Storage apparatus and data management method
US8566558B2 · kind B2 · utility
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3References
10Claims
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Key dates
| Filing date | Jul 22, 2011 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Nov 4, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/067
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
To efficiently manage data including control information.A storage apparatus connected to a host requesting data writing includes one or a plurality of storage devices and a controller for allocating a storage area in page units to an area of a virtual volume to write the data in response to a request from the host to write the data wherein if the data regarding which the host makes the write request includes control information and data excluding the control information is specified data, the controller releases the allocation of the page allocated to the area for writing the relevant data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.