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 vgcfgbackup(1M)					     vgcfgbackup(1M)




 NAME
      vgcfgbackup - create or update LVM volume group configuration backup
      file

 SYNOPSIS
      /usr/sbin/vgcfgbackup [-f vg_conf_path] [-u] vg_name

 DESCRIPTION
      The vgcfgbackup command saves the LVM configuration for a volume group
      in a default or alternate configuration backup file (see the -f
      option).

      By default, vgcfgbackup runs automatically each time an LVM command
      changes the LVM configuration.  In this case, it always uses the
      default configuration backup file.  An existing default configuration
      backup file is renamed with an extension of .old.

    Options and Arguments
      vgcfgbackup recognizes the following options and arguments:

	   vg_name	       The path name of a volume group.

	   -f vg_conf_path     Save the configuration using an alternate
			       file name specified by vg_conf_path.

			       If -f is omitted, the default file name is in
			       the form:

				    /etc/lvmconf/base_vg_name.conf

			       base_vg_name is the base name of vg_name.
			       For example, if vg_name is specified as
			       /dev/vg00, base_vg_name is vg00.

	   -u		       Update the configuration backup file with the
			       latest LVM configuration.  Only those
			       physical volumes added since the
			       configuration backup file was last modified
			       need to be online.

			       If -u is omitted, all physical volumes for
			       vg_name must be online.

 RETURN VALUE
      vgcfgbackup exits with one of the following values:

	    0	Successful completion.
	   >&gt&gt>0	Failure.  Errors occurred when information from the volume
		group was being accessed.





 Hewlett-Packard Company	    - 1 -   HP-UX Release 11i: November 2000






 vgcfgbackup(1M)					     vgcfgbackup(1M)




 EXTERNAL INFLUENCES
    Environment Variables
      LANG determines the language in which messages are displayed.

      If LANG is not specified or is null, it defaults to "C" (see lang(5)).

      If any internationalization variable contains an invalid setting, all
      internationalization variables default to "C" (see environ(5)).

 EXAMPLES
      Back up LVM configuration information for volume group /dev/vg00 in
      the default backup file /etc/lvmconf/vg00.conf:

	   vgcfgbackup /dev/vg00

      Update LVM configuration information corresponding to volume group
      /dev/vg00 in the default backup file /etc/lvmconf/vg00.conf:

	   vgcfgbackup -u /dev/vg00

      Back up LVM configuration information for volume group /dev/vg00 in
      the alternate configuration backup file /tmp/vg00.backup:

	   vgcfgbackup -f /tmp/vg00.backup vg00

 WARNINGS
      It is recommended that any alternate configuration backup file be
      created in the root file system (as is the case with the default path
      name).  This facilitates easy volume group recovery during maintenance
      mode, such as after a system crash.

 AUTHOR
      vgcfgbackup was developed by HP.

 SEE ALSO
      vgcfgrestore(1M).


















 Hewlett-Packard Company	    - 2 -   HP-UX Release 11i: November 2000