virsh attach-disk is a command used in the Virtualization environment to attach a new disk or hard drive to a virtual machine. It is part of the virsh CLI (Command Line Interface) tool, which can be used to manage and configure virtual machines using KVM (Kernel-based Virtual Machine) hypervisor.
The syntax for the command is:
virsh attach-disk
For example, the following command attaches a new hard drive named “mydisk.img” to a virtual machine named “myvm”:
virsh attach-disk myvm /path/to/mydisk.img vdb –subdriver=qemu –persistent
This command attaches the disk image located at /path/to/mydisk.img as /dev/vdb on the virtual machine “myvm”. The subdriver option is set to qemu and the persistent option is enabled so that the disk remains attached even after a reboot.
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