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Nesta página, explicamos como criar uma cópia, ou snapshot, de um volume de armazenamento em um
momento específico para seu aplicativo de contêiner. Com um snapshot de volume, é possível
trazer um volume de volta a um estado anterior ou provisionar um novo volume.
Esta página é destinada a desenvolvedores do grupo de operadores de aplicativos, que são
responsáveis por criar cargas de trabalho de aplicativos para a organização. Para mais informações, consulte Públicos-alvo para documentação isolada do GDC.
Antes de começar
Para executar comandos em um cluster do Kubernetes, verifique se você tem os seguintes recursos:
Localize o nome do cluster do Kubernetes ou pergunte ao administrador da plataforma.
Faça login e gere o arquivo kubeconfig para o cluster do Kubernetes se você não tiver um.
Use o caminho kubeconfig do cluster do Kubernetes para substituir
KUBERNETES_CLUSTER_KUBECONFIG nestas instruções.
Para receber as permissões necessárias para gerenciar snapshots de volume, peça ao administrador do IAM da organização para conceder a você o papel de administrador do namespace (namespace-admin) no namespace do projeto.
Criar um snapshot de volume
Para criar um snapshot de um objeto PersistentVolumeClaim, crie um objeto
VolumeSnapshot. O sistema não garante a consistência dos dados. Pause o aplicativo e limpe os dados antes de tirar um instantâneo.
[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Informações incorretas ou exemplo de código","incorrectInformationOrSampleCode","thumb-down"],["Não contém as informações/amostras de que eu preciso","missingTheInformationSamplesINeed","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Outro","otherDown","thumb-down"]],["Última atualização 2025-09-04 UTC."],[[["\u003cp\u003eVolume snapshots allow you to create a point-in-time copy of a volume for restoration or provisioning new volumes, and in Kubernetes, they are managed through the \u003ccode\u003eVolumeSnapshot\u003c/code\u003e object.\u003c/p\u003e\n"],["\u003cp\u003eBefore taking a volume snapshot, ensure you have the Kubernetes cluster name and its kubeconfig file, and also need the Namespace Admin role permissions in your project namespace.\u003c/p\u003e\n"],["\u003cp\u003eTaking a volume snapshot requires creating a \u003ccode\u003eVolumeSnapshot\u003c/code\u003e object, specifying the \u003ccode\u003ePersistentVolumeClaim\u003c/code\u003e to snapshot, using a \u003ccode\u003ekubectl\u003c/code\u003e command with your cluster's kubeconfig and replacing placeholder variables.\u003c/p\u003e\n"],["\u003cp\u003eYou can check the snapshot's status using a specific \u003ccode\u003ekubectl\u003c/code\u003e command, and it is ready when the \u003ccode\u003e.status.readyToUse\u003c/code\u003e field is \u003ccode\u003etrue\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eTo restore a volume from a snapshot, update the \u003ccode\u003ePersistentVolumeClaim\u003c/code\u003e manifest to specify the snapshot as the data source, referencing the \u003ccode\u003eVolumeSnapshot\u003c/code\u003e name and other details.\u003c/p\u003e\n"]]],[],null,["# Create volume snapshots\n\nThis page explains how to create a copy, or snapshot, of a storage volume at a\nspecific point in time for your container application. A volume snapshot lets\nyou bring a volume back to a prior state or provision a new volume.\n\nThis page is for developers within the application operator group, who are\nresponsible for creating application workloads for their organization. For more\ninformation, see\n[Audiences for GDC air-gapped documentation](/distributed-cloud/hosted/docs/latest/gdch/resources/audiences).\n\nBefore you begin\n----------------\n\nTo run commands against a\n[Kubernetes cluster](/distributed-cloud/hosted/docs/latest/gdch/platform/pa-user/clusters#cluster-architecture),\nmake sure you have the following resources:\n\n1. Locate the Kubernetes cluster name, or ask your Platform Administrator what\n the cluster name is.