Optimal paths with SCSI I/O referrals
US8055815B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2009 |
| Grant date | Nov 8, 2011 |
| Priority date | — |
| Expiry date | Apr 21, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/563
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure is directed to a method for communication between an initiator system and a block storage cluster. The method may comprise receiving an initial data request from the initiator system to a first storage system, a portion of the data requested in the initial data request is not stored by the first storage system, but is stored by a second storage system; retrieving the portion of the data that is stored by the second storage system; forwarding the portion of the data to the initiator system; and transmitting a referral list comprising at least one referral from the first storage system to the initiator system, wherein the initiator system is configured for maintaining a referral cache based on the referral list, and a subsequent data request initiated by the initiator system is directed to the block storage cluster based on the referral cache.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.