`fstrim_cloned_disks`=`<boolean>` ('default =' `0`);;
-Run fstrim after cloning/moving a disk.
+Run fstrim after moving a disk or migrating the VM.
`type`=`<isa | virtio>` ('default =' `virtio`);;
+
NOTE: this option is for experts only.
-`audio0`: `device=<ich9-intel-hda|intel-hda|AC97> [,driver=<spice>]` ::
+`audio0`: `device=<ich9-intel-hda|intel-hda|AC97> [,driver=<spice|none>]` ::
Configure a audio device, useful in combination with QXL/Spice.
Configure an audio device.
-`driver`=`<spice>` ('default =' `spice`);;
+`driver`=`<none | spice>` ('default =' `spice`);;
Driver backend for the audio device.
Select BIOS implementation.
-`boot`: `[acdn]{1,4}` ('default =' `cdn`)::
+`boot`: `[[legacy=]<[acdn]{1,4}>] [,order=<device[;device...]>]` ::
-Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n).
+Specify guest boot order. Use with 'order=', usage with no key or 'legacy=' is deprecated.
+
+`legacy`=`<[acdn]{1,4}>` ('default =' `cdn`);;
+
+Boot on floppy (a), hard disk (c), CD-ROM (d), or network (n). Deprecated, use 'order=' instead.
+
+`order`=`<device[;device...]>` ;;
+
+The guest will attempt to boot from devices in the order they appear here.
++
+Disks, optical drives and passed-through storage USB devices will be directly
+booted from, NICs will load PXE, and PCIe devices will either behave like disks
+(e.g. NVMe) or load an option ROM (e.g. RAID controller, hardware NIC).
++
+Note that only devices in this list will be marked as bootable and thus loaded
+by the guest firmware (BIOS/UEFI). If you require multiple disks for booting
+(e.g. software-raid), you need to specify all of them here.
++
+Overrides the deprecated 'legacy=[acdn]*' value when given.
`bootdisk`: `(ide|sata|scsi|virtio)\d+` ::
-Enable booting from specified disk.
+Enable booting from specified disk. Deprecated: Use 'boot: order=foo;bar' instead.
`cdrom`: `<volume>` ::
`meta`=`<volume>` ;;
-Specify a custom file containing all meta data passed to the VM via cloud-init. This is provider specific meaning configdrive2 and nocloud differ.
+Specify a custom file containing all meta data passed to the VM via"
+ ." cloud-init. This is provider specific meaning configdrive2 and nocloud differ.
`network`=`<volume>` ;;
cloud-init: Password to assign the user. Using this is generally not recommended. Use ssh keys instead. Also note that older cloud-init versions do not support hashed passwords.
-`citype`: `<configdrive2 | nocloud>` ::
+`citype`: `<configdrive2 | nocloud | opennebula>` ::
Specifies the cloud-init configuration format. The default depends on the configured operating system type (`ostype`. We use the `nocloud` format for Linux, and `configdrive2` for windows.
The number of cores per socket.
-`cpu`: `[cputype=]<enum> [,flags=<+FLAG[;-FLAG...]>] [,hidden=<1|0>] [,hv-vendor-id=<vendor-id>]` ::
+`cpu`: `[[cputype=]<string>] [,flags=<+FLAG[;-FLAG...]>] [,hidden=<1|0>] [,hv-vendor-id=<vendor-id>] [,phys-bits=<8-64|host>] [,reported-model=<enum>]` ::
Emulated CPU type.
-`cputype`=`<486 | Broadwell | Broadwell-IBRS | Broadwell-noTSX | Broadwell-noTSX-IBRS | Cascadelake-Server | Conroe | EPYC | EPYC-IBPB | Haswell | Haswell-IBRS | Haswell-noTSX | Haswell-noTSX-IBRS | IvyBridge | IvyBridge-IBRS | KnightsMill | Nehalem | Nehalem-IBRS | Opteron_G1 | Opteron_G2 | Opteron_G3 | Opteron_G4 | Opteron_G5 | Penryn | SandyBridge | SandyBridge-IBRS | Skylake-Client | Skylake-Client-IBRS | Skylake-Server | Skylake-Server-IBRS | Westmere | Westmere-IBRS | athlon | core2duo | coreduo | host | kvm32 | kvm64 | max | pentium | pentium2 | pentium3 | phenom | qemu32 | qemu64>` ('default =' `kvm64`);;
+`cputype`=`<string>` ('default =' `kvm64`);;
-Emulated CPU type.
