Patent ID: 9268496
Filing Date: 2016-02-23
CPC Classification: G06F

Claim Text:
1. A method for selecting a path control module (PCM) for a logical unit number (LUN) associated with a host enabled to support multiple PCMs, the method comprising: selecting a PCM associated with the LUN from a plurality of supported PCMs; creating an entry in a configuration database or a configuration file associated with the host, wherein the entry maps the selected PCM with a unique ID associated with the LUN; determining a unique ID associated with a hard disk; matching the unique ID associated with the hard disk with the created entry in the configuration database or the configuration file; selecting the PCM from the matched entry in the configuration database or the configuration file based on the matching; loading a kernel extension corresponding to the selected PCM; and configuring the LUN using the loaded kernel extension corresponding to the selected PCM, wherein configuring the LUN comprises storing a plurality of supported features of the LUN in a PCM configuration attribute whereby a map is created corresponding to a preferred PCM for each supported feature within the plurality of supported features.