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  1. Home
  2. NetBackup™ Snapshot Manager for Cloud Install and Upgrade Guide
  3. Section II. NetBackup Snapshot Manager for Cloud maintenance
  4. Troubleshooting NetBackup Snapshot Manager for Cloud
  5. Acknowledgment not received for datamover
NetBackup™ Snapshot Manager for Cloud Install and Upgrade Guide

Acknowledgment not received for datamover

Backup job fails with the following error message, where acknowledgment is not received for datamover:

Oct 10, 2022 5:06:21 AM - begin SnapDupe Mount: Import Snapshot
Oct 10, 2022 5:06:21 AM - Info nbjm (pid=7578) 
BackupId=aws-ec2-us-east-2-xxxxxxxxxxxxxx_1665303611
Oct 10, 2022 5:06:23 AM - Info nbcs (pid=523) Start
Oct 10, 2022 5:06:23 AM - Info nbcs (pid=523) 
Requesting data mover container
Oct 10, 2022 5:18:36 AM - Error nbcs (pid=523) 
Invalid operation for asset: aws-ec2-us-east-2-xxxxxxxxxxxxxx
Oct 10, 2022 5:18:36 AM - Error nbcs (pid=523) 
Acknowledgment not received for datamover 
datamover.a2d3dc2249da45a0a839bc77eface2a4
Oct 10, 2022 5:18:36 AM - Info nbcs (pid=523) End

The above error message is observed on the cluster, when:

  • The pods are in ContainerCreating state. For example:

    flexsnap-workflow-general-1665398188-4d03f27e-fblxb   
                                        0/1     ContainerCreating   0    142m
    flexsnap-workflow-general-1665398188-538a8846-zrgtl   
                                        0/1     ContainerCreating   0    142m
    flexsnap-workflow-general-1665398188-87cb301a-5bqss   
                                        0/1     ContainerCreating   0    142m
    flexsnap-workflow-general-1665398188-f61f5f42-g2rhv   
                                        0/1     ContainerCreating   0    142m
  • The describe pod displays the events as follows:

     Type    Reason                  Age                   From     Message
     ----   ------                  ----                   ----     -------
      Normal   SandboxChanged          25m (x1874 over 140m)  kubelet  
      Pod sandbox changed, it will be killed and re-created.
      Warning  FailedCreatePodSandBox  56s (x2079 over 140m)  kubelet  
      (combined from similar events): Failed to create pod sandbox: 
      rpc error: code = Unknown desc
    =failed to set up sandbox container 
    "45f90b441cc4ea83efca63eacff1028779d4114fb213a5200e76f2e25373e054" 
      network for pod
    "flexsnap-workflow-general-1665398189-f46e636e-vrcdz": 
      networkPlugin cni failed to set up pod
    "flexsnap-workflow-general-1665398189-f46e636e-vrcdz_nbuxsystest" 
    network: add cmd: failed to assign an IP address to container

To resolve this issue, refer to the AWS troubleshooting section and implement the solution. Contact the AWS support for further troubleshooting.

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