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410b18981e
- Needs to correct the command structure in Expanding a persistent volume claim. - Here is the documentation link: https://docs.redhat.com/en/documentation/openshift_container_platform/4.16/html/storage/configuring-persistent-storage#lvms-scaling-expand-pvc_logical-volume-manager-storage Here is the current documentation: 2. Update the value of the spec.resources.requests.storage field to a value that is greater than the current value by running the following command: ~~~ $ oc patch pvc <pvc_name> -n <application_namespace> \ --type=merge -p \ '{ "spec": { "resources": { "requests": { "storage": "<desired_size>" }}}}' ~~~ - In the above commands, the "- -" signs are incorrectly placed below the "$" symbol. - However, they should be aligned parallel to the "oc" command, where the command begins.* Here is the updated look: 2. Update the value of the spec.resources.requests.storage field to a value that is greater than the current value by running the following command: ~~~ $ oc patch pvc <pvc_name> -n <application_namespace> \ 1 --type=merge -p \ '{ "spec": { "resources": { "requests": { "storage": "<desired_size>" }}}}' ~~~ - The commands will work as it is, but the structure is incorrect. - It should be standard format all over the documentation. - Hence it needs to be changed.
42 lines
1.4 KiB
Plaintext
42 lines
1.4 KiB
Plaintext
// Module included in the following assemblies:
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//
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// storage/persistent_storage/persistent_storage_local/persistent-storage-using-lvms.adoc
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:_mod-docs-content-type: PROCEDURE
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[id="lvms-scaling-expand-pvc_{context}"]
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= Expanding a persistent volume claim
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After scaling up the storage of a cluster, you can expand the existing persistent volume claims (PVCs).
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To expand a PVC, you must update the `storage` field in the PVC.
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.Prerequisites
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* Dynamic provisioning is used.
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* The `StorageClass` object associated with the PVC has the `allowVolumeExpansion` field set to `true`.
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.Procedure
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. Log in to the OpenShift CLI (`oc`).
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. Update the value of the `spec.resources.requests.storage` field to a value that is greater than the current value by running the following command:
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+
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[source,terminal]
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----
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$ oc patch pvc <pvc_name> -n <application_namespace> \ <1>
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--type=merge -p \ '{ "spec": { "resources": { "requests": { "storage": "<desired_size>" }}}}' <2>
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----
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<1> Replace `<pvc_name>` with the name of the PVC that you want to expand.
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<2> Replace `<desired_size>` with the new size to expand the PVC.
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.Verification
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* To verify that resizing is completed, run the following command:
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+
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[source, terminal]
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----
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$ oc get pvc <pvc_name> -n <application_namespace> -o=jsonpath={.status.capacity.storage}
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----
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+
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{lvms} adds the `Resizing` condition to the PVC during expansion. It deletes the `Resizing` condition after the PVC expansion.
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