man vgmerge (Administration système) - merge two volume groups
NAME
vgmerge - merge two volume groups
SYNOPSIS
vgmerge [-A/--autobackup y/n] [-d/--debug] [-h/-?/--help] [-l/--list] [-t/--test] [-v/--verbose] DestinationVolumeGroupName SourceVolumeGroupName
DESCRIPTION
vgmerge merges two existing volume groups. The inactive SourceVolumeGroupName will be merged into the DestinationVolumeGroupName if physical 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" giving verbose runtime information.