+Emulated CPU type. Can be default or custom name (custom model names must be prefixed with 'custom-').
`flags`=`<+FLAG[;-FLAG...]>` ;;
-List of additional CPU flags separated by ';'. Use '+FLAG' to enable, '-FLAG' to disable a flag. Currently supported flags: pcid, spec-ctrl, ibpb, ssbd, virt-ssbd, amd-ssbd, amd-no-ssb, pdpe1gb, md-clear, hv-tlbflush, hv-evmcs, aes.
+List of additional CPU flags separated by ';'. Use '+FLAG' to enable, '-FLAG' to disable a flag. Custom CPU models can specify any flag supported by QEMU/KVM, VM-specific flags must be from the following set for security reasons: pcid, spec-ctrl, ibpb, ssbd, virt-ssbd, amd-ssbd, amd-no-ssb, pdpe1gb, md-clear, hv-tlbflush, hv-evmcs, aes.
`hidden`=`<boolean>` ('default =' `0`);;
The Hyper-V vendor ID. Some drivers or programs inside Windows guests need a specific ID.
+`phys-bits`=`<8-64|host>` ;;
+
+The physical memory address bits that are reported to the guest OS. Should be smaller or equal to the host's. Set to 'host' to use value from host CPU, but note that doing so will break live migration to CPUs with other values.
+
+`reported-model`=`<486 | Broadwell | Broadwell-IBRS | Broadwell-noTSX | Broadwell-noTSX-IBRS | Cascadelake-Server | Cascadelake-Server-noTSX | Conroe | EPYC | EPYC-IBPB | EPYC-Rome | Haswell | Haswell-IBRS | Haswell-noTSX | Haswell-noTSX-IBRS | Icelake-Client | Icelake-Client-noTSX | Icelake-Server | Icelake-Server-noTSX | IvyBridge | IvyBridge-IBRS | KnightsMill | Nehalem | Nehalem-IBRS | Opteron_G1 | Opteron_G2 | Opteron_G3 | Opteron_G4 | Opteron_G5 | Penryn | SandyBridge | SandyBridge-IBRS | Skylake-Client | Skylake-Client-IBRS | Skylake-Client-noTSX-IBRS | Skylake-Server | Skylake-Server-IBRS | Skylake-Server-noTSX-IBRS | Westmere | Westmere-IBRS | athlon | core2duo | coreduo | host | kvm32 | kvm64 | max | pentium | pentium2 | pentium3 | phenom | qemu32 | qemu64>` ('default =' `kvm64`);;
+
+CPU model and vendor to report to the guest. Must be a QEMU/KVM supported model. Only valid for custom CPU model definitions, default models will always report themselves to the guest OS.
+
`cpulimit`: `<number> (0 - 128)` ('default =' `0`)::
Limit of CPU usage.
`description`: `<string>` ::
-Description for the VM. Only used on the configuration web interface. This is saved as comment inside the configuration file.
+Description for the VM. Shown in the web-interface VM's summary. This is saved as comment inside the configuration file.
`efidisk0`: `[file=]<volume> [,format=<enum>] [,size=<DiskSize>]` ::
-Configure a Disk for storing EFI vars
+Configure a Disk for storing EFI vars. Use the special syntax STORAGE_ID:SIZE_IN_GiB to allocate a new volume. Note that SIZE_IN_GiB is ignored here and that the default EFI vars are copied to the volume instead.
`file`=`<volume>` ;;
Script that will be executed during various steps in the vms lifetime.
-`hostpci[n]`: `[host=]<HOSTPCIID[;HOSTPCIID2...]> [,mdev=<string>] [,pcie=<1|0>] [,rombar=<1|0>] [,romfile=<string>] [,x-vga=<1|0>]` ::
+`hostpci[n]`: `[host=]<HOSTPCIID[;HOSTPCIID2...]> [,legacy-igd=<1|0>] [,mdev=<string>] [,pcie=<1|0>] [,rombar=<1|0>] [,romfile=<string>] [,x-vga=<1|0>]` ::
Map host PCI devices into guest.
+
+
You can us the 'lspci' command to list existing PCI devices.
