lvscan man page on Kali

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LVSCAN(8)							     LVSCAN(8)

NAME
       lvscan - List all logical volumes in all volume groups

SYNOPSIS
       lvscan option_args
	   [ option_args ]
	   [ position_args ]

DESCRIPTION
       lvscan  scans  all VGs or all supported LVM block devices in the system
       for LVs. The output consists of one line for each LV indicating whether
       or  not	it is active, a snapshot or origin, the size of the device and
       its allocation policy. Use lvs(8) or lvdisplay(8) to obtain  more  com‐
       prehensive information about LVs.

USAGE
       lvscan
	   [ -a|--all ]
	   [ COMMON_OPTIONS ]

       lvscan --cache
	   [ COMMON_OPTIONS ]
	   [ LV ... ]

       Common options for command:
	   [ -b|--blockdevice ]
	   [	--ignorelockingfailure ]
	   [	--readonly ]
	   [	--reportformat basic|json ]

       Common options for lvm:
	   [ -d|--debug ]
	   [ -h|--help ]
	   [ -q|--quiet ]
	   [ -t|--test ]
	   [ -v|--verbose ]
	   [ -y|--yes ]
	   [	--commandprofile String ]
	   [	--config String ]
	   [	--driverloaded y|n ]
	   [	--longhelp ]
	   [	--profile String ]
	   [	--version ]

OPTIONS
       -a|--all
	      Show information about internal LVs.  These are components of
	      normal LVs, such as mirrors, which are not independently acces‐
	      sible, e.g. not mountable.

       -b|--blockdevice
	      No longer used.

       --cache
	      Scan the devices used by an LV and send the metadata to lvmetad.

       --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 set‐
	      tings.  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.

       -h|--help
	      Display help text.

       --ignorelockingfailure
	      Allows a command to continue with read-only metadata operations
	      after locking failures.

       --longhelp
	      Display long help text.

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

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

       --readonly
	      Run the command in a special read-only mode which will read on-
	      disk metadata without needing to take any locks. This can be
	      used to peek inside metadata used by a virtual machine image
	      while the virtual machine is running.  It can also be used to
	      peek inside the metadata of clustered VGs when clustered locking
	      is not configured or running. No attempt will be made to commu‐
	      nicate with the device-mapper kernel driver, so this option is
	      unable to report whether or not LVs are actually in use.

       --reportformat basic|json
	      Overrides current output format for reports which is defined
	      globally by the report/output_format setting in lvm.conf.	 basic
	      is the original format with columns and rows.  If there is more
	      than one report per command, each report is prefixed with the
	      report name for identification. json produces report output in
	      JSON format. See lvmreport(7) for more information.

       -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.

       -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.

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

VARIABLES
       LV
	      Logical  Volume  name.  See lvm(8) for valid names.  An LV posi‐
	      tional arg generally includes the VG  name  and  LV  name,  e.g.
	      VG/LV.

       String
	      See the option description for information about the string con‐
	      tent.

       Size[UNIT]
	      Size is an input number that accepts an  optional	 unit.	 Input
	      units are always treated as base two values, regardless of capi‐
	      talization, e.g. 'k' and 'K' both refer to  1024.	  The  default
	      input unit is specified by letter, followed by |UNIT.  UNIT rep‐
	      resents other possible input units:  bBsSkKmMgGtTpPeE.   b|B  is
	      bytes,  s|S  is  sectors	of 512 bytes, k|K is kilobytes, m|M is
	      megabytes, g|G is gigabytes, t|T is terabytes, p|P is petabytes,
	      e|E  is  exabytes.  (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) vgcon‐
       vert(8)	vgdisplay(8)  vgexport(8)  vgextend(8)	vgimport(8)  vgimport‐
       clone(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)	 lvre‐
       duce(8) lvremove(8) lvrename(8) lvresize(8) lvs(8) lvscan(8)

       lvm-fullreport(8) lvm-lvpoll(8) lvm2-activation-generator(8) blkdeacti‐
       vate(8) lvmdump(8)

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

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

Red Hat, Inc.	      LVM TOOLS 2.02.176(2) (2017-11-03)	     LVSCAN(8)
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