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openshift-docs/modules/persistent-storage-flexvolume-drivers.adoc
2023-10-30 10:13:25 -04:00

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// Module included in the following assemblies:
//
// storage/persistent_storage/persistent-storage-flexvolume.adoc
:_mod-docs-content-type: CONCEPT
[id="flexvolume-drivers_{context}"]
= About FlexVolume drivers
A FlexVolume driver is an executable file that resides in a well-defined directory on all nodes in the cluster. {product-title} calls the FlexVolume driver whenever it needs to mount or unmount a volume represented by a `PersistentVolume` object with `flexVolume` as the source.
[IMPORTANT]
====
Attach and detach operations are not supported in {product-title} for FlexVolume.
====