특정 Google Distributed Cloud (GDC) 오프라인 릴리스에 따라 기존 데이터베이스 클러스터가 이전 GDC 버전에서 이전되지 않을 수 있습니다. 이러한 경우 출시를 적용하기 전에 보존해야 하는 중요한 데이터가 없는지 확인해야 합니다. 보존해야 하는 데이터의 경우 다음 단계에 따라 데이터를 이전하세요.
버전을 적용하기 전에 보존해야 하는 중요한 데이터가 없는지 확인해야 합니다. 보존해야 하는 데이터의 경우 다음 단계에 따라 데이터를 이전하세요.
[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["이해하기 어려움","hardToUnderstand","thumb-down"],["잘못된 정보 또는 샘플 코드","incorrectInformationOrSampleCode","thumb-down"],["필요한 정보/샘플이 없음","missingTheInformationSamplesINeed","thumb-down"],["번역 문제","translationIssue","thumb-down"],["기타","otherDown","thumb-down"]],["최종 업데이트: 2025-09-04(UTC)"],[],[],null,["# Preserve database clusters before an upgrade\n\nDepending on specific Google Distributed Cloud (GDC) air-gapped releases, existing database clusters may not be migrated forward from previous GDC versions. In these cases, before applying the release, you must confirm that there is no critical data that must be preserved. For data that must be preserved, follow these steps to migrate them forward:\n\nBefore applying the release, you must confirm that there is no critical data that must be preserved. For data that must be preserved, follow these steps to migrate them forward:\n\n1. [List database clusters](/distributed-cloud/hosted/docs/latest/gdch/application/ao-user/db-list-cluster) and identify the ones that must be preserved.\n2. For each database cluster, [export the data](/distributed-cloud/hosted/docs/latest/gdch/application/ao-user/db-export-cluster) and store it in a GDC bucket.\n3. Optional: To avoid additional changes, completely [delete the database cluster](/distributed-cloud/hosted/docs/latest/gdch/application/ao-user/db-delete-cluster) before applying the new GDC version.\n4. After the upgrade is complete, recreate the database cluster and [import the dump file](/distributed-cloud/hosted/docs/latest/gdch/application/ao-user/db-import-from-file) into it."]]