Concurrently moving storage devices from one adapter pair to another
US8645652B2 · kind B2 · utility
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1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2010 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Jun 5, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0689
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A mechanism is provided for moving control of storage devices from one adapter pair to another. In a trunked disk array configuration, moving the storage devices from one disk array to another disk array begins by attaching the downstream ports of the two independent disk arrays together. The mechanism redefines one set of the ports as upstream ports and through switch zoning makes a set of devices available to the second disk array adapters. By controlling zoning access and performing discovery one device port at a time, the mechanism transfers access and ownership of the RAID group from one adapter pair to another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.