+`legacy-igd`=`<boolean>` ('default =' `0`);;
+
+Pass this device in legacy IGD mode, making it the primary and exclusive graphics device in the VM. Requires 'pc-i440fx' machine type and VGA set to 'none'.
+
`mdev`=`<string>` ;;
The type of mediated device to use.
Enable/disable hugepages memory.
-`ide[n]`: `[file=]<volume> [,aio=<native|threads>] [,backup=<1|0>] [,bps=<bps>] [,bps_max_length=<seconds>] [,bps_rd=<bps>] [,bps_rd_max_length=<seconds>] [,bps_wr=<bps>] [,bps_wr_max_length=<seconds>] [,cache=<enum>] [,cyls=<integer>] [,detect_zeroes=<1|0>] [,discard=<ignore|on>] [,format=<enum>] [,heads=<integer>] [,iops=<iops>] [,iops_max=<iops>] [,iops_max_length=<seconds>] [,iops_rd=<iops>] [,iops_rd_max=<iops>] [,iops_rd_max_length=<seconds>] [,iops_wr=<iops>] [,iops_wr_max=<iops>] [,iops_wr_max_length=<seconds>] [,mbps=<mbps>] [,mbps_max=<mbps>] [,mbps_rd=<mbps>] [,mbps_rd_max=<mbps>] [,mbps_wr=<mbps>] [,mbps_wr_max=<mbps>] [,media=<cdrom|disk>] [,model=<model>] [,replicate=<1|0>] [,rerror=<ignore|report|stop>] [,secs=<integer>] [,serial=<serial>] [,shared=<1|0>] [,size=<DiskSize>] [,snapshot=<1|0>] [,ssd=<1|0>] [,trans=<none|lba|auto>] [,werror=<enum>] [,wwn=<wwn>]` ::
+`ide[n]`: `[file=]<volume> [,aio=<native|threads|io_uring>] [,backup=<1|0>] [,bps=<bps>] [,bps_max_length=<seconds>] [,bps_rd=<bps>] [,bps_rd_max_length=<seconds>] [,bps_wr=<bps>] [,bps_wr_max_length=<seconds>] [,cache=<enum>] [,cyls=<integer>] [,detect_zeroes=<1|0>] [,discard=<ignore|on>] [,format=<enum>] [,heads=<integer>] [,iops=<iops>] [,iops_max=<iops>] [,iops_max_length=<seconds>] [,iops_rd=<iops>] [,iops_rd_max=<iops>] [,iops_rd_max_length=<seconds>] [,iops_wr=<iops>] [,iops_wr_max=<iops>] [,iops_wr_max_length=<seconds>] [,mbps=<mbps>] [,mbps_max=<mbps>] [,mbps_rd=<mbps>] [,mbps_rd_max=<mbps>] [,mbps_wr=<mbps>] [,mbps_wr_max=<mbps>] [,media=<cdrom|disk>] [,model=<model>] [,replicate=<1|0>] [,rerror=<ignore|report|stop>] [,secs=<integer>] [,serial=<serial>] [,shared=<1|0>] [,size=<DiskSize>] [,snapshot=<1|0>] [,ssd=<1|0>] [,trans=<none|lba|auto>] [,werror=<enum>] [,wwn=<wwn>]` ::
-Use volume as IDE hard disk or CD-ROM (n is 0 to 3).
+Use volume as IDE hard disk or CD-ROM (n is 0 to 3). Use the special syntax STORAGE_ID:SIZE_IN_GiB to allocate a new volume.
-`aio`=`<native | threads>` ;;
+`aio`=`<io_uring | native | threads>` ;;
AIO type to use.
+
IP addresses use CIDR notation, gateways are optional but need an IP of the same type specified.
+
-The special string 'dhcp' can be used for IP addresses to use DHCP, in which case no explicit gateway should be provided.
-For IPv6 the special string 'auto' can be used to use stateless autoconfiguration.
+The special string 'dhcp' can be used for IP addresses to use DHCP, in which case no explicit
+gateway should be provided.
+For IPv6 the special string 'auto' can be used to use stateless autoconfiguration. This requires
+cloud-init 19.4 or newer.
+
-If cloud-init is enabled and neither an IPv4 nor an IPv6 address is specified, it defaults to using dhcp on IPv4.
+If cloud-init is enabled and neither an IPv4 nor an IPv6 address is specified, it defaults to using
+dhcp on IPv4.
