btrfs: document df weirdness and how to better get usage

[pve-docs.git] / qm.1-synopsis.adoc

diff --git a/qm.1-synopsis.adoc b/qm.1-synopsis.adoc
index 301655494a143bb3f9031c32859c87b8d74138c7..4f3138d1011834d4ce317a0ce1d12fd60f630aa7 100644 (file)
--- a/qm.1-synopsis.adoc
+++ b/qm.1-synopsis.adoc
@@ -127,7 +127,7 @@ The backup archive. Either the file system path to a .tar or .vma file (use '-'
 
 Arbitrary arguments passed to kvm.
 
-`--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.
 
@@ -143,13 +143,13 @@ Amount of target RAM for the VM in MB. Using zero disables the ballon driver.
 
 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.
 
 `--bootdisk` `(ide|sata|scsi|virtio)\d+` ::
 
-Enable booting from specified disk.
+Enable booting from specified disk. Deprecated: Use 'boot: order=foo;bar' instead.
 
 `--bwlimit` `<integer> (0 - N)` ('default =' `restore limit from datacenter or storage config`)::
 
@@ -167,7 +167,7 @@ cloud-init: Specify custom files to replace the automatically generated ones at
 
 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.
 
@@ -179,7 +179,7 @@ cloud-init: User name to change ssh keys and password for instead of the image's
 
 The number of cores per socket.
 
-`--cpu` `<string>` ::
+`--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.
 
@@ -193,11 +193,11 @@ CPU weight for a VM.
 
 `--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.
 
 `--force` `<boolean>` ::
 
@@ -225,9 +225,9 @@ Selectively enable hotplug features. This is a comma separated list of hotplug f
 
 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.
 
 `--ipconfig[n]` `[gw=<GatewayIPv4>] [,gw6=<GatewayIPv6>] [,ip=<IPv4Format/CIDR>] [,ip6=<IPv6Format/CIDR>]` ::
 
@@ -235,15 +235,22 @@ cloud-init: Specify IP addresses and gateways for the corresponding interface.
 +
 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.
 
 `--ivshmem` `size=<integer> [,name=<string>]` ::
 
 Inter-VM shared memory. Useful for direct communication between VMs, or to the host.
 
+`--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.
@@ -252,6 +259,12 @@ Keybord layout for vnc server. Default is read from the '/etc/pve/datacenter.cfg
 
 Enable/disable KVM hardware virtualization.
 
+`--live-restore` `<boolean>` ::
+
+Start the VM immediately from the backup and restore in background. PBS only.
++
+NOTE: Requires option(s): `archive`
+
 `--localtime` `<boolean>` ::
 
 Set the real time clock to local time. This is enabled by default if ostype indicates a Microsoft OS.
@@ -282,7 +295,9 @@ Set a name for the VM. Only used on the configuration web interface.
 
 `--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>] [,mtu=<integer>] [,queues=<integer>] [,rate=<number>] [,tag=<integer>] [,trunks=<vlanid[;vlanid...]>] [,<model>=<macaddr>]` ::
 
@@ -324,13 +339,13 @@ Allow reboot. If set to '0' the VM exit on reboot.
 
 Configure a VirtIO-based Random Number Generator.
 
-`--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>]` ::
+`--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 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.
 
-`--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.
 
 `--scsihw` `<lsi | lsi53c810 | megasas | pvscsi | virtio-scsi-pci | virtio-scsi-single>` ('default =' `lsi`)::
 
@@ -338,7 +353,9 @@ SCSI controller model
 
 `--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)` ::
 
@@ -374,7 +391,7 @@ Start VM after it was created successfully.
 
 `--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+] ` ::
 
@@ -422,9 +439,9 @@ Number of hotplugged vcpus.
 
 Configure the VGA hardware.
 
-`--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.
 
 `--vmgenid` `<UUID>` ('default =' `1 (autogenerated)`)::
 
@@ -456,15 +473,20 @@ For removal from config file, even if removing disk snapshots fails.
 
 *qm destroy* `<vmid>` `[OPTIONS]`
 
-Destroy the vm (also delete all used/owned volumes).
+Destroy the VM and  all used/owned volumes. Removes any VM specific
+permissions and firewall rules
 
 `<vmid>`: `<integer> (1 - N)` ::
 
 The (unique) ID of the VM.
 
+`--destroy-unreferenced-disks` `<boolean>` ('default =' `0`)::
+
+If set, destroy additionally all disks not referenced in the config but with a matching VMID from all enabled storages.
+
 `--purge` `<boolean>` ::
 
-Remove vmid from backup cron jobs.
+Remove VMID from configurations, like backup & replication jobs and HA.
 
 `--skiplock` `<boolean>` ::
 
@@ -838,7 +860,7 @@ Virtual processor architecture. Defaults to the host.
 
 Arbitrary arguments passed to kvm.
 
-`--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.
 
@@ -854,13 +876,13 @@ Amount of target RAM for the VM in MB. Using zero disables the ballon driver.
 
 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.
 
 `--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>` ::
 
@@ -874,7 +896,7 @@ cloud-init: Specify custom files to replace the automatically generated ones at
 
 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.
 
@@ -886,7 +908,7 @@ cloud-init: User name to change ssh keys and password for instead of the image's
 
 The number of cores per socket.
 
-`--cpu` `<string>` ::
+`--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.
 
@@ -904,7 +926,7 @@ A list of settings you want to delete.
 
 `--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.
 
 `--digest` `<string>` ::
 
@@ -912,7 +934,7 @@ Prevent changes if current configuration file has different SHA1 digest. This ca
 
 `--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.
 
 `--force` `<boolean>` ::
 
@@ -940,9 +962,9 @@ Selectively enable hotplug features. This is a comma separated list of hotplug f
 
 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.
 
 `--ipconfig[n]` `[gw=<GatewayIPv4>] [,gw6=<GatewayIPv6>] [,ip=<IPv4Format/CIDR>] [,ip6=<IPv6Format/CIDR>]` ::
 
@@ -950,15 +972,22 @@ cloud-init: Specify IP addresses and gateways for the corresponding interface.
 +
 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.
 
 `--ivshmem` `size=<integer> [,name=<string>]` ::
 
 Inter-VM shared memory. Useful for direct communication between VMs, or to the host.
 
+`--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.
@@ -997,7 +1026,9 @@ Set a name for the VM. Only used on the configuration web interface.
 
 `--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>] [,mtu=<integer>] [,queues=<integer>] [,rate=<number>] [,tag=<integer>] [,trunks=<vlanid[;vlanid...]>] [,<model>=<macaddr>]` ::
 
@@ -1039,13 +1070,13 @@ Revert a pending change.
 
 Configure a VirtIO-based Random Number Generator.
 
-`--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>]` ::
+`--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 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.
 
-`--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.
 
 `--scsihw` `<lsi | lsi53c810 | megasas | pvscsi | virtio-scsi-pci | virtio-scsi-single>` ('default =' `lsi`)::
 
@@ -1053,7 +1084,9 @@ SCSI controller model
 
 `--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)` ::
 
@@ -1089,7 +1122,7 @@ cloud-init: Setup public SSH keys (one key per line, OpenSSH format).
 
 `--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+] ` ::
 
@@ -1127,9 +1160,9 @@ Number of hotplugged vcpus.
 
 Configure the VGA hardware.
 
-`--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.
 
 `--vmgenid` `<UUID>` ('default =' `1 (autogenerated)`)::