vgchange man page on aLinux

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VGCHANGE(8)							   VGCHANGE(8)

NAME
       vgchange - change attributes of a volume group

SYNOPSIS
       vgchange	 [--addtag  Tag]  [--alloc  AllocationPolicy] [-A|--autobackup
       {y|n}]  [-a|--available	[e|l]  {y|n}]  [-d|--debug]   [--deltag	  Tag]
       [-h|--help] [--ignorelockingfailure] [-l|--logicalvolume MaxLogicalVol‐
       umes]	[-P|--partial]	  [-t|--test]	 [-v|--verbose]	   [--version]
       [-x|--resizeable {y|n}] [VolumeGroupName...]

DESCRIPTION
       vgchange	 allows	 you  to  change  the attributes of one or more volume
       groups.	Its main purpose is to activate	 and  deactivate  VolumeGroup‐
       Name,  or  all  volume groups if none is specified.  Only active volume
       groups are subject to changes and allow access to  their	 logical  vol‐
       umes.   [Not  yet  implemented:	During	volume	group  activation,  if
       vgchange recognizes snapshot logical volumes which were dropped because
       they  ran out of space, it displays a message informing the administra‐
       tor that such snapshots should be removed (see lvremove(8)).  ]

OPTIONS
       See lvm for common options.

       -A, --autobackup{y|n}
	      Controls automatic backup of metadata  after  the	 change.   See
	      vgcfgbackup (8).	Default is yes.

       -a, --available[e|l]{y|n}
	      Controls	the  availability of the logical volumes in the volume
	      group for input/output.  In other words, makes the logical  vol‐
	      umes known/unknown to the kernel.

	      If  clustered locking is enabled, add 'e' to activate/deactivate
	      exclusively on one node or 'l' to	 activate/deactivate  only  on
	      the  local node.	Logical volumes with single-host snapshots are
	      always activated exclusively because they can only  be  used  on
	      one node at once.

       -l, --logicalvolume MaxLogicalVolumes
	      Changes  the  maximum logical volume number of an existing inac‐
	      tive volume group.

       -x, --resizeable{y|n}
	      Enables or disables the extension/reduction of this volume group
	      with/by physical volumes.

EXAMPLES
       To activate all known volume groups in the system:

	    vgchange -a y

       To  change  the	maximum	 number	 of logical volumes of inactive volume
       group vg00 to 128.

	    vgchange -l 128 /dev/vg00

SEE ALSO
       lvchange(8), lvm(8), vgcreate(8)

Sistina Software UK		   LVM TOOLS			   VGCHANGE(8)
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