diff --git a/en/configure-storage-class.md b/en/configure-storage-class.md index 90a97f49b..be73047c6 100644 --- a/en/configure-storage-class.md +++ b/en/configure-storage-class.md @@ -6,7 +6,7 @@ aliases: ['/docs/tidb-in-kubernetes/dev/configure-storage-class/','/docs/dev/tid # Persistent Storage Class Configuration on Kubernetes -TiDB cluster components such as PD, TiKV, TiDB monitoring, and `tidb-backup` require persistent storage for data. To achieve this on Kubernetes, you need to use [PersistentVolume (PV)](https://kubernetes.io/docs/concepts/storage/persistent-volumes/). Kubernetes supports different types of [storage classes](https://kubernetes.io/docs/concepts/storage/volumes/), which can be categorized into two main types: +TiDB cluster components such as PD, TiKV, TiDB monitoring, and BR require persistent storage for data. To achieve this on Kubernetes, you need to use [PersistentVolume (PV)](https://kubernetes.io/docs/concepts/storage/persistent-volumes/). Kubernetes supports different types of [storage classes](https://kubernetes.io/docs/concepts/storage/volumes/), which can be categorized into two main types: - Network storage @@ -28,9 +28,9 @@ TiKV uses the Raft protocol to replicate data. When a node fails, PD automatical PD also uses Raft to replicate data. PD is not an I/O-intensive application, but rather a database for storing cluster meta information. Therefore, a local SAS disk or network SSD storage such as EBS General Purpose SSD (gp2) volumes on AWS or SSD persistent disks on Google Cloud can meet the requirements. -To ensure availability, it is recommended to use network storage for components such as TiDB monitoring, and `tidb-backup` because they do not have redundant replicas. +To ensure availability, it is recommended to use network storage for components such as TiDB monitoring, and BR because they do not have redundant replicas. -When deploying TiDB clusters or `tidb-backup` with TiDB Operator, you can configure the `StorageClass` for the components that require persistent storage via the corresponding `storageClassName` field in the `values.yaml` configuration file. The `StorageClassName` is set to `local-storage` by default. +When deploying TiDB clusters or BR with TiDB Operator, you can configure the `StorageClass` for the components that require persistent storage via the corresponding `storageClassName` field in the `values.yaml` configuration file. The `StorageClassName` is set to `local-storage` by default. ## Network PV configuration