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

NAME
       vgcfgrestore - Restore volume group configuration

SYNOPSIS
       vgcfgrestore option_args position_args
           [ option_args ]
           [ position_args ]

           --commandprofile String
           --config String
        -d|--debug
           --driverloaded y|n
        -f|--file String
           --force
        -h|--help
        -l|--list
           --lockopt String
           --longhelp
        -M|--metadatatype lvm2
           --nolocking
           --profile String
        -q|--quiet
        -t|--test
        -v|--verbose
           --version
        -y|--yes

DESCRIPTION
       vgcfgrestore  restores  the  metadata  of a VG from a text back up file
       produced by vgcfgbackup. This  writes  VG  metadata  onto  the  devices
       specifed in back up file.

       A  back  up  file  can  be specified with --file.  If no backup file is
       specified, the most recent one is used. Use --list for a  list  of  the
       available back up and archive files of a VG.

       WARNING: When a VG contains thin pools, changes to thin metadata cannot
       be reverted, and data loss may occur if thin metadata has changed.  The
       force option is required to restore in this case.

USAGE
       Restore VG metadata from last backup.

       vgcfgrestore VG
           [ COMMON_OPTIONS ]
       -

       Restore VG metadata from specified file.

       vgcfgrestore -f|--file String VG
           [ COMMON_OPTIONS ]
       -

       List all VG metadata backups.

       vgcfgrestore -l|--list VG
           [ COMMON_OPTIONS ]
       -

       List one VG metadata backup file.

       vgcfgrestore -l|--list -f|--file String
           [ COMMON_OPTIONS ]
           [ VG ]
       -

       Common options for command:
           [ -M|--metadatatype lvm2 ]
           [    --force ]

       Common options for lvm:
           [ -d|--debug ]
           [ -h|--help ]
           [ -q|--quiet ]
           [ -t|--test ]
           [ -v|--verbose ]
           [ -y|--yes ]
           [    --commandprofile String ]
           [    --config String ]
           [    --driverloaded y|n ]
           [    --lockopt String ]
           [    --longhelp ]
           [    --nolocking ]
           [    --profile String ]
           [    --version ]

OPTIONS
       --commandprofile String
              The command profile to use for command configuration.  See
              lvm.conf(5) for more information about profiles.

       --config String
              Config settings for the command. These override lvm.conf set-
              tings.  The String arg uses the same format as lvm.conf, or may
              use section/field syntax.  See lvm.conf(5) for more information
              about config.

       -d|--debug ...
              Set debug level. Repeat from 1 to 6 times to increase the detail
              of messages sent to the log file and/or syslog (if configured).

       --driverloaded y|n
              If set to no, the command will not attempt to use device-mapper.
              For testing and debugging.

       -f|--file String
              Read metadata backup from the named file.  Usually this file was
              created by vgcfgbackup.

       --force ...
              Force metadata restore even with thin pool LVs.  Use with ex-
              treme caution. Most changes to thin metadata cannot be reverted.
              You may lose data if you restore metadata that does not match
              the thin pool kernel metadata precisely.

       -h|--help
              Display help text.

       -l|--list
              List metadata backup and archive files pertaining to the VG.
              May be used with --file. Does not restore the VG.

       --lockopt String
              Used to pass options for special cases to lvmlockd.  See lvm-
              lockd(8) for more information.

       --longhelp
              Display long help text.

       -M|--metadatatype lvm2
              Specifies the type of on-disk metadata to use.  lvm2 (or just 2)
              is the current, standard format.  lvm1 (or just 1) is no longer
              used.

       --nolocking
              Disable locking.

       --profile String
              An alias for --commandprofile or --metadataprofile, depending on
              the command.

       -q|--quiet ...
              Suppress output and log messages. Overrides --debug and --ver-
              bose.  Repeat once to also suppress any prompts with answer
              'no'.

       -t|--test
              Run in test mode. Commands will not update metadata.  This is
              implemented by disabling all metadata writing but nevertheless
              returning success to the calling function. This may lead to un-
              usual error messages in multi-stage operations if a tool relies
              on reading back metadata it believes has changed but hasn't.

       -v|--verbose ...
              Set verbose level. Repeat from 1 to 4 times to increase the de-
              tail of messages sent to stdout and stderr.

       --version
              Display version information.

       -y|--yes
              Do not prompt for confirmation interactively but always assume
              the answer yes. Use with extreme caution.  (For automatic no,
              see -qq.)

VARIABLES
       VG
              Volume Group name.  See lvm(8) for valid names.

       String
              See the option description for information about the string con-
              tent.

       Size[UNIT]
              Size is an input number that accepts an  optional  unit.   Input
              units are always treated as base two values, regardless of capi-
              talization, e.g. 'k' and 'K' both refer to  1024.   The  default
              input unit is specified by letter, followed by |UNIT.  UNIT rep-
              resents other possible input units:  bBsSkKmMgGtTpPeE.   b|B  is
              bytes,  s|S  is  sectors  of 512 bytes, k|K is kilobytes, m|M is
              megabytes, g|G is gigabytes, t|T is terabytes, p|P is petabytes,
              e|E  is  exabytes.  (This should not be confused with the output
              control --units, where capital letters mean multiple of 1000.)

ENVIRONMENT VARIABLES
       See lvm(8) for information about environment  variables  used  by  lvm.
       For example, LVM_VG_NAME can generally be substituted for a required VG
       parameter.

NOTES
       To replace PVs, vgdisplay --partial --verbose will show the  UUIDs  and
       sizes  of any PVs that are no longer present. If a PV in the VG is lost
       and you wish to substitute another of the same size, use pvcreate --re-
       storefile  filename --uuid uuid (plus additional arguments as appropri-
       ate) to initialise it with the same UUID as the missing PV. Repeat  for
       all other missing PVs in the VG.  Then use vgcfgrestore --file filename
       to restore the VG's metadata.

SEE ALSO
       lvm(8) lvm.conf(5) lvmconfig(8)

       pvchange(8)  pvck(8)  pvcreate(8)  pvdisplay(8)  pvmove(8)  pvremove(8)
       pvresize(8) pvs(8) pvscan(8)

       vgcfgbackup(8)  vgcfgrestore(8)  vgchange(8) vgck(8) vgcreate(8) vgcon-
       vert(8)  vgdisplay(8)  vgexport(8)  vgextend(8)  vgimport(8)  vgimport-
       clone(8)  vgmerge(8)  vgmknodes(8)  vgreduce(8) vgremove(8) vgrename(8)
       vgs(8) vgscan(8) vgsplit(8)

       lvcreate(8) lvchange(8)  lvconvert(8)  lvdisplay(8)  lvextend(8)  lvre-
       duce(8) lvremove(8) lvrename(8) lvresize(8) lvs(8) lvscan(8)

       lvm-fullreport(8) lvm-lvpoll(8) lvm2-activation-generator(8) blkdeacti-
       vate(8) lvmdump(8)

       dmeventd(8) lvmpolld(8)  lvmlockd(8)  lvmlockctl(8)  cmirrord(8)  lvmd-
       busd(8)

       lvmsystemid(7) lvmreport(7) lvmraid(7) lvmthin(7) lvmcache(7)

Red Hat, Inc.          LVM TOOLS 2.03.07(2) (2019-11-30)       VGCFGRESTORE(8)

---

NAME | SYNOPSIS | DESCRIPTION | USAGE | OPTIONS | VARIABLES | ENVIRONMENT VARIABLES | NOTES | SEE ALSO

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