LVMCONFIG(8)   (LVM TOOLS 2.03.11(2) (2021-01-08))   LVMCONFIG(8)

     NAME
          lvmconfig - Display and manipulate configuration information

     SYNOPSIS
          lvmconfig
              [ option_args ]
              [ position_args ]

     DESCRIPTION
          lvmconfig, lvm config, lvm dumpconfig (for compatibility
          reasons, to be phased out) produce formatted output from the
          LVM configuration tree. The sources of the configuration
          data include lvm.conf(5) and command line settings from
          --config.

     USAGE
          lvmconfig
              [ -f|--file String ]
              [ -l|--list ]
              [    --atversion String ]
              [    --typeconfig
              current|default|diff|full|list|missing|new|profilable|profilable-
              command|profilable-metadata ]
              [    --ignoreadvanced ]
              [    --ignoreunsupported ]
              [    --ignorelocal ]
              [    --mergedconfig ]
              [    --metadataprofile String ]
              [    --sinceversion String ]
              [    --showdeprecated ]
              [    --showunsupported ]
              [    --validate ]
              [    --withsummary ]
              [    --withcomments ]
              [    --withgeneralpreamble ]
              [    --withlocalpreamble ]
              [    --withspaces ]
              [    --unconfigured ]
              [    --withversions ]
              [ COMMON_OPTIONS ]
              [ String ... ]

          Common options for lvm:
              [ -d|--debug ]
              [ -h|--help ]
              [ -q|--quiet ]
              [ -t|--test ]
              [ -v|--verbose ]
              [ -y|--yes ]
              [    --commandprofile String ]

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              [    --config String ]
              [    --driverloaded y|n ]
              [    --lockopt String ]
              [    --longhelp ]
              [    --nolocking ]
              [    --profile String ]
              [    --version ]

     OPTIONS
          --atversion String
               Specify an LVM version in x.y.z format where x is the
               major version, the y is the minor version and z is the
               patchlevel (e.g. 2.2.106).  When configuration is
               displayed, the configuration settings recognized at
               this LVM version will be considered only. This can be
               used to display a configuration that a certain LVM
               version understands and which does not contain any
               newer settings for which LVM would issue a warning
               message when checking the configuration.

          --commandprofile String
               The command profile to use for command configuration.
               See lvm.conf(5) for more information about profiles.

          --config String
               Config settings for the command. These override
               lvm.conf settings.  The String arg uses the same format
               as lvm.conf, or may use section/field syntax.  See
               lvm.conf(5) for more information about config.

          -d|--debug ...
               Set debug level. Repeat from 1 to 6 times to increase
               the detail of messages sent to the log file and/or
               syslog (if configured).

          --driverloaded y|n
               If set to no, the command will not attempt to use
               device-mapper.  For testing and debugging.

          -f|--file String
               Write output to the named file.

          -h|--help
               Display help text.

          --ignoreadvanced
               Exclude advanced configuration settings from the
               output.

          --ignorelocal
               Ignore the local section. The local section should be
               defined in the lvmlocal.conf file, and should contain

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               config settings specific to the local host which should
               not be copied to other hosts.

          --ignoreunsupported
               Exclude unsupported configuration settings from the
               output. These settings are either used for debugging
               and development purposes only or their support is not
               yet complete and they are not meant to be used in
               production. The current and diff types include
               unsupported settings in their output by default, all
               the other types ignore unsupported settings.

          -l|--list
               List config settings with summarizing comment. This is
               the same as using options --typeconfig list
               --withsummary.

          --lockopt String
               Used to pass options for special cases to lvmlockd.
               See lvmlockd(8) for more information.

          --longhelp
               Display long help text.

          --mergedconfig
               When the command is run with --config and/or
               --commandprofile (or using LVM_COMMAND_PROFILE
               environment variable), --profile, or --metadataprofile,
               merge all the contents of the "config cascade" before
               displaying it.  Without merging, only the configuration
               at the front of the cascade is displayed.  See
               lvm.conf(5) for more information about config.

          --metadataprofile String
               The metadata profile to use for command configuration.
               See lvm.conf(5) for more information about profiles.

          --nolocking
               Disable locking.

          --profile String
               An alias for --commandprofile or --metadataprofile,
               depending on the command.

          -q|--quiet ...
               Suppress output and log messages. Overrides --debug and
               --verbose.  Repeat once to also suppress any prompts
               with answer 'no'.

          --showdeprecated
               Include deprecated configuration settings in the
               output. These settings are deprecated after a certain

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               version. If a concrete version is specified with
               --atversion, deprecated settings are automatically
               included if the specified version is lower than the
               version in which the settings were deprecated. The
               current and diff types include deprecated settings in
               their output by default, all the other types ignore
               deprecated settings.

          --showunsupported
               Include unsupported configuration settings in the
               output. These settings are either used for debugging or
               development purposes only, or their support is not yet
               complete and they are not meant to be used in
               production. The current and diff types include
               unsupported settings in their output by default, all
               the other types ignore unsupported settings.

          --sinceversion String
               Specify an LVM version in x.y.z format where x is the
               major version, the y is the minor version and z is the
               patchlevel (e.g. 2.2.106).  This option is currently
               applicable only with --typeconfig new to display all
               configuration settings introduced since given version.

