Title:
STORAGE APPARATUS, COMPUTER SYSTEM, AND DATA MIGRATION METHOD
Document Type and Number:
WIPO Patent Application WO/2013/042159
Kind Code:
A1
Abstract:
Provided is a method of using a dynamic chunk allocation function to efficiently carry out data volume migration. A storage apparatus according to the present invention includes first and second storage units and divides a storage extent in the second storage unit into chunks to add the chunks to a chunk pool to dynamically allocate the chunks in the chunk pool to a newly created logical data volume (see Fig. 3).
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Inventors:
TERAYAMA ATSUMI (JP)
NAGAMI AKIHISA (JP)
TANAKA TORU (JP)
KANEDA YASUNORI (JP)
NAGAMI AKIHISA (JP)
TANAKA TORU (JP)
KANEDA YASUNORI (JP)
Application Number:
PCT/JP2011/005273
Publication Date:
March 28, 2013
Filing Date:
September 20, 2011
Export Citation:
Assignee:
HITACHI LTD (JP)
TERAYAMA ATSUMI (JP)
NAGAMI AKIHISA (JP)
TANAKA TORU (JP)
KANEDA YASUNORI (JP)
TERAYAMA ATSUMI (JP)
NAGAMI AKIHISA (JP)
TANAKA TORU (JP)
KANEDA YASUNORI (JP)
International Classes:
G06F3/06; G06F12/08
Foreign References:
| EP2026191A2 | 2009-02-18 | |||
| US20090177666A1 | 2009-07-09 | |||
| US20100057985A1 | 2010-03-04 | |||
| US20110066823A1 | 2011-03-17 | |||
| US7035883B2 | 2006-04-25 | |||
| JPH10283272A | 1998-10-23 | |||
| US7228380B2 | 2007-06-05 |
Attorney, Agent or Firm:
HIRAKI, Yusuke (5-1 Atago 2-chome, Minato-k, Tokyo 32, JP)
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Claims: