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Chapter 4. Administration tasks
This chapter covers additional administration tasks for guests using the para-virtualized Windows® drivers.
4.1. Hot plugging para-virtualized disks
The para-virtualized drivers allow disk hot plugging for Windows fully virtualized guests. To hot plug para-virtualized disks use the
virsh command modifying <domain>, <disk image file> and <device node>:
# virsh attach-disk --driver tap --subdriver aio <domain> <disk image file> <device node>Using
virsh to attach a new, hot plugged disk, labeled /var/lib/xen/images/wxp32-2.img, with the alias /dev/xvdb to the guest named wxp32:
# virsh attach-disk --driver tap --subdriver aio wxp32 /var/lib/xen/images/wxp32-2.img /dev/xvdbTo detach a disk dynamically, use
virsh with the detach-disk option:
virsh detach-disk <domain> <device node>This example detaches a disk,
/dev/xvdb, from a guest named wxp32:
# virsh detach-disk wxp32 /dev/xvdb
