vgcfgrestore(8) - phpMan

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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 vgcfg-
       backup. 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 re-
       cent  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 in-
              formation about profiles.

       --config String
              Config settings for the command. These override lvm.conf settings.  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 vgcfg-
              backup.

       --force ...
              Force metadata restore even with thin pool LVs.  Use with extreme 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 lvmlockd(8) for more in-
              formation.

       --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 --verbose.  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 dis-
              abling all metadata writing but nevertheless returning success to the calling func-
              tion. This may lead to unusual 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 detail 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 content.

       Size[UNIT]
              Size  is  an  input  number  that accepts an optional unit.  Input units are always
              treated as base two values, regardless of capitalization, e.g. 'k' and 'K' both re-
              fer  to  1024.   The  default input unit is specified by letter, followed by |UNIT.
              UNIT represents other possible input units: bBsSkKmMgGtTpPeE.  b|B is bytes, s|S is
              sectors  of  512 bytes, k|K is KiB, m|M is MiB, g|G is GiB, t|T is TiB, p|P is PiB,
              e|E is EiB.  (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 --restorefile filename --uuid uuid (plus  additional  argu-
       ments  as  appropriate)  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) pvs-
       can(8)

       vgcfgbackup(8) vgcfgrestore(8) vgchange(8) vgck(8) vgcreate(8)  vgconvert(8)  vgdisplay(8)
       vgexport(8)  vgextend(8)  vgimport(8) vgimportclone(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)  lvreduce(8)  lvremove(8)
       lvrename(8) lvresize(8) lvs(8) lvscan(8)

       lvm-fullreport(8) lvm-lvpoll(8) lvm2-activation-generator(8) blkdeactivate(8) lvmdump(8)

       dmeventd(8) lvmpolld(8) lvmlockd(8) lvmlockctl(8) cmirrord(8) lvmdbusd(8)

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

Red Hat, Inc.                   LVM TOOLS 2.03.11(2) (2021-01-08)                 VGCFGRESTORE(8)

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