US 11,941,286 B2
Keeping a zone random write area in non-persistent memory
Karimulla Sheik, Bangalore (IN); and Naga Shankar Vadalamani, Bangalore (IN)
Assigned to Western Digital Technologies, Inc., San Jose, CA (US)
Filed by Western Digital Technologies, Inc., San Jose, CA (US)
Filed on Feb. 4, 2022, as Appl. No. 17/592,920.
Prior Publication US 2023/0251791 A1, Aug. 10, 2023
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0655 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0679 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a device;
a power supply;
a host-computing device; and
a power monitor, wherein:
the power monitor determines a health of the power supply, and
the host-computing device initiates a mode change in with respect to operation of the device according to the health of the power supply;
in response to receiving a vendor specific command from a host-computing device, determining if the vendor specific command allows a Zone Random Write Area (“ZRWA”) to be moved to a non-persistent memory; and
enabling the storage device with a flexible persistent backup option and allocating a portion of non-persistent memory.