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  1. Couchbase Server
  2. MB-51412

[BP 7.0.4] - [Windows] - Graceful failover + delta recovery + rebalance fails - {service_rebalance_failed,cbas, {agent_died,<26046.22190.1>, {linked_process_died,<26046.22191.1>, {no_connection,"cbas-service_api"}}}}.

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    • Untriaged
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    • Unknown
    • CX Sprint 283, CX Sprint 284

    Description

      Steps to Repro
      1. Create a 4 node cluster with all services enabled.
      2. Import all the sample buckets.
      3. Enable TLS on 6.6.5 using following commands.

      1. curl -v -u Administrator:password -X POST http://localhost:8091/internalSettings -d "canEnableStrictEncryption=true"
      2. enable n2n encryption
      /opt/couchbase/bin/couchbase-cli node-to-node-encryption -c http://localhost:8091 -u Administrator -p password --enable
      3. Enforce it to strict
      curl -v -u Administrator:password http://localhost:8091/settings/security -d "clusterEncryptionLevel=strict"

      4. Disable TLS

      1. Bring it back to control from strict
      curl -v -u Administrator:password http://localhost:8091/settings/security -d "clusterEncryptionLevel=control"
      2. Disable n2n encryption
      /opt/couchbase/bin/couchbase-cli node-to-node-encryption -c http://localhost:8091 -u Administrator -p password --disable

      5. Do a graceful failover of one node(172.23.136.142).
      6. Do delta recovery of that node and rebalance.

      Rebalance failed as shown below.
      ns_1@172.23.136.137 11:45:25 PM 11 Jan, 2022

      Rebalance exited with reason {service_rebalance_failed,cbas,
      {agent_died,<26046.22190.1>,
      {linked_process_died,<26046.22191.1>,
      {no_connection,"cbas-service_api"}}}}.
      Rebalance Operation Id = 8bac2722070289d1b31b3c18f0aaedb3
      

      cbcollect_info attached. Retry of the failed rebalance worked fine.

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              Balakumaran.Gopal Balakumaran Gopal
              Balakumaran.Gopal Balakumaran Gopal
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                Updated:
                Resolved:

                PagerDuty