CPC G06F 3/0632 (2013.01) [G06F 3/0604 (2013.01); G06F 3/065 (2013.01); G06F 3/0679 (2013.01)] | 30 Claims |
1. A method performed by a controller of a solid-state drive (SSD), comprising:
receiving a command from a host, the command identifying a namespace in a non-volatile semiconductor memory device of the SSD to be formatted;
identifying a plurality of regions in the non-volatile semiconductor memory device corresponding to the namespace;
unmapping a dummy region in a volatile semiconductor memory device of the SSD using invalid addresses; and
copying the invalidated dummy region to each region of the plurality of regions of the namespace.
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