Managing settings and queries in host-based data migration
US9229656B1 · kind B1 · utility
174Cited by
9References
20Claims
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Key dates
| Filing date | Jun 28, 2012 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Jun 17, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0659
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An improved technique migrating data from a source LUN (logical unit) to a target LUN manages control I/O's in a manner that depends on the current state of data migration and on whether the control I/O's specify that reservation information for a LUN is to be set or queried. Control I/O's specifying reservation settings during the different states of migration are treated the same way as data WRITEs during those respective states, and control I/O's specifying reservation queries during different migration states are treated the same way as data READs during those respective states.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.