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vmstorage Disk Expansion

This article describes the method for expanding the vmstorage disk. Please refer to the vmstorage disk capacity planning for the specifications of the vmstorage disk.

Procedure

Enable StorageClass expansion

  1. Log in to the DCE 5.0 platform as a global service cluster administrator. Click Container Management -> Clusters and go to the details of the kpanda-global-cluster cluster.

  2. Select the left navigation menu Container Storage -> PVCs and find the PVC bound to the vmstorage.

    Find vmstorage

  3. Click a vmstorage PVC to enter the details of the volume claim for vmstorage and confirm the StorageClass that the PVC is bound to.

    Modify Disk

  4. Select the left navigation menu Container Storage -> Storage Class and find local-path . Click the ⋮ on the right side of the target and select Edit in the popup menu.

    Edit StorageClass

  5. Enable Scale Up and click OK .

    Scale Up

Modify the disk capacity of vmstorage

  1. Log in to the DCE 5.0 platform as a global service cluster administrator and go to the details of the kpanda-global-cluster cluster.

  2. Select the left navigation menu CRDs and find the custom resource for vmcluster .

    vmcluster

  3. Click the custom resource for vmcluster to enter the details page, switch to the insight-system namespace, and select Edit YAML from the right menu of insight-victoria-metrics-k8s-stack .

    Edit YAML

  4. Modify according to the legend and click OK .

    Confirm Edit

  5. Select the left navigation menu Container Storage -> PVCs again and find the volume claim bound to vmstorage. Confirm that the modification has taken effect. In the details page of a PVC, click the associated storage source (PV).

    Relate PV

  6. Open the volume details page and click the Update button in the upper right corner.

    Update

  7. After modifying the Capacity , click OK and wait for a moment until the expansion is successful.

    Edit Storage

Clone the storage volume

If the storage volume expansion fails, you can refer to the following method to clone the storage volume.

  1. Log in to the DCE 5.0 platform as a global service cluster administrator and go to the details of the kpanda-global-cluster cluster.

  2. Select the left navigation menu Workloads -> StatefulSets and find the stateful set for vmstorage . Click the ⋮ on the right side of the target and select Status -> Stop -> OK in the popup menu.

    Stop Status

  3. After logging into the master node of the kpanda-global-cluster cluster in the command line, run the following command to copy the vm-data directory in the vmstorage container to store the metric information locally:

    kubectl cp -n insight-system vmstorage-insight-victoria-metrics-k8s-stack-1:vm-data ./vm-data

  4. Log in to the DCE 5.0 platform and go to the details of the kpanda-global-cluster cluster. Select the left navigation menu Container Storage -> PVs , click Clone in the upper right corner, and modify the capacity of the volume.

    Clone

    Edit Storage

  5. Delete the previous data volume of vmstorage.

    Delete vmstorage

  6. Wait for a moment until the volume claim is bound to the cloned data volume, then run the following command to import the exported data from step 3 into the corresponding container, and then start the previously paused vmstorage .

    kubectl cp -n insight-system ./vm-data vmstorage-insight-victoria-metrics-k8s-stack-1:vm-data

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