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Scheduling EVS Disks Across AZs Using csi-disk-topology Background EVS disks cannot be attached to a node deployed in another AZ. For example, the EVS disks in AZ 1 cannot be attached to a node in AZ 2.
What Should I Do If I/O Suspension Occasionally Occurs When SCSI EVS Disks Are Used? Symptom When SCSI EVS disks are used and containers are created and deleted on a CentOS node, the disks are frequently mounted and unmounted.
If an underlying yearly/monthly EVS disk has expired, you may encounter the following situations: If the EVS disk is still in the retention period, you can renew the EVS disk to continue using it.
What Should I Do If a Yearly/Monthly EVS Disk Cannot Be Automatically Created? Symptom When creating a yearly/monthly EVS disk, the payment permission cannot be added to cce_cluster_agency.
Alternatively, you can view the EVS disk based on the volume name on the EVS console. Parent Topic: Using EVS Disks as Storage Volumes
In the navigation pane, choose Elastic Volume Service > Disks. Click the name of the target EVS disk to go to its details page.
EVS EVS Overview Using an Existing EVS Disk Through a Static PV Using an EVS Disk Through a Dynamic PV Dynamically Mounting an EVS Disk to a StatefulSet Encrypting EVS Disks Expanding the Capacity of an EVS Disk Snapshots and Backups Configuring EVS Mount Options Parent Topic: Storage
(kubectl) Creating a Pod Mounted with an EVS Volume Scenarios After an EVS volume is created or imported to CCE, you can mount it to a workload. EVS volumes cannot be mounted across AZs.
Local EV Local Ephemeral Volumes (EVs) are stored in EV storage pools. Local EVs deliver better performance than the default storage medium of native emptyDir and support scale-out. Prerequisites You have created a cluster and installed the CSI add-on (Everest) in the cluster.
Solution Create a new EVS disk for future use. Parent Topic: Storage
Using EVS Disks as Storage Volumes Overview (kubectl) Automatically Creating an EVS Disk (kubectl) Creating a PV from an Existing EVS Disk (kubectl) Creating a Pod Mounted with an EVS Volume Parent Topic: Storage Management: FlexVolume (Deprecated)
For EVS disks, set this parameter to huawei.com/fuxivol. volumeID Volume ID of the EVS disk.
In the navigation pane, choose Elastic Volume Service > Disks. Click the name of the target EVS disk to go to its details page.
Parent Topic: EVS
EVS Overview To achieve persistent storage, CCE allows you to mount the storage volumes created from Elastic Volume Service (EVS) disks to a path of a container. When the container is migrated within an AZ, the mounted EVS volumes are also migrated.
Run the following command to create a PVC: kubectl apply -f pvc-evs-auto.yaml Go to the PVCs tab and check whether the PVC of the encrypted EVS disk is created and whether the disk is encrypted. Parent Topic: EVS
EVS mount options cannot be configured for workloads running on Huawei Cloud EulerOS 1.1 or CentOS 7.6 nodes. EVS Mount Options CCE supports the mount options listed in the following table.
EVS
Expanding the Capacity of an EVS Disk If the EVS disk attached to a workload does not have enough space, you can increase its capacity by expanding it. This section describes how to expand the capacity of an EVS disk through the console.
Overview To achieve persistent storage, CCE allows you to mount the storage volumes created from Elastic Volume Service (EVS) disks to a path of a container. When the container is migrated, the mounted EVS volumes are also migrated.
