Patent ID: 8281033

Claim:
A method for performing path selection comprising: performing discover processing by an entity that sends data operations to a data storage system, said discovery processing including the entity receiving configuration information from a data storage system, said configuration information including first information about a metadevice, said first information including information identifying a plurality of metadevice members included in the metadevice and information identifying which logical address ranges of the metadevice correspond to which metadevice members; performing first processing by said entity for sending a data operation to the data storage system whereby the data operation is directed to the metadevice comprising the plurality of metadevice members, said first processing including: determining, using the configuration information, a first of the plurality of metadevice members to which the data operation is directed; performing, in accordance with a load balancing technique for the first metadevice member, path selection to select a first of a plurality of paths, wherein the metadevice is accessible to said entity over each of the plurality of paths; and sending the data operation over the first path from said entity to the data storage system.