Fix issue 6182

Signed-off-by: Lyndon-Li <lyonghui@vmware.com>

changelogs/unreleased/6189-Lyndon-Li

@@ -0,0 +1 @@
+Fix issue #6182. If pod is not running, don't treat it as an error, let it go and leave a warning.

pkg/podvolume/backupper.go

@@ -132,6 +132,21 @@ func (b *backupper) BackupPodVolumes(backup *velerov1api.Backup, pod *corev1api.
 		return nil, nil
 	}
 
+	err := kube.IsPodRunning(pod)
+	if err != nil {
+		for _, volumeName := range volumesToBackup {
+			err = errors.Wrapf(err, "backup for volume %s is skipped", volumeName)
+			log.WithError(err).Warn("Skip pod volume")
+		}
+
+		return nil, nil
+	}
+
+	err = nodeagent.IsRunningInNode(b.ctx, backup.Namespace, pod.Spec.NodeName, b.podClient)
+	if err != nil {
+		return nil, []error{err}
+	}
+
 	repositoryType := getRepositoryType(b.uploaderType)
 	if repositoryType == "" {
 		err := errors.Errorf("empty repository type, uploader %s", b.uploaderType)
@@ -143,16 +158,6 @@ func (b *backupper) BackupPodVolumes(backup *velerov1api.Backup, pod *corev1api.
 		return nil, []error{err}
 	}
 
-	err = kube.IsPodRunning(pod)
-	if err != nil {
-		return nil, []error{err}
-	}
-
-	err = nodeagent.IsRunningInNode(b.ctx, backup.Namespace, pod.Spec.NodeName, b.podClient)
-	if err != nil {
-		return nil, []error{err}
-	}
-
 	// get a single non-exclusive lock since we'll wait for all individual
 	// backups to be complete before releasing it.
 	b.repoLocker.Lock(repo.Name)