Networked raid in a virtualized cluster
US8001352B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2008 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Feb 1, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/02
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Technologies are described herein for providing networked RAID in a virtualized storage cluster. The storage capacity of a storage cluster having two or more storage nodes is organized into tiers. A portion of the available storage capacity is allocated to one tier that is organized using chained declustering. Another portion of the available storage capacity is allocated to another tier that is organized using a networked RAID configuration. The storage cluster monitors the frequency at which data in the storage cluster is accessed. Frequently used data that is stored in the network RAID-configured tier is promoted to the chained declustered-configured tier. Infrequently used data that is stored in the chained declustered-configured tier is demoted to the network RAID-configured tier. The zone size for zones stored in the chained declustered-configured tier may be different than for zones stored in the network RAID-configured tier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.