Accessing logical storage in a storage cluster

Abstract

Embodiments of the present disclosure include a method and apparatus for accessing a logical storage in a storage cluster, the storage cluster comprising a plurality of sites at different locations, each site among the plurality of sites comprising a copy corresponding to the logical storage. The method may include, in response to receiving an access request from a client, obtaining a location of the client, selecting one site from the plurality of sites at least based on distances from the location of the client to locations of the plurality of sites, and accessing the logical storage by accessing a copy at the selected site. There may be provided an apparatus for accessing a logical storage in a storage cluster. A storage controller at a site that is nearer to the client physically or logically may respond to the access request from the client.

Dependencies are inferred from the claim text.