Patent ID: 8495331
Filing Date: 2013-07-23
Classification: G06F

Abstract:
1. A storage apparatus coupled to a plurality of host computers, comprising: a processor; a plurality of storage resources configured to provide a storage pool; a plurality of virtual volumes configured for block-based access by the plurality of host computers; one or more file systems created on one or more of the plurality of virtual volumes configured to be accessed by at least one user over one or more of the plurality of host computers; and a non-transitory memory configured to store: wherein in response to creation of each of the one or more file systems, the processor is configured to specify one of the entries in the first table which includes an ID for the virtual volume where the file system is created, delete the entry, add one or more of entries corresponding to at least one user accessing the file system, and record an ID for one of the plurality of host computer which accesses the file system by the at least one users for the file system thereover, wherein, the processor is configured to: