https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/stable-virtio/virtio-win.iso[Fedora
VirtIO driver ISO].
+[[qm_qga_enable]]
Enable Guest Agent Communication
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
*Options* panel. A fresh start of the VM is necessary for the changes to take
effect.
+[[qm_qga_auto_trim]]
+Automatic TRIM Using QGA
+^^^^^^^^^^^^^^^^^^^^^^^^
+
It is possible to enable the 'Run guest-trim' option. With this enabled,
{pve} will issue a trim command to the guest after the following
operations that have the potential to write out zeros to the storage:
run as expected. Subsequent ones, until the next reboot, will only consider
parts of the filesystem that changed since then.
+[[qm_qga_fsfreeze]]
Filesystem Freeze & Thaw on Backup
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
done via the GUI with the 'Freeze/thaw guest filesystems on backup for
consistency' option.
-NOTE: Disabling this option can potentially lead to backups with inconsistent
+IMPORTANT: Disabling this option can potentially lead to backups with inconsistent
filesystems and should therefore only be disabled if you know what you are
doing.