namespace from the NVM subsystem while the NVM subsystem is concurrently hosted on the first storage array and the second storage array.