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Dell PowerScale OneFS: Writable Snapshots
Executive summary Overview Writable snapshots prerequisites Configuring and managing writable snapshots Monitoring and reporting Writable snapshots and OneFS domains Nested writable snapshots Symbolic and hard links with writable snapshots Licensing requirements Writable snapshots performance Writable snapshots and OneFS data services Writable snapshots and data replication Writable snapshots workflows
Overview
Best practices and considerations Conclusion Technical support and resources

Overview

Overview

  • OneFS writable snapshots are used to create and manage space-efficient copies of production environments, which can be beneficial for the following workflow scenarios:

    Workflow

    Description

    Development and test

    Writable snapshots allow test and development personnel to work with real workloads and use all data services that are associated with production storage resources without interfering with production.

    Parallel processing

    Parallel processing workloads that span multiple servers can be configured to use multiple writable snapshots of a single production dataset to accelerate time to outcomes and results.

    System deployment

    Writable snapshots can be used to build and deploy templates for identical or near-identical environments. For example, take a read-only snapshot of a test template or golden image, and create writable snapshots of it as needed for predictable testing.

    Disaster recovery testing

    Writable snapshots can be used to quickly create clones of production datasets. This action allows disaster recovery procedures to be routinely tested on identical, space-efficient copies of production data.

    A growing number of enterprises are using Bubble or Isolate and Test networks where the DR test is conducted inside a replicated environment, so it closely resembles production.