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Dell PowerFlex 4.5.x Administration Guide

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Add fault sets

Add a fault set to a protection domain to prevent data loss in case of a single failure.

About this task

You must adhere to the following process for creating fault sets:
  1. Ensure that a protection domain exists, or add a new one.
  2. Ensure that a storage pool and fault sets (with a minimum of three fault units) exist, or add new ones.
  3. Add the SDS and designate the protection domain and fault set. At the same time, add the SDS devices into a storage pool.

    If you use the automated deployment and installation tools, they follow this order automatically.

    You can only create and configure fault sets before adding SDSs to the system. Configuring fault sets incorrectly may prevent the creation of volumes. An SDS can only be added to a fault set during the creation of the SDS.

Steps

  1. On the menu bar, click Block > Fault Sets.
  2. In the right pane, click +Create Fault Set.
  3. In the Create Fault Set dialog box, enter a name and select the protection domain, and click Create.
  4. Verify that the operation has finished and was successful, and then click Dismiss.
    The new fault set is a part of the protection domain.

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