Migrating data in a storage array that includes a plurality of storage devices and a plurality of write buffer devices
US9507532B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2016 |
| Grant date | Nov 29, 2016 |
| Priority date | — |
| Expiry date | May 20, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/60
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Migrating data in a storage array that includes a plurality of storage devices and a plurality of write buffer devices, including: detecting, by the storage array, an occurrence of a write buffer device evacuation event associated with one or more source write buffer devices; responsive to detecting the occurrence of the write buffer device evacuation event, determining, by the storage array, whether the storage array includes at least a predetermined amount of write buffer resources in addition to the one or more source write buffer devices; and responsive to determining that the storage array includes at least a predetermined amount of write buffer resources in addition to the one or more source write buffer devices, reducing, by the storage array, write access to the one or more source write buffer devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.