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NAME | SYNOPSIS | DESCRIPTION | USAGE | OPTIONS | VARIABLES | ENVIRONMENT VARIABLES | EXAMPLES | SEE ALSO | COLOPHON |
VGEXTEND(8) System Manager's Manual VGEXTEND(8)
vgextend - Add physical volumes to a volume group
vgextend position_args
[ option_args ]
vgextend adds one or more PVs to a VG. This increases the space
available for LVs in the VG.
Also, PVs that have gone missing and then returned, e.g. due to a
transient device failure, can be added back to the VG without re-
initializing them (see --restoremissing).
If the specified PVs have not yet been initialized with pvcreate,
vgextend will initialize them. In this case pvcreate options can be
used, e.g. --labelsector, --metadatasize, --metadataignore,
--pvmetadatacopies, --dataalignment, --dataalignmentoffset.
vgextend VG PV ...
[ -A|--autobackup y|n ]
[ -f|--force ]
[ -Z|--zero y|n ]
[ -M|--metadatatype lvm2|lvm1 ]
[ --labelsector Number ]
[ --metadatasize Size[m|UNIT] ]
[ --pvmetadatacopies 0|1|2 ]
[ --metadataignore y|n ]
[ --dataalignment Size[k|UNIT] ]
[ --dataalignmentoffset Size[k|UNIT] ]
[ --reportformat basic|json ]
[ --restoremissing ]
[ COMMON_OPTIONS ]
Common options for lvm:
[ -d|--debug ]
[ -h|--help ]
[ -q|--quiet ]
[ -t|--test ]
[ -v|--verbose ]
[ -y|--yes ]
[ --commandprofile String ]
[ --config String ]
[ --driverloaded y|n ]
[ --longhelp ]
[ --profile String ]
[ --version ]
-A|--autobackup y|n
Specifies if metadata should be backed up automatically after
a change. Enabling this is strongly advised! See
vgcfgbackup(8) for more information.
--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
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.
--dataalignment Size[k|UNIT]
Align the start of the data to a multiple of this number.
Also specify an appropriate Physical Extent size when creating
a VG. To see the location of the first Physical Extent of an
existing PV, use pvs -o +pe_start. In addition, it may be
shifted by an alignment offset. See
lvm.conf/data_alignment_offset_detection and
--dataalignmentoffset.
--dataalignmentoffset Size[k|UNIT]
Shift the start of the data area by this additional offset.
-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|--force ...
Override various checks, confirmations and protections. Use
with extreme caution.
-h|--help
Display help text.
--labelsector Number
By default the PV is labelled with an LVM2 identifier in its
second sector (sector 1). This lets you use a different sector
near the start of the disk (between 0 and 3 inclusive - see
LABEL_SCAN_SECTORS in the source). Use with care.
--longhelp
Display long help text.
--metadataignore y|n
Specifies the metadataignore property of a PV. If yes,
metadata areas on the PV are ignored, and lvm will not store
metadata in the metadata areas of the PV. If no, lvm will
store metadata on the PV.
--metadatasize Size[m|UNIT]
The approximate amount of space used for each VG metadata
area. The size may be rounded.
-M|--metadatatype lvm2|lvm1
Specifies the type of on-disk metadata to use. lvm2 (or just
2) is the current, standard format. lvm1 (or just 1) is a
historical format that can be used for accessing old data.
--profile String
An alias for --commandprofile or --metadataprofile, depending
on the command.
--pvmetadatacopies 0|1|2
The number of metadata areas to set aside on a PV for storing
VG metadata. When 2, one copy of the VG metadata is stored at
the front of the PV and a second copy is stored at the end.
When 1, one copy of the VG metadata is stored at the front of
the PV (starting in the 5th sector). When 0, no copies of the
VG metadata are stored on the given PV. This may be useful in
VGs containing many PVs (this places limitations on the
ability to use vgsplit later.)
-q|--quiet ...
Suppress output and log messages. Overrides --debug and
--verbose. Repeat once to also suppress any prompts with
answer 'no'.
--reportformat basic|json
Overrides current output format for reports which is defined
globally by the report/output_format setting in lvm.conf.
basic is the original format with columns and rows. If there
is more than one report per command, each report is prefixed
with the report name for identification. json produces report
output in JSON format. See lvmreport(7) for more information.
--restoremissing
Add a PV back into a VG after the PV was missing and then
returned, e.g. due to a transient failure. The PV is not
reinitialized.
-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
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.)
-Z|--zero y|n
Controls if the first 4 sectors (2048 bytes) of the device are
wiped. The default is to wipe these sectors unless either or
both of --restorefile or --uuid are specified.
VG
Volume Group name. See lvm(8) for valid names.
PV
Physical Volume name, a device path under /dev. For commands
managing physical extents, a PV positional arg generally
accepts a suffix indicating a range (or multiple ranges) of
physical extents (PEs). When the first PE is omitted, it
defaults to the start of the device, and when the last PE is
omitted it defaults to end. Start and end range (inclusive):
PV[:PE-PE]... Start and length range (counting from 0):
PV[:PE+PE]...
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 refer 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 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.)
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.
Add two PVs to a VG.
vgextend vg00 /dev/sda4 /dev/sdn1
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)
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) lvmetad(8) lvmpolld(8) lvmlockd(8) lvmlockctl(8) clvmd(8)
cmirrord(8) lvmdbusd(8)
lvmsystemid(7) lvmreport(7) lvmraid(7) lvmthin(7) lvmcache(7)
This page is part of the lvm2 (Logical Volume Manager 2) project.
Information about the project can be found at
⟨http://www.sourceware.org/lvm2/⟩. If you have a bug report for this
manual page, send it to linux-lvm@redhat.com. This page was obtained
from the project's upstream Git repository
⟨git://sourceware.org/git/lvm2.git⟩ on 2017-07-05. If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page, or
you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a mail
to man-pages@man7.org
Red Hat, Inc. LVM TOOLS 2.02.173(2)-git (2017-06-28) VGEXTEND(8)
Pages that refer to this page: lvchange(8), lvconvert(8), lvcreate(8), lvdisplay(8), lvextend(8), lvm(8), lvmconfig(8), lvmdiskscan(8), lvm-fullreport(8), lvm-lvpoll(8), lvreduce(8), lvremove(8), lvrename(8), lvresize(8), lvs(8), lvscan(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), vgconvert(8), vgcreate(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)