diff options
| -rwxr-xr-x | kvmx | 5 | ||||
| -rw-r--r-- | kvmxfile | 5 | ||||
| -rwxr-xr-x | share/provision/debian/basic | 3 |
3 files changed, 13 insertions, 0 deletions
@@ -547,6 +547,11 @@ function kvmx_up { image_opts="-cdrom $image" else image_opts="-drive file=$image,if=$drive_interface" + + # TRIM support + if [ "$image_discards" != "n" ]; then + image_opts="$image_opts,discard=unmap" + fi fi if [ ! -z "$virtio_rng" ]; then @@ -149,6 +149,11 @@ xrandr="0" # Image type: file or device (kvmx-create only) image_type="file" +# Discards support +# See https://jschumacher.info/2020/11/debian-qemu-libvirt-qcow2-and-fstrim/ +# https://chrisirwin.ca/posts/discard-with-kvm-2020/ +image_discards="y" + # Image size size="10G" diff --git a/share/provision/debian/basic b/share/provision/debian/basic index f3a282c..1ef8e13 100755 --- a/share/provision/debian/basic +++ b/share/provision/debian/basic @@ -75,5 +75,8 @@ fi # Fstrim # See https://pve.proxmox.com/wiki/Shrink_Qcow2_Disk_Files +# See also image_discards kvmxfile option +sudo systemctl enable fstrim.timer +sudo systemctl start fstrim.timer sudo fstrim -av sudo sync |