RedHat 9 (Linux i386) - man page for vgchange (redhat section 8)

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VGCHANGE(8)									      VGCHANGE(8)

       vgchange - change attributes of a volume group

       vgchange   [-A|--autobackup   {y|n}]   [-a|--available	{y|n}]	[-d|--debug]  [-h|--help]
       [-l|--logicalvolume MaxLogicalVolumes] [-v|--verbose] [--version] [-x|--allocation  {y|n}]

       vgchange  allows you to change the attributes of one or more volume groups.  Its main pur-
       pose is to activate and deactivate VolumeGroupName, or all volume groups if none is speci-
       fied.   Only active volume groups are subject to changes and allow access to their logical
       volumes.  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
       administrator that such snapshots should be removed (see lvremove(8)).

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

       -a, --available{y|n}
	      Controls	the  availability  of the volume group for input/output.  In other words:
	      makes a volume group known/unknown to the kernel.

       -d, --debug
	      Enables additional debugging output (if compiled with DEBUG).

       -h, --help
	      Print a usage message on standard output and exit successfully.

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

       -v, --verbose
	      Displays verbose runtime information about vgchange's activities.

	      Displays tool and IOP version and exit successfully.

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

       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

       vgchange returns an exit code of 0 for success and > 0 for error:

       1  error writing VGDA to physical volume(s)
       2  error changing extensibility of volume group
       3  error doing backup of VGDA
       4  extension of MaxLogicalVolume would cause overlapped physical extents
       5  error backup of volume group metadata
       6  error copying volume group metadata to work file
       7  error creating volume group directory and special files
       8  error removing volume group directory and special files

       95 driver/module not in kernel
       96 invalid I/O protocol version
       97 error locking logical volume manager
       98 invalid lvmtab (run vgscan(8))
       99 invalid command line
       If volume groups can't be activated, run vgscan(8) and retry.

	      If  this variable is set to "no" then the automatic backup of VG metadata is turned

	      This variable determines the backup history  depth  of  kept  VGDA  copy	files  in
	      /etc/lvmconf.   It  can  be set to a positive number between 0 and 999.  The higher
	      this number is, the more changes you can restore using vgcfgrestore(8).

       lvm(8), vgcreate(8)

       Heinz Mauelshagen <>

Heinz Mauelshagen			    LVM TOOLS				      VGCHANGE(8)
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