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VGSPLIT


Section: Maintenance Commands (8)
Updated: LVM TOOLS 2.02.100(2)-RHEL6 (2013-10-23)
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NAME

vgsplit – split a volume group into two
 

SYNOPSIS

vgsplit

[--alloc

AllocationPolicy]

[-A|--autobackup

{y|n}]

[-c|--clustered

{y|n}]

[-d|--debug]

[-h|--help]

[-l|--maxlogicalvolumes

MaxLogicalVolumes]

[-M|--metadatatype

type]

[-p|--maxphysicalvolumes

MaxPhysicalVolumes]

[[vg]metadatacopies

NumberOfCopies|unmanaged|all]

[-n|--name

LogicalVolumeName]

[-t|--test]

[-v|--verbose]

SourceVolumeGroupName DestinationVolumeGroupName

[PhysicalVolumePath...]

 

DESCRIPTION

vgsplit moves one or more physical volumes from
SourceVolumeGroupName into DestinationVolumeGroupName.
The physical volumes moved can be specified either explicitly via
PhysicalVolumePath, or implicitly by -n
LogicalVolumeName, in which case only physical volumes
underlying the specified logical volume will be moved.


If DestinationVolumeGroupName does not exist, a new volume
group will be created. The default attributes
for the new volume group can be specified with
–alloc,

–clustered,

–maxlogicalvolumes,

–metadatatype,

–maxphysicalvolumes and

[vg]metadatacopies

(see vgcreate(8) for a description of these options). If any
of these options are not given, default attribute(s) are taken from
SourceVolumeGroupName. If a non-LVM2 metadata type (e.g. lvm1) is
being used, you should use the -M option to specify the metadata
type directly.


If
DestinationVolumeGroupName

does exist, it will be checked for compatibility with
SourceVolumeGroupName

before the physical volumes are moved. Specifying any of the above default
volume group attributes with an existing destination volume group is an error,
and no split will occur.


Logical volumes cannot be split between volume groups. vgsplit(8) only
moves complete physical volumes: To move part of a physical volume, use
pvmove(8). Each existing logical volume must be entirely on the physical
volumes forming either the source or the destination volume group. For this
reason, vgsplit(8) may fail with an error if a split would result in a
logical volume being split across volume groups.


A vgsplit into an existing volume group retains the existing volume group’s
value of vgmetadatacopies (see vgcreate(8) and lvm.conf(5) for further
explanation of vgmetadatacopies). To change the value of
vgmetadatacopies, use vgchange(8).


 

OPTIONS

See lvm(8) for common options.
 

SEE ALSO

lvm(8),

vgcreate(8),

vgextend(8),

vgreduce(8),

vgmerge(8)



 

Index



NAME

SYNOPSIS

DESCRIPTION

OPTIONS

SEE ALSO



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