Overview
CCI supports multiple types of persistent storage to meet your requirements in different scenarios. You can use the following types of storage volumes when creating a workload:
- Elastic Volume Service (EVS) volumes
You can mount an EVS volume into a container path. When the container is migrated, the mounted EVS volume is also migrated. EVS volumes are ideal for persistent data storage. For details, see EVS Volumes.
When using EVS volumes to store data, note the following:
- You cannot mount an EVS volume to multiple pods.
- EVS disks in multiple AZs cannot be mounted to a single pod.
- SFS Turbo volumes
You can create SFS Turbo volumes and mount them to specific container paths. SFS Turbo volumes are fast, on-demand, and scalable. They are suitable for DevOps, containerized microservices, and enterprise office applications. For details, see SFS Turbo Volumes.
PersistentVolumeClaim (PVC)
CCI uses PVCs to apply for and manage persistent storage. With PVCs, you only need to specify the type and capacity of storage resources and do not need to worry about how to create and release underlying storage resources.
You can bind a PVC to the volume in a pod and use persistent storage through the PVC.
On the CCI console, you can import existing EVS disks and SFS Turbo file systems. When you import these storage resources, CCI creates a PVC for them.
You can also purchase EVS disks on the CCI console. After the purchase, CCI will create PVCs for them and import them.
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