Help Center > > User Guide> Managing Active Clusters> Managing a Component> Canceling Isolation of a Host

Canceling Isolation of a Host

Updated at: Apr 28, 2020 GMT+08:00

Scenario

After a host fault is rectified, users must cancel the isolation of the host so that the host can be used properly.

Users can cancel the isolation of a host on MRS Manager.

Prerequisites

  • The host status is Isolated.
  • The host fault has been rectified.
  • IAM user synchronization has been completed. (On the Dashboard tab page of the cluster details page, click on the right side of IAM User Sync to synchronize IAM users.)
    Figure 1 IAM User Sync

Procedure

  1. On the MRS cluster details page, click Nodes.

    For MRS 1.8.10 or earlier, follow instructions in Canceling Isolation of a Host.

  2. Unfold node group information, and select the checkbox of the host that you want to cancel its isolation.
  3. Choose Node Operation > Cancel Host Isolation.
  4. In Cancel Host Isolation, click OK.

    When Operation succeeded is displayed, click Finish. Host isolation is canceled successfully, and the value of Operational Status becomes Normal.

  5. Click the name of the host for which isolation has been canceled. Status of the host is displayed. Click Start All Roles.

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