          -t|--test
               Run in test mode. Commands will not update metadata.
               This is implemented by disabling all metadata writing
               but nevertheless returning success to the calling
               function. This may lead to unusual error messages in
               multi-stage operations if a tool relies on reading back
               metadata it believes has changed but hasn't.

          --typeconfig
               current|default|diff|full|list|missing|new|profilable|profilable-
               command|profilable-metadata
               current prints the config settings that would be
               applied to an lvm command (assuming the command does
               not override them on the command line.) This includes:
               settings that have been modified in lvm config files,
               settings that get their default values from config
               files, and default settings that have been uncommented
               in config files.  default prints all settings with
               their default values.  Changes made in lvm config files
               are not reflected in the output.  Some settings get
               their default values internally, and these settings are
               printed as comments.  Other settings get their default
               values from config files, and these settings are not
               printed as comments.  diff prints only config settings
               that have been modified from their default values in
               config files (the difference between current and
               default.)  full prints every setting uncommented and
               set to the current value, i.e. how it would be used by

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               an lvm command.  This includes settings modified in
               config files, settings that usually get defaults
               internally, and settings that get defaults from config
               files.  list prints all config names without values.
               missing prints settings that are missing from the lvm
               config files. A missing setting that usually gets its
               default from config files is printed uncommented and
               set to the internal default.  Settings that get their
               default internally and are not set in config files are
               printed commented with the internal default.  new
               prints config settings that have been added since the
               lvm version specified by --sinceversion. They are
               printed with their default values.  profilable prints
               settings with their default values that can be set from
               a profile.  profilable-command prints settings with
               their default values that can be set from a command
               profile.  profilable-metadata prints settings with
               their default values that can be set from a metadata
               profile.  Also see lvm.conf(5).

          --unconfigured
               Internal option used for generating config file during
               build.

          --validate
               Validate current configuration used and exit with
               appropriate return code. The validation is done only
               for the configuration at the front of the "config
               cascade". To validate the whole merged configuration
               tree, also use --mergedconfig.  The validation is done
               even if lvm.conf config/checks is disabled.

          -v|--verbose ...
               Set verbose level. Repeat from 1 to 4 times to increase
               the detail of messages sent to stdout and stderr.

          --version
               Display version information.

          --withcomments
               Display a full comment for each configuration node. For
               deprecated settings, also display comments about
               deprecation.

          --withgeneralpreamble
               Include general config file preamble.

          --withlocalpreamble
               Include local config file preamble.

          --withspaces
               Where appropriate, add more spaces in output for better

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               readability.

          --withsummary
               Display a one line comment for each configuration node.

          --withversions
               Also display a comment containing the version of
               introduction for each configuration node. If the
               setting is deprecated, also display the version since
               which it is deprecated.

          -y|--yes
               Do not prompt for confirmation interactively but always
               assume the answer yes. Use with extreme caution.  (For
               automatic no, see -qq.)

     VARIABLES
          String
               See the option description for  information  about  the
               string content.

          Size[UNIT]
               Size is an input number that accepts an optional  unit.
               Input  units  are  always  treated  as base two values,
               regardless of capitalization, e.g.  'k'  and  'K'  both
               refer  to 1024.  The default input unit is specified by
               letter,  followed  by  |UNIT.   UNIT  represents  other
               possible  input units: bBsSkKmMgGtTpPeE.  b|B is bytes,
               s|S is sectors of 512 bytes, k|K is KiB,  m|M  is  MiB,
               g|G  is GiB, t|T is TiB, p|P is PiB, e|E is EiB.  (This
               should not be confused with the output control --units,
               where capital letters mean multiple of 1000.)

     ENVIRONMENT VARIABLES
          See lvm(8) for information about environment variables  used
          by   lvm.    For   example,  LVM_VG_NAME  can  generally  be
          substituted for a required VG parameter.

     SEE ALSO
          lvm(8) lvm.conf(5) lvmconfig(8)

          pvchange(8)  pvck(8)  pvcreate(8)   pvdisplay(8)   pvmove(8)
          pvremove(8) pvresize(8) pvs(8) pvscan(8)

          vgcfgbackup(8)    vgcfgrestore(8)    vgchange(8)     vgck(8)
          vgcreate(8)     vgconvert(8)     vgdisplay(8)    vgexport(8)
          vgextend(8)    vgimport(8)    vgimportclone(8)    vgmerge(8)
          vgmknodes(8)   vgreduce(8)  vgremove(8)  vgrename(8)  vgs(8)
          vgscan(8) vgsplit(8)

          lvcreate(8)    lvchange(8)     lvconvert(8)     lvdisplay(8)
          lvextend(8)  lvreduce(8) lvremove(8) lvrename(8) lvresize(8)

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          lvs(8) lvscan(8)

          lvm-fullreport(8) lvm-lvpoll(8) lvm2-activation-generator(8)
          blkdeactivate(8) lvmdump(8)

          dmeventd(8)    lvmpolld(8)     lvmlockd(8)     lvmlockctl(8)
          cmirrord(8) lvmdbusd(8)

          lvmsystemid(7)    lvmreport(7)     lvmraid(7)     lvmthin(7)
          lvmcache(7)

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