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38 lines
1.6 KiB
Plaintext
38 lines
1.6 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * virt/virtual_machines/virtual_disks/virt-hot-plugging-virtual-disks.adoc
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:_mod-docs-content-type: PROCEDURE
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[id="virt-hot-plugging-disk-cli_{context}"]
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= Hot plugging and hot unplugging a disk by using the CLI
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You can hot plug and hot unplug a disk while a virtual machine (VM) is running by using the command line.
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You can make a hot plugged disk persistent so that it is permanently mounted on the VM.
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.Prerequisites
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* You must have at least one data volume or persistent volume claim (PVC) available for hot plugging.
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.Procedure
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* Hot plug a disk by running the following command:
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+
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[source,terminal]
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----
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$ virtctl addvolume <virtual-machine|virtual-machine-instance> \
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--volume-name=<datavolume|PVC> \
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[--persist] [--serial=<label-name>]
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----
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** Use the optional `--persist` flag to add the hot plugged disk to the virtual machine specification as a permanently mounted virtual disk. Stop, restart, or reboot the virtual machine to permanently mount the virtual disk. After specifying the `--persist` flag, you can no longer hot plug or hot unplug the virtual disk. The `--persist` flag applies to virtual machines, not virtual machine instances.
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** The optional `--serial` flag allows you to add an alphanumeric string label of your choice. This helps you to identify the hot plugged disk in a guest virtual machine. If you do not specify this option, the label defaults to the name of the hot plugged data volume or PVC.
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* Hot unplug a disk by running the following command:
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+
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[source,terminal]
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----
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$ virtctl removevolume <virtual-machine|virtual-machine-instance> \
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--volume-name=<datavolume|PVC>
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----
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