Patent ID: 9632727
Date: 2017-04-25
CPC Classifications: G06F,H04L,H05K,Y02D

Claim:
1. An apparatus, comprising: a solid-state storage medium; a solid-state storage controller configured to implement storage operations on the solid state storage medium in response to requests from a computer system, including storing data pertaining to logical addresses of a logical address space at respective physical addresses of the solid-state storage medium; and an indexer, comprised within the solid-state storage controller, wherein the indexer is configured to assign logical addresses of the logical address space to physical addresses in use to store data pertaining to the logical addresses on the solid-state storage medium; wherein the indexer is further configured to remove an assignment between an identified logical address and a physical address of the solid-state storage medium in response to a message received from a host operating system, the message indicating that the identified logical address is erased.