Title:
COMPUTER SYSTEM AND METHOD OF CONTROLLING I/O WITH RESPECT TO STORAGE APPARATUS
Document Type and Number:
WIPO Patent Application WO/2014/002126
Kind Code:
A1
Abstract:
An aspect of this invention is a computer system, including: a storage apparatus for allocating real storage areas of a plurality of tiers of a tiered real storage area pool to a volume, and migrating and relocating data within the volume between the plurality of tiers; and a host apparatus that accesses the volume provided by the storage apparatus. The host apparatus is configured to refer to tier information including information on a corresponding one of the plurality of tiers to which an access destination address within the volume belongs to identify the corresponding one of the plurality of tiers to which the access destination address belongs and refer to settings predetermined for the plurality of tiers to perform I/O control for the access destination address based on settings of the identified corresponding one of the plurality of tiers.
Inventors:
HAYAKAWA AKIRA (JP)
NAKAMURA TAKAKI (JP)
MATSUZAWA KEIICHI (JP)
FUKATANI TAKAYUKI (JP)
NAKAMURA TAKAKI (JP)
MATSUZAWA KEIICHI (JP)
FUKATANI TAKAYUKI (JP)
Application Number:
PCT/JP2012/004094
Publication Date:
January 03, 2014
Filing Date:
June 25, 2012
Export Citation:
Assignee:
HITACHI LTD (JP)
HAYAKAWA AKIRA (JP)
NAKAMURA TAKAKI (JP)
MATSUZAWA KEIICHI (JP)
FUKATANI TAKAYUKI (JP)
HAYAKAWA AKIRA (JP)
NAKAMURA TAKAKI (JP)
MATSUZAWA KEIICHI (JP)
FUKATANI TAKAYUKI (JP)
International Classes:
G06F3/06
Foreign References:
| EP1357465A2 | 2003-10-29 | |||
| US20090271543A1 | 2009-10-29 | |||
| US20060010169A1 | 2006-01-12 | |||
| US20110246739A1 | 2011-10-06 |
Attorney, Agent or Firm:
FUJII, Masahiro (Urban Toranomon Bldg. 16-4, Toranomon 1-chome, Minato-k, Tokyo 01, JP)
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