Hitachi, Ltd.

Takanori Mitsuno

Hiroshi Arakawa

Atsushi Murase

A computer which is connected to a network and has a CPU and a plurality of storages, and which is capable of executing a plurality of virtual machines, wherein: the CPU acts as a first virtual machine so as to process a block access request received via the network; the CPU also acts as a second virtual machine so as to process a file access request received via the network; and the CPU also acts as a third virtual machine so as to process an object access request received via the network, and accesses a third storage.

Virtual machines accessing file data, object data, and block data

To create one pool by using a plurality of storage apparatuses and to provide virtual volumes common to each of the storage apparatuses to the server. The respective logical volumeswhich the plurality of storage apparatuses(i) to () comprise are mutually connected. The respective logical volumes are managed in the one pool. The virtual volumesare created by utilizing the storage area in the pool. Each of the storage apparatuses shares at least part of the management information related to the page assignment for the virtual volumes with the other storage apparatuses.

Computer system with storage apparatuses including physical and virtual logical storage areas and control method of the computer system

A management apparatus and management method capable of simplifying system management and constructing copy pairs with fault tolerance intended by a user are suggested. With a computer system for providing a host system with logical volumes in the system respectively as virtual volumes in one virtual storage apparatus, each storage apparatus is grouped in accordance with a designated grouping policy and a group ID specific to a storage group, to which the relevant storage apparatus belongs, is assigned to each storage apparatus; and when setting a copy pair, a part or whole of each logical volume is switched to an appropriate logical volume as needed in accordance with a copy pair setting policy, including a location relationship of the respective logical volumes associated with the respective virtual volumes constituting the copy pair, based on the group ID of each storage apparatus.

Growing community of inventors

Odawara, Japan

Takanori Mitsuno