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

VGSCAN(8)			     System Manager's Manual				VGSCAN(8)

NAME
       vgscan  - scan all disks for volume groups and build /etc/lvmtab and /etc/lvmtab.d/* which
       are the database for all other lvm commands.

SYNOPSIS
       vgscan [-d|--debug] [-f|--forcenumbers] [-h|--help]  [-r|--remove_snapshots  [VolumeGroup-
       Name]] [-v|--verbose]

DESCRIPTION
       vgscan scans all SCSI, (E)IDE disks, multiple devices and a bunch of other disk devives in
       the system for volume groups defined.

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

       -f, --forcenumbers
	      If used volume group and/or logical volume minor numbers	are  found  during  scan,
	      replace  them. This will potentially cause problems for NFS exported filesystems on
	      logical volumes with changed numbers.

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

       -r, --remove_snapshots [VolumeGroupName]
	      Remove all snapshot logical volumes from all or just the named volume group.

       -v, --verbose
	      Display verbose information of vgscan's activities.

Hint
       Put vgscan in one of your system startup scripts.  This gives you an actual logical volume
       manager database before activating all volume groups by doing a "vgchange -ay".

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

       1  error reading physical volumes
       2  error inserting vokume group name into lvmtab
       3  no volume group(s) found
       4  error creating lvmtab
       5  no or not enough free device specials to store volume group in lvmtab
       6  error storing VGDA on disk(s)
       7  reused LV device number
       8  error releasing snapshot logical volume

       95 driver/module not in kernel
       96 invalid I/O protocol version
       97 error locking logical volume manager
       99 invalid command line

See also
       lvm(8), vgcreate(8), vgchange(8)

AUTHOR
       Heinz Mauelshagen <Linux-LVM@Sistina.com>

Heinz Mauelshagen			    LVM TOOLS					VGSCAN(8)


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