Quality of service management using host specific values
US8892716B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2014 |
| Grant date | Nov 18, 2014 |
| Priority date | — |
| Expiry date | Mar 27, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L49/901
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a latency value is determined for an input/output IO request in a host computer of a plurality of host computers based on an amount of time the IO request spent in the host computer's issue queue. The issue queue of the host computer is used to transmit IO requests to a storage system shared by the plurality of host computers. The method determines a host specific value assigned to the host computer based in proportion on a number of shares assigned to the host in a quality of service policy for IO requests. The size for the host computer's issue queue is determined based on the latency value and the host specific value to control a number of IO requests that are added to the host computer's issue queue where other hosts in the plurality of hosts independently determine respective sizes for respective issue queues.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.