[GitHub] [cloudstack] slavkap commented on pull request #5297: KVM disk-only based snapshot of volumes instead of taking VM's full snapshot and extracting disks

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slavkap commented on PR #5297:
URL: https://github.com/apache/cloudstack/pull/5297#issuecomment-1088968824

   @nvazquez, with this scenario, the same issue appears in 4.16.1.0. It is not related to this PR. When you migrate a VM with its volumes, new volumes are created, and after the migration, CS deletes the old ones. With the volumes' deletion, CS removes the records of the snapshots on Primary for that volumes. I've opened an issue with this problem #5433 on which there is a need for a discussion.
   
   > ERROR [c.c.a.ApiAsyncJobDispatcher] (API-Job-Executor-19:ctx-242e389f job-111414) (logid:3705cbcf) Unexpected exception while executing org.apache.cloudstack.api.command.user.snapshot.RevertSnapshotCmd
   com.cloud.utils.exception.CloudRuntimeException: Cannot find an entry for snapshot 4853 on primary storage pools
   	at org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl.revertSnapshot(SnapshotServiceImpl.java:433)


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