Invention Grant
- Patent Title: Distributed write journals that support fast snapshotting for a distributed file system
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Application No.: US16411690Application Date: 2019-05-14
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Publication No.: US11334522B2Publication Date: 2022-05-17
- Inventor: Apurv Gupta
- Applicant: Cohesity, Inc.
- Applicant Address: US CA San Jose
- Assignee: Cohesity, Inc.
- Current Assignee: Cohesity, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Van Pelt, Yi & James LLP
- Main IPC: G06F17/00
- IPC: G06F17/00 ; G06F7/00 ; G06F16/11

Abstract:
Embodiments presented herein disclose techniques for capturing a snapshot of a file system object (e.g., a file or a directory) that is associated with a write journal having outstanding data. A bridge process in a storage server receives a request to capture a snapshot of a file system object. The snapshot is a backup of a state of the file system object in a given point in time. Upon determining that the file system object has one or more outstanding updates recorded in a write journal, the bridge process generates a copy of the write journal. The bridge process captures the snapshot of the file system object. The bridge process also associates the copy of the write journal with the snapshot of the file system object.
Public/Granted literature
- US20190303350A1 DISTRIBUTED WRITE JOURNALS THAT SUPPORT FAST SNAPSHOTTING FOR A DISTRIBUTED FILE SYSTEM Public/Granted day:2019-10-03
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