Patent ID: 9524105
Filing Date: 2016-12-20
CPC Classification: G06F,G11C

Claim Text:
1. A method of managing a storage system, the method comprising: detecting an amelioration trigger for reducing declared capacity of non-volatile memory of a storage device of the storage system, wherein declared capacity is storage capacity available to a host; in accordance with the detected amelioration trigger, performing an amelioration process to reduce declared capacity of the non-volatile memory of the storage device, the performing including: prior to detecting the amelioration trigger, detecting a first wear condition of the non-volatile memory of the storage device, wherein a total storage capacity of the non-volatile memory of the storage device includes declared capacity and over-provisioning; and in response to detecting the first wear condition, performing a remedial action that reduces over-provisioning of the non-volatile memory of the storage device without reducing declared capacity of the non-volatile memory of the storage device.