tencent cloud



Last updated: 2021-04-19 16:23:47

    Cluster storage management is an important part of preserving business data. At present, Tencent Kubernetes Engine (TKE) supports multiple classes of storage.

    Storage Class

    Storage Class Description Usage
    Tencent Cloud Block Storage (CBS) CBS provides persistent storage at the data block level. It is typically used as the primary storage device for data that requires frequent and fine-grained updates (such as file systems and databases), and it’s featured with high availability, reliability, and performance. Create persistent volumes (PVs) and persistent volume claims (PVCs), and then mount dynamic or static volumes to workloads. For more information, see Using CBS.
    Tencent Cloud File Storage (CFS) CFS provides standard NFS and CIFS/SMB file system access protocols as well as shared data sources for multiple CVM instances or other computing services. It supports elastic capacity and performance expansion. As a highly available and reliable distributed file system, CFS is suitable for scenarios such as big data analysis, media processing, and content management. Creat PVs and PVCs, and then mount dynamic or static volumes to workloads. For more information, see Using CFS.
    Tencent Cloud Object Storage (COS) COS is a distributed storage service provided by Tencent Cloud for massive file storage. You can use COS to upload, download, and manage files in different formats. Create PVs and PVCs, and then mount static volumes to workloads.
    Others - TKE also supports the following following local storage options for workloads: host path, NFS disk, ConfigMap, and Secret. For more information, see Volume Management.


    We recommend that you use the cloud storage service. Otherwise, when a node encounters an exception and cannot be restored, the locally stored data cannot be restored.

    • PersistentVolume (PV): this is a storage resource in a cluster. A PV is independent of the pod lifecycle. You can create PVs of different types depending on the StorageClass type.
    • PersistentVolumeClaim (PVC): this is a request for storage in a cluster. For example, if a PV is a node resource used by a pod, the PVC states that the PV resource is used. If PV resources are insufficient, the PVC can create a PV dynamically.
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