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  1. Couchbase Server
  2. MB-62689

[Capella][File based rebalance] Azure Cluster stuck at Scaling state after upgrade to 7.6.2

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      While running an upgrade test on the AMI - 7.6.2-3721, the Capella cluster was stuck at a state of `scaling` after the upgrade cluster got completed and the cluster was scaling in from 5 to 3 nodes.
      (Screenshot attached below)
       
       
      1 - Bucket Specs :
           - DISK : 10,641 MiB
           - RAM quota : 3,228 MiB / 5,500 MiB
      2. All services are colocated on all nodes, max index size: 80mb
      3 - CSP : azure, Region : East US (Virginia), AMI :
          - (deployed at) : couchbase-cloud-server-7.2.5-v7596.0.32
          - (upgraded to) : couchbase-cloud-server-7.6.2-v3721.0.35
      4 - During the action to scale-in from 5 to 3 nodes, gsi rebalance got stuck at 98.5% .
      5- server logs + dd logs (attached below)
      6 - cluster alive and can be found here

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            dhruvil.ketanshah Dhruvil Shah
            vipul.bhardwaj Vipul Bhardwaj
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