04-19-2011
That is why one needs a "volume test" or "production-equivalent" test system.
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LEARN ABOUT DEBIAN
vgmerge
VGMERGE(8) System Manager's Manual VGMERGE(8)
NAME
vgmerge - merge two volume groups
SYNOPSIS
vgmerge [-A|--autobackup y|n] [-d|--debug] [-h|-?|--help] [-l|--list] [-t|--test] [-v|--verbose] DestinationVolumeGroupName SourceVol-
umeGroupName
DESCRIPTION
vgmerge merges two existing volume groups. The inactive SourceVolumeGroupName will be merged into the DestinationVolumeGroupName if physi-
cal extent sizes are equal and physical and logical volume summaries of both volume groups fit into DestinationVolumeGroupName's limits.
OPTIONS
See lvm for common options. -l, --list Display merged DestinationVolumeGroupName like "vgdisplay -v".
-t, --test
Do a test run WITHOUT making any real changes.
Examples
"vgmerge -v databases my_vg" merges the inactive volume group named "my_vg" into the active or inactive volume group named "databases" giv-
ing verbose runtime information.
SEE ALSO
lvm(8), vgcreate(8), vgextend(8), vgreduce(8)
Sistina Software UK LVM TOOLS 2.02.95(2) (2012-03-06) VGMERGE(8)