Sub-LUN input/output profiling for SSD devices
US8700841B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2010 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Jun 1, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/0246
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A read/write ratio for each of a plurality of data segments classified in a hot category as hot data segments is determined. Each of the plurality of hot data segments is ordered by the read/write ratio in a descending order. Each of a plurality of available SSD devices is ordered by a remaining life expectancy in an ascending order. Those of the plurality of hot data segments are matched with those of the plurality of hot data segments with those of the plurality of available SSD devices such that a hot data segment having a higher read/write ratio is provided to an SSD device having a smaller remaining life expectancy than another hot data segment having a lower read/write ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.