`gw`=`<GatewayIPv4>` ;;
The size of the file in MB.
+`keephugepages`: `<boolean>` ('default =' `0`)::
+
+Use together with hugepages. If enabled, hugepages will not not be deleted after VM shutdown and can be used for subsequent starts.
+
`keyboard`: `<da | de | de-ch | en-gb | en-us | es | fi | fr | fr-be | fr-ca | fr-ch | hu | is | it | ja | lt | mk | nl | no | pl | pt | pt-br | sl | sv | tr>` ::
Keybord layout for vnc server. Default is read from the '/etc/pve/datacenter.cfg' configuration file.It should not be necessary to set it.
`nameserver`: `<string>` ::
-cloud-init: Sets DNS server IP address for a container. Create will automatically use the setting from the host if neither searchdomain nor nameserver are set.
+cloud-init: Sets DNS server IP address for a container. Create will'
+ .' automatically use the setting from the host if neither searchdomain nor nameserver'
+ .' are set.
-`net[n]`: `[model=]<enum> [,bridge=<bridge>] [,firewall=<1|0>] [,link_down=<1|0>] [,macaddr=<XX:XX:XX:XX:XX:XX>] [,queues=<integer>] [,rate=<number>] [,tag=<integer>] [,trunks=<vlanid[;vlanid...]>] [,<model>=<macaddr>]` ::
+`net[n]`: `[model=]<enum> [,bridge=<bridge>] [,firewall=<1|0>] [,link_down=<1|0>] [,macaddr=<XX:XX:XX:XX:XX:XX>] [,mtu=<integer>] [,queues=<integer>] [,rate=<number>] [,tag=<integer>] [,trunks=<vlanid[;vlanid...]>] [,<model>=<macaddr>]` ::
Specify network devices.
Network Card Model. The 'virtio' model provides the best performance with very low CPU overhead. If your guest does not support this driver, it is usually best to use 'e1000'.
+`mtu`=`<integer> (1 - 65520)` ;;
+
+Force MTU, for VirtIO only. Set to '1' to use the bridge MTU
+
`queues`=`<integer> (0 - 16)` ;;
Number of packet queues to be used on the device.
wvista;; Microsoft Windows Vista
win7;; Microsoft Windows 7
win8;; Microsoft Windows 8/2012/2012r2
-win10;; Microsoft Windows 10/2016
+win10;; Microsoft Windows 10/2016/2019
l24;; Linux 2.4 Kernel
l26;; Linux 2.6 - 5.X Kernel
solaris;; Solaris/OpenSolaris/OpenIndiania kernel
Map host parallel devices (n is 0 to 2).
+
-NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
+NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such
+machines - use with special care.
+
CAUTION: Experimental! User reported problems with this option.
Allow reboot. If set to '0' the VM exit on reboot.
-`sata[n]`: `[file=]<volume> [,aio=<native|threads>] [,backup=<1|0>] [,bps=<bps>] [,bps_max_length=<seconds>] [,bps_rd=<bps>] [,bps_rd_max_length=<seconds>] [,bps_wr=<bps>] [,bps_wr_max_length=<seconds>] [,cache=<enum>] [,cyls=<integer>] [,detect_zeroes=<1|0>] [,discard=<ignore|on>] [,format=<enum>] [,heads=<integer>] [,iops=<iops>] [,iops_max=<iops>] [,iops_max_length=<seconds>] [,iops_rd=<iops>] [,iops_rd_max=<iops>] [,iops_rd_max_length=<seconds>] [,iops_wr=<iops>] [,iops_wr_max=<iops>] [,iops_wr_max_length=<seconds>] [,mbps=<mbps>] [,mbps_max=<mbps>] [,mbps_rd=<mbps>] [,mbps_rd_max=<mbps>] [,mbps_wr=<mbps>] [,mbps_wr_max=<mbps>] [,media=<cdrom|disk>] [,replicate=<1|0>] [,rerror=<ignore|report|stop>] [,secs=<integer>] [,serial=<serial>] [,shared=<1|0>] [,size=<DiskSize>] [,snapshot=<1|0>] [,ssd=<1|0>] [,trans=<none|lba|auto>] [,werror=<enum>] [,wwn=<wwn>]` ::
+`rng0`: `[source=]</dev/urandom|/dev/random|/dev/hwrng> [,max_bytes=<integer>] [,period=<integer>]` ::
+
+Configure a VirtIO-based Random Number Generator.
