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Optimise disk performance

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Martin Wimpress 2021-09-28 22:48:38 +01:00
parent a611aa6005
commit 418c633546
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GPG key ID: 61DF940515E06DA3
1 changed files with 7 additions and 5 deletions
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12
quickemu
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@ -498,6 +498,7 @@ function vm_boot() {
fi fi
# Add the disks # Add the disks
# - https://turlucode.com/qemu-disk-io-performance-comparison-native-or-threads-windows-10-version/
if [ "${boot}" == "efi" ] || [ "${boot}" == "uefi" ]; then if [ "${boot}" == "efi" ] || [ "${boot}" == "uefi" ]; then
# shellcheck disable=SC2054 # shellcheck disable=SC2054
args+=(-drive if=pflash,format=raw,readonly=on,file="${EFI_CODE}" args+=(-drive if=pflash,format=raw,readonly=on,file="${EFI_CODE}"
@ -508,21 +509,22 @@ function vm_boot() {
# shellcheck disable=SC2054 # shellcheck disable=SC2054
args+=(-device ahci,id=ahci args+=(-device ahci,id=ahci
-device ide-hd,bus=ahci.0,drive=OpenCore -device ide-hd,bus=ahci.0,drive=OpenCore
-drive id=OpenCore,if=none,format=qcow2,file="${VMDIR}/OpenCore.qcow2") -drive id=OpenCore,if=none,cache=none,aio=native,format=qcow2,file="${VMDIR}/OpenCore.qcow2")
if [ -n "${img}" ]; then if [ -n "${img}" ]; then
# shellcheck disable=SC2054 # shellcheck disable=SC2054
args+=(-device ide-hd,bus=ahci.1,drive=InstallMedia args+=(-device ide-hd,bus=ahci.1,drive=InstallMedia
-drive id=InstallMedia,if=none,format=raw,file="${img}") -drive id=InstallMedia,if=none,cache=none,aio=native,format=raw,file="${img}")
fi fi
if [ "${virtio_blk}" == "on" ]; then if [ "${virtio_blk}" == "on" ]; then
# shellcheck disable=SC2054 # shellcheck disable=SC2054
args+=(-device virtio-blk-pci,drive=SystemDisk,scsi=off args+=(-device virtio-blk-pci,drive=SystemDisk,scsi=off
-drive id=SystemDisk,if=none,format=qcow2,file="${disk_img}" ${STATUS_QUO}) -drive id=SystemDisk,if=none,cache=none,aio=native,format=qcow2,file="${disk_img}" ${STATUS_QUO})
else else
# shellcheck disable=SC2054,SC2206 # shellcheck disable=SC2054,SC2206
args+=(-device ide-hd,bus=ahci.2,drive=SystemDisk args+=(-device ide-hd,bus=ahci.2,drive=SystemDisk
-drive id=SystemDisk,if=none,format=qcow2,file="${disk_img}" ${STATUS_QUO}) -drive id=SystemDisk,if=none,cache=none,aio=native,format=qcow2,file="${disk_img}" ${STATUS_QUO})
fi fi
if [ -n "${fixed_iso}" ]; then if [ -n "${fixed_iso}" ]; then
@ -542,7 +544,7 @@ function vm_boot() {
# shellcheck disable=SC2054,SC2206 # shellcheck disable=SC2054,SC2206
args+=(-device virtio-blk-pci,drive=drive0,scsi=off args+=(-device virtio-blk-pci,drive=drive0,scsi=off
-drive id=drive0,if=none,cache=directsync,aio=native,format=qcow2,file="${disk_img}" ${STATUS_QUO} -drive id=drive0,if=none,cache=none,aio=native,format=qcow2,file="${disk_img}" ${STATUS_QUO}
-device qemu-xhci,id=spicepass -device qemu-xhci,id=spicepass
-chardev spicevmc,id=usbredirchardev1,name=usbredir -chardev spicevmc,id=usbredirchardev1,name=usbredir
-device usb-redir,chardev=usbredirchardev1,id=usbredirdev1 -device usb-redir,chardev=usbredirchardev1,id=usbredirdev1