Patent ID: 9582218
Date: 2017-02-28
CPC Classifications: G06F,H04L

Claim:
1. A method comprising: at a Serial Attached Small Computer System Interface (SAS) device in communication with a physical storage device, subdividing a storage space of the physical storage device into a plurality of logical storage spaces, wherein the physical storage device supports a maximum number of Input/output Operations Per Second (IOPS); assigning quality of service (QoS) parameters to one or more of the logical storage spaces, the QoS parameters including a maximum number of IOPS available to the one or more logical storage spaces, wherein the maximum number of IOPS available to the one or more logical storage spaces is based on the maximum number of IOPS supported by the physical storage device; assigning a World Wide Name (WWN) to each of the logical storage spaces; and storing and retrieving data to and from at least one of the logical storage spaces by way of the SAS device based on the assigned WWN and the QoS parameters.