\n\n2. [Sign in and generate](/distributed-cloud/hosted/docs/latest/gdch/application/ao-user/iam/sign-in#zonal-cluster-kubeconfig)\n the kubeconfig file for the Kubernetes cluster if you don't have one.\n\n3. Use the kubeconfig path of the Kubernetes cluster to replace\n \u003cvar translate=\"no\"\u003eKUBERNETES_CLUSTER_KUBECONFIG\u003c/var\u003e in these instructions.\n\nTo get the required permissions to manage volume snapshots, ask your\nOrganization IAM Admin to grant you the Namespace Admin role (`namespace-admin`)\nin your project namespace.\n\nTake a volume snapshot\n----------------------\n\nTo take a snapshot of a `PersistentVolumeClaim` object, create a\n`VolumeSnapshot` object. The system does not guarantee data consistency. Pause\nthe application and flush data before taking a snapshot.\n\n1. Create a `VolumeSnapshot` custom resource:\n\n kubectl --kubeconfig \u003cvar translate=\"no\"\u003eKUBERNETES_CLUSTER_KUBECONFIG\u003c/var\u003e \\\n --namespace \u003cvar translate=\"no\"\u003eNAMESPACE\u003c/var\u003e apply -f - \u003c\u003cEOF\n apiVersion: snapshot.storage.k8s.io/v1\n kind: VolumeSnapshot\n metadata:\n name: \u003cvar translate=\"no\"\u003eVOLUME_SNAPSHOT_NAME\u003c/var\u003e\n spec:\n source:\n persistentVolumeClaimName: \u003cvar translate=\"no\"\u003ePVC_NAME\u003c/var\u003e\n EOF\n\n Replace the following:\n - \u003cvar translate=\"no\"\u003eKUBERNETES_CLUSTER_KUBECONFIG\u003c/var\u003e: the kubeconfig file for\n the cluster.\n\n - \u003cvar translate=\"no\"\u003eNAMESPACE\u003c/var\u003e: the project namespace in which to create the\n volume snapshot.\n\n - \u003cvar translate=\"no\"\u003eVOLUME_SNAPSHOT_NAME\u003c/var\u003e: the `VolumeSnapshot` object\n name.\n\n - \u003cvar translate=\"no\"\u003ePVC_NAME\u003c/var\u003e: the name of the PVC for which you are\n creating a snapshot.\n\n2. The snapshot operation is complete when the `.status.readyToUse` field\n becomes `true`. You can use the following command to check the status:\n\n kubectl --kubeconfig \u003cvar translate=\"no\"\u003eKUBERNETES_CLUSTER_KUBECONFIG\u003c/var\u003e get volumesnapshot \\\n -o custom-columns='NAME:.metadata.name,READY:.status.readyToUse'\n\n3. Update the PVC manifest with the volume snapshot specified as a data\n source:\n\n kubectl --kubeconfig \u003cvar translate=\"no\"\u003eKUBERNETES_CLUSTER_KUBECONFIG\u003c/var\u003e \\\n --namespace \u003cvar translate=\"no\"\u003eNAMESPACE\u003c/var\u003e apply -f - \u003c\u003cEOF\n apiVersion: v1\n kind: PersistentVolumeClaim\n metadata:\n name: \u003cvar translate=\"no\"\u003ePVC_NAME\u003c/var\u003e\n spec:\n dataSource:\n name: \u003cvar translate=\"no\"\u003eVOLUME_SNAPSHOT_NAME\u003c/var\u003e\n kind: VolumeSnapshot\n apiGroup: snapshot.storage.k8s.io\n storageClassName: standard-rwo\n accessModes:\n - ReadWriteOnce\n resources:\n requests:\n storage: 10Gi\n EOF\n\n Replace the following:\n - \u003cvar translate=\"no\"\u003eKUBERNETES_CLUSTER_KUBECONFIG\u003c/var\u003e: the kubeconfig file for\n the cluster.\n\n - \u003cvar translate=\"no\"\u003eNAMESPACE\u003c/var\u003e: the namespace in which the PVC\n resource exists.\n\n - \u003cvar translate=\"no\"\u003ePVC_NAME\u003c/var\u003e: the name of the PVC for which you are\n creating a snapshot.\n\n - \u003cvar translate=\"no\"\u003eVOLUME_SNAPSHOT_NAME\u003c/var\u003e: the name of the volume\n snapshot.\n\nWhat's next\n-----------\n\n- [Container workloads overview](/distributed-cloud/hosted/docs/latest/gdch/application/ao-user/containers/containers-intro)\n- [Create stateful workloads](/distributed-cloud/hosted/docs/latest/gdch/application/ao-user/containers/create-stateful-workloads)\n- [Access persistent storage](/distributed-cloud/hosted/docs/latest/gdch/application/ao-user/containers/access-persistent-storage)"]]