During storage maintenance window you might asked to disable a specific storage path to a fibre switch or shared storage.
vSphere allows you to do that If you are using multipathing in your storage architecture.
To disable Storage Path follow the steps below:
Open vSphere Client select your host and go the configuration path
In the configuration Tab select Storage and right click and select properties of Datastore that you need to change path to
In the Properties window Click on Manage Paths
In the Path Selection Select Fixed(VMware)
Under Paths Select the effected path and right click on it and select disable.