Patent ID: 9317363
Filing Date: 2016-04-19
CPC Classification: G06F

Claim Text:
1. A method for managing a secure delete operation within one or more storage devices using a parity-based storage scheme, comprising: receiving a location of an application block, the application block includes one or more data blocks and one or more parity blocks stored within the one or more storage devices using the parity-based storage scheme; determining a number of parity blocks to delete, wherein the number of parity blocks to delete is less than a total number of parity blocks; determining that there is at least one parity block to delete; determining a weight, for each of the one or more storage devices that have a determined parity block, based on a usage and a health of a storage device from the one or more storage devices; ranking each of the storage devices storing a parity block as a function of the weight; performing the secure delete operation on the determined number of parity blocks as a function of the ranking of the storage devices on which respective parity blocks are stored; performing the secure delete operation on the determined number of parity blocks; and performing the secure delete operation on the one or more data blocks.