US 12,147,680 B2
Methods of administering metadata for persistent storage device
Stuart John Inglis, Hamilton (NZ); Sheridan John Lambert, Hamilton (NZ); Adam Gworn Kit Fleming, Hamilton (NZ); and Matthew Sylvain Lazaro, Leamington (NZ)
Assigned to Daedalus Cloud LLC, Croton-on-Hudson, NY (US)
Filed by Daedalus Cloud LLC, Croton-on-Hudson, NY (US)
Filed on Dec. 20, 2022, as Appl. No. 18/085,248.
Claims priority of provisional application 63/292,044, filed on Dec. 21, 2021.
Prior Publication US 2023/0195329 A1, Jun. 22, 2023
Int. Cl. G06F 3/06 (2006.01); G06F 11/10 (2006.01)
CPC G06F 3/0619 (2013.01) [G06F 3/064 (2013.01); G06F 3/0662 (2013.01); G06F 3/0683 (2013.01); G06F 11/1076 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method comprising:
receiving a request to write data at a virtual location;
writing the data to a physical location on a first persistent storage device;
writing first metadata to the physical location, wherein the first metadata comprises the virtual location and a counter; and
writing second metadata to a second persistent storage device, wherein the second metadata comprises a mapping from the virtual location to the physical location.