Patent ID: 9063842
Filing Date: 2015-06-23
Classification: G06F

Abstract:
1. A method executed by a storage system for enforcing storage limits, comprising: receiving a first request that is to define a storage quota for a pool of virtual tapes that is allocated to a user entity and is presented to the user entity as physical tape storage, wherein the storage quota is defined by a maximum number of bytes that can be stored into the pool of virtual tapes for the user entity; defining the storage quota for the pool of virtual tapes according to the first request, wherein the defined storage quota limits a quantity of data that the user entity can store in physical storage of the storage system, wherein the physical storage is to store data corresponding to a virtual tape of the pool; receiving a second request from the user entity to write data to the virtual tape of the pool of virtual tapes; and in response to a quantity of the data from the user entity's second request exceeds the maximum number of bytes that can be stored into the pool of virtual tapes for the user entity: