10.3.7. 部分的な移行の失敗のデバッグ

手順

1. MigMigration CR のステータスを確認します。

   $ oc get migmigration <migmigration> -o yaml

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   出力例

   status:
     conditions:
     - category: Warn
       durable: true
       lastTransitionTime: "2021-01-26T20:48:40Z"
       message: 'Final Restore openshift-migration/ccc7c2d0-6017-11eb-afab-85d0007f5a19-x4lbf: partially failed on destination cluster'
       status: "True"
       type: VeleroFinalRestorePartiallyFailed
     - category: Advisory
       durable: true
       lastTransitionTime: "2021-01-26T20:48:42Z"
       message: The migration has completed with warnings, please look at `Warn` conditions.
       reason: Completed
       status: "True"
       type: SucceededWithWarnings

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2. Velero describe コマンドを使用して Restore CR のステータスを確認します。

   $ oc -n {namespace} exec deployment/velero -c velero -- ./velero \
     restore describe <restore>

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   出力例

   Phase:  PartiallyFailed (run 'velero restore logs ccc7c2d0-6017-11eb-afab-85d0007f5a19-x4lbf' for more information)
   
   Errors:
     Velero:     <none>
     Cluster:    <none>
     Namespaces:
       migration-example:  error restoring example.com/migration-example/migration-example: the server could not find the requested resource

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3. Velero logs コマンドを使用して Restore CR ログを確認します。

   $ oc -n {namespace} exec deployment/velero -c velero -- ./velero \
     restore logs <restore>

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   出力例

   time="2021-01-26T20:48:37Z" level=info msg="Attempting to restore migration-example: migration-example" logSource="pkg/restore/restore.go:1107" restore=openshift-migration/ccc7c2d0-6017-11eb-afab-85d0007f5a19-x4lbf
   time="2021-01-26T20:48:37Z" level=info msg="error restoring migration-example: the server could not find the requested resource" logSource="pkg/restore/restore.go:1170" restore=openshift-migration/ccc7c2d0-6017-11eb-afab-85d0007f5a19-x4lbf

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   Restore CR のログエラーメッセージの the server could not find the requested resource は、部分的に失敗した移行の原因を示します。