Patent ID: 9588693
Date: 2017-03-07
CPC Classifications: G06F

Claim:
1. A method comprising: receiving, by a processing device, a request to free a range of logical sectors that is mapped to a plurality of storage devices organized as Redundant Array of Independent Disks (RAID), each storage device of the plurality of storage devices partitioned into a plurality of partitions to store a respective plurality of physical sectors; identifying a first physical sector number corresponding to a first logical sector having a lowest number greater or equal than a starting logical sector number of the range of logical sectors; identifying a second physical sector number corresponding to a second logical sector having a lowest number greater or equal than an ending logical sector number of the range of logical sectors; identifying, in view of the first physical sector number and the second physical sector number, a range of physical sectors that includes all physical sectors of one or more parity groups; and issuing, by the processing device, a command to the plurality of storage devices to free the range of physical sectors.