+
+`max_bytes`=`<integer>` ('default =' `1024`);;
+
+Maximum bytes of entropy injected into the guest every 'period' milliseconds. Prefer a lower value when using /dev/random as source. Use 0 to disable limiting (potentially dangerous!).
+
+`period`=`<integer>` ('default =' `1000`);;
+
+Every 'period' milliseconds the entropy-injection quota is reset, allowing the guest to retrieve another 'max_bytes' of entropy.
-Use volume as SATA hard disk or CD-ROM (n is 0 to 5).
+`source`=`</dev/hwrng | /dev/random | /dev/urandom>` ;;
-`aio`=`<native | threads>` ;;
+The file on the host to gather entropy from. In most cases /dev/urandom should be preferred over /dev/random to avoid entropy-starvation issues on the host. Using urandom does *not* decrease security in any meaningful way, as it's still seeded from real entropy, and the bytes provided will most likely be mixed with real entropy on the guest as well. /dev/hwrng can be used to pass through a hardware RNG from the host.
+
+`sata[n]`: `[file=]<volume> [,aio=<native|threads|io_uring>] [,backup=<1|0>] [,bps=<bps>] [,bps_max_length=<seconds>] [,bps_rd=<bps>] [,bps_rd_max_length=<seconds>] [,bps_wr=<bps>] [,bps_wr_max_length=<seconds>] [,cache=<enum>] [,cyls=<integer>] [,detect_zeroes=<1|0>] [,discard=<ignore|on>] [,format=<enum>] [,heads=<integer>] [,iops=<iops>] [,iops_max=<iops>] [,iops_max_length=<seconds>] [,iops_rd=<iops>] [,iops_rd_max=<iops>] [,iops_rd_max_length=<seconds>] [,iops_wr=<iops>] [,iops_wr_max=<iops>] [,iops_wr_max_length=<seconds>] [,mbps=<mbps>] [,mbps_max=<mbps>] [,mbps_rd=<mbps>] [,mbps_rd_max=<mbps>] [,mbps_wr=<mbps>] [,mbps_wr_max=<mbps>] [,media=<cdrom|disk>] [,replicate=<1|0>] [,rerror=<ignore|report|stop>] [,secs=<integer>] [,serial=<serial>] [,shared=<1|0>] [,size=<DiskSize>] [,snapshot=<1|0>] [,ssd=<1|0>] [,trans=<none|lba|auto>] [,werror=<enum>] [,wwn=<wwn>]` ::
+
+Use volume as SATA hard disk or CD-ROM (n is 0 to 5). Use the special syntax STORAGE_ID:SIZE_IN_GiB to allocate a new volume.
+
+`aio`=`<io_uring | native | threads>` ;;
AIO type to use.
The drive's worldwide name, encoded as 16 bytes hex string, prefixed by '0x'.
-`scsi[n]`: `[file=]<volume> [,aio=<native|threads>] [,backup=<1|0>] [,bps=<bps>] [,bps_max_length=<seconds>] [,bps_rd=<bps>] [,bps_rd_max_length=<seconds>] [,bps_wr=<bps>] [,bps_wr_max_length=<seconds>] [,cache=<enum>] [,cyls=<integer>] [,detect_zeroes=<1|0>] [,discard=<ignore|on>] [,format=<enum>] [,heads=<integer>] [,iops=<iops>] [,iops_max=<iops>] [,iops_max_length=<seconds>] [,iops_rd=<iops>] [,iops_rd_max=<iops>] [,iops_rd_max_length=<seconds>] [,iops_wr=<iops>] [,iops_wr_max=<iops>] [,iops_wr_max_length=<seconds>] [,iothread=<1|0>] [,mbps=<mbps>] [,mbps_max=<mbps>] [,mbps_rd=<mbps>] [,mbps_rd_max=<mbps>] [,mbps_wr=<mbps>] [,mbps_wr_max=<mbps>] [,media=<cdrom|disk>] [,queues=<integer>] [,replicate=<1|0>] [,rerror=<ignore|report|stop>] [,scsiblock=<1|0>] [,secs=<integer>] [,serial=<serial>] [,shared=<1|0>] [,size=<DiskSize>] [,snapshot=<1|0>] [,ssd=<1|0>] [,trans=<none|lba|auto>] [,werror=<enum>] [,wwn=<wwn>]` ::
