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vgscan


       all other lvm commands.


SYNOPSIS

       vgscan    [-d|--debug]   [-f|--forcenumbers]   [-h|--help]
       [-r|--remove_snapshots [VolumeGroupName]] [-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  num­
              bers.

       -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

  

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