Help Center > > User Guide> Managing an Existing Cluster> Component Management> Canceling Host Isolation

Canceling Host Isolation

Updated at:Sep 08, 2020 GMT+08:00

Scenario

After the exception or fault of a host is handled, you must cancel the isolation of the host for proper usage.

You can cancel the isolation of a host on MRS.

Prerequisites

  • The host is in the Isolated state.
  • The exception or fault of the host has been rectified.
  • You have synchronized IAM users (on the Dashboard tab page, click Click to synchronize on the right side of IAM User Sync to synchronize IAM users).
    Figure 1 IAM user synchronization

Procedure

  1. On the MRS details page, click Nodes.

    For MRS 1.8.10 or earlier, see Canceling Isolation of a Host.

  2. Unfold the node group information and select the check box of the target host that you want to cancel its isolation.
  3. Choose Node Operation > Cancel Host Isolation.
  4. Confirm the information about the host to be isolated and click OK.

    When Operation successful is displayed, click Finish. The host is de-isolated successfully, and the value of Operating Status becomes Normal.

  5. Select the host that has been de-isolated and choose Node Operation > Start All Roles.

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