+`scsi[n]`: `[file=]<volume> [,aio=<native|threads|io_uring>] [,backup=<1|0>] [,bps=<bps>] [,bps_max_length=<seconds>] [,bps_rd=<bps>] [,bps_rd_max_length=<seconds>] [,bps_wr=<bps>] [,bps_wr_max_length=<seconds>] [,cache=<enum>] [,cyls=<integer>] [,detect_zeroes=<1|0>] [,discard=<ignore|on>] [,format=<enum>] [,heads=<integer>] [,iops=<iops>] [,iops_max=<iops>] [,iops_max_length=<seconds>] [,iops_rd=<iops>] [,iops_rd_max=<iops>] [,iops_rd_max_length=<seconds>] [,iops_wr=<iops>] [,iops_wr_max=<iops>] [,iops_wr_max_length=<seconds>] [,iothread=<1|0>] [,mbps=<mbps>] [,mbps_max=<mbps>] [,mbps_rd=<mbps>] [,mbps_rd_max=<mbps>] [,mbps_wr=<mbps>] [,mbps_wr_max=<mbps>] [,media=<cdrom|disk>] [,queues=<integer>] [,replicate=<1|0>] [,rerror=<ignore|report|stop>] [,scsiblock=<1|0>] [,secs=<integer>] [,serial=<serial>] [,shared=<1|0>] [,size=<DiskSize>] [,snapshot=<1|0>] [,ssd=<1|0>] [,trans=<none|lba|auto>] [,werror=<enum>] [,wwn=<wwn>]` ::
-Use volume as SCSI hard disk or CD-ROM (n is 0 to 30).
+Use volume as SCSI hard disk or CD-ROM (n is 0 to 30). Use the special syntax STORAGE_ID:SIZE_IN_GiB to allocate a new volume.
-`aio`=`<native | threads>` ;;
+`aio`=`<io_uring | native | threads>` ;;
AIO type to use.
`searchdomain`: `<string>` ::
-cloud-init: Sets DNS search domains for a container. Create will automatically use the setting from the host if neither searchdomain nor nameserver are set.
+cloud-init: Sets DNS search domains for a container. Create will'
+ .' automatically use the setting from the host if neither searchdomain nor nameserver'
+ .' are set.
`serial[n]`: `(/dev/.+|socket)` ::
host serial device (i.e. /dev/ttyS0), or create a unix socket on the
host side (use 'qm terminal' to open a terminal connection).
+
-NOTE: If you pass through a host serial device, it is no longer possible to migrate such machines - use with special care.
+NOTE: If you pass through a host serial device, it is no longer possible to migrate such machines -
+use with special care.
+
CAUTION: Experimental! User reported problems with this option.
`startdate`: `(now | YYYY-MM-DD | YYYY-MM-DDTHH:MM:SS)` ('default =' `now`)::
-Set the initial date of the real time clock. Valid format for date are: 'now' or '2006-06-17T16:01:21' or '2006-06-17'.
+Set the initial date of the real time clock. Valid format for date are:'now' or '2006-06-17T16:01:21' or '2006-06-17'.
`startup`: `[[order=]\d+] [,up=\d+] [,down=\d+] ` ::
`tablet`: `<boolean>` ('default =' `1`)::
-Enable/disable the USB tablet device. This device is usually needed to allow absolute mouse positioning with VNC. Else the mouse runs out of sync with normal VNC clients. If you're running lots of console-only guests on one host, you may consider disabling this to save some context switches. This is turned off by default if you use spice (-vga=qxl).
+Enable/disable the USB tablet device. This device is usually needed to allow absolute mouse positioning with VNC. Else the mouse runs out of sync with normal VNC clients. If you're running lots of console-only guests on one host, you may consider disabling this to save some context switches. This is turned off by default if you use spice (`qm set <vmid> --vga qxl`).
`tags`: `<string>` ::
Enable/disable Template.
-`unused[n]`: `<string>` ::
+`unused[n]`: `[file=]<volume>` ::
Reference to unused volumes. This is used internally, and should not be modified manually.
+`file`=`<volume>` ;;
+
+The drive's backing volume.
