Invention Grant
- Patent Title: Techniques for maintaining communications sessions among nodes in a storage cluster system
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Application No.: US16716391Application Date: 2019-12-16
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Publication No.: US11016866B2Publication Date: 2021-05-25
- Inventor: Paul Yuedong Mu , Manoj Sundararajan , Paul Ngan
- Applicant: NetApp Inc.
- Applicant Address: US CA Sunnyvale
- Assignee: NetApp Inc.
- Current Assignee: NetApp Inc.
- Current Assignee Address: US CA Sunnyvale
- Agency: Cooper Legal Group, LLC
- Main IPC: G06F11/00
- IPC: G06F11/00 ; G06F11/20 ; G06F11/14

Abstract:
Various embodiments are generally directed to techniques for preparing to respond to failures in performing a data access command to modify client device data in a storage cluster system. An apparatus may include a processor component of a first node coupled to a first storage device; an access component to perform a command on the first storage device; a replication component to exchange a replica of the command with the second node via a communications session formed between the first and second nodes to enable at least a partially parallel performance of the command by the first and second nodes; and a multipath component to change a state of the communications session from inactive to active to enable the exchange of the replica based on an indication of a failure within a third node that precludes performance of the command by the third node. Other embodiments are described and claimed.
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