diff --git a/qm.adoc b/qm.adoc index 1a5ad3b..15ac2fc 100644 --- a/qm.adoc +++ b/qm.adoc @@ -1047,6 +1047,7 @@ For Windows, it can be installed from the 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 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -1054,6 +1055,10 @@ Communication from {pve} with the guest agent can be enabled in the VM's *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: @@ -1069,6 +1074,7 @@ know about the change in the underlying storage, only the first guest-trim will 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 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -1087,7 +1093,7 @@ backup by setting the `freeze-fs-on-backup` QGA option to `0`. This can also be 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.