+
`usb[n]`: `[host=]<HOSTUSBDEVICE|spice> [,usb3=<1|0>]` ::
Configure an USB device (n is 0 to 4).
+
You can use the 'lsusb -t' command to list existing usb devices.
+
-NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
+NOTE: This option allows direct access to host hardware. So it is no longer possible to migrate such
+machines - use with special care.
+
The value 'spice' can be used to add a usb redirection devices for spice.
Select the VGA type.
-`virtio[n]`: `[file=]<volume> [,aio=<native|threads>] [,backup=<1|0>] [,bps=<bps>] [,bps_max_length=<seconds>] [,bps_rd=<bps>] [,bps_rd_max_length=<seconds>] [,bps_wr=<bps>] [,bps_wr_max_length=<seconds>] [,cache=<enum>] [,cyls=<integer>] [,detect_zeroes=<1|0>] [,discard=<ignore|on>] [,format=<enum>] [,heads=<integer>] [,iops=<iops>] [,iops_max=<iops>] [,iops_max_length=<seconds>] [,iops_rd=<iops>] [,iops_rd_max=<iops>] [,iops_rd_max_length=<seconds>] [,iops_wr=<iops>] [,iops_wr_max=<iops>] [,iops_wr_max_length=<seconds>] [,iothread=<1|0>] [,mbps=<mbps>] [,mbps_max=<mbps>] [,mbps_rd=<mbps>] [,mbps_rd_max=<mbps>] [,mbps_wr=<mbps>] [,mbps_wr_max=<mbps>] [,media=<cdrom|disk>] [,replicate=<1|0>] [,rerror=<ignore|report|stop>] [,secs=<integer>] [,serial=<serial>] [,shared=<1|0>] [,size=<DiskSize>] [,snapshot=<1|0>] [,trans=<none|lba|auto>] [,werror=<enum>]` ::
+`virtio[n]`: `[file=]<volume> [,aio=<native|threads|io_uring>] [,backup=<1|0>] [,bps=<bps>] [,bps_max_length=<seconds>] [,bps_rd=<bps>] [,bps_rd_max_length=<seconds>] [,bps_wr=<bps>] [,bps_wr_max_length=<seconds>] [,cache=<enum>] [,cyls=<integer>] [,detect_zeroes=<1|0>] [,discard=<ignore|on>] [,format=<enum>] [,heads=<integer>] [,iops=<iops>] [,iops_max=<iops>] [,iops_max_length=<seconds>] [,iops_rd=<iops>] [,iops_rd_max=<iops>] [,iops_rd_max_length=<seconds>] [,iops_wr=<iops>] [,iops_wr_max=<iops>] [,iops_wr_max_length=<seconds>] [,iothread=<1|0>] [,mbps=<mbps>] [,mbps_max=<mbps>] [,mbps_rd=<mbps>] [,mbps_rd_max=<mbps>] [,mbps_wr=<mbps>] [,mbps_wr_max=<mbps>] [,media=<cdrom|disk>] [,replicate=<1|0>] [,rerror=<ignore|report|stop>] [,secs=<integer>] [,serial=<serial>] [,shared=<1|0>] [,size=<DiskSize>] [,snapshot=<1|0>] [,trans=<none|lba|auto>] [,werror=<enum>]` ::
-Use volume as VIRTIO hard disk (n is 0 to 15).
+Use volume as VIRTIO hard disk (n is 0 to 15). Use the special syntax STORAGE_ID:SIZE_IN_GiB to allocate a new volume.
-`aio`=`<native | threads>` ;;
+`aio`=`<io_uring | native | threads>` ;;
AIO type to use.
`vmgenid`: `<UUID>` ('default =' `1 (autogenerated)`)::
The VM generation ID (vmgenid) device exposes a 128-bit integer value identifier to the guest OS. This allows to notify the guest operating system when the virtual machine is executed with a different configuration (e.g. snapshot execution or creation from a template). The guest operating system notices the change, and is then able to react as appropriate by marking its copies of distributed databases as dirty, re-initializing its random number generator, etc.
-Note that auto-creation only works when done throug API/CLI create or update methods, but not when manually editing the config file.
+Note that auto-creation only works when done through API/CLI create or update methods, but not when manually editing the config file.
`vmstatestorage`: `<string>` ::
projects / pve-docs.git / blobdiff