Failure in ZooKeeper Capacity Expansion or Migration

Problem Information

Problem Symptom

The ZK process fails to be migrated.

Problem Diagnosis

Check whether the migration or capacity expansion fails.

Causes

Network or node exceptions occur during capacity expansion or migration.

Solution

Use PuTTY to log in to the active FSM node through the management plane floating IP address and switch to user root.

Run the ismcli -u admin command and enter user name admin and its password to log in to the CLI.

1. If the task fails in the step of writing ZooKeeper configurations to the MDC node, run the following commands to restore the ZooKeeper configurations:

   change cluster_profile update cluster_type=manager process=zk

   change cluster_profile update cluster_type=manager process=mdc

   change cluster_profile update cluster_type=eds process=cm

   change cluster_profile update cluster_type=rep process=cm

2. If the task fails in the step of writing ZooKeeper configurations to the EDS CM node, run the following commands to rectify the fault:

   change cluster_profile update cluster_type=eds process=cm

   change cluster_profile update cluster_type=rep process=cm

3. If the task fails in the step of writing ZooKeeper configurations to the REP CM node, run the following commands to rectify the fault:

   change cluster_profile update cluster_type=rep process=cm

Check After Recovery

N/A

Suggestion and Summary

N/A

Applicable Versions

All