Invention Grant
- Patent Title: Managing workflow communication in a distributed storage system
- Patent Title (中): 管理分布式存储系统中的工作流通信
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Application No.: US12402469Application Date: 2009-03-11
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Publication No.: US08090683B2Publication Date: 2012-01-03
- Inventor: Peter D. Beaman , Tuyen M. Tran , Robert S. Newson
- Applicant: Peter D. Beaman , Tuyen M. Tran , Robert S. Newson
- Applicant Address: US MA Boston
- Assignee: Iron Mountain Incorporated
- Current Assignee: Iron Mountain Incorporated
- Current Assignee Address: US MA Boston
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner LLP
- Main IPC: G06F17/00
- IPC: G06F17/00

Abstract:
In a data storage system having a plurality of storage nodes storing replicas of stripes, one storage node serves as a primary stripe node for a stripe. Client applications using the data storage system request operations affecting metadata stored in the stripe, and the data storage system creates workflow objects to implement the requested operation. Once the operation is completed, the workflow is acknowledged. A method for establishing a new primary stripe node comprises performing, by a selected storage node, a feasibility determination to determine the feasibility of the selected storage node becoming the new primary stripe node. It is feasible to become a new primary stripe node when doing so does not cause workflows that have been acknowledged, or that will be acknowledged, to result in strays.
Public/Granted literature
- US20100217931A1 MANAGING WORKFLOW COMMUNICATION IN A DISTRIBUTED STORAGE SYSTEM Public/Granted day:2010-08-26
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