Veritas Volume Manager 5.0 Migration Guide, HP-UX 11i v3, First Edition, May 2008

51Command differences
LVM and VxVM command equivalents
lvreduce Decreases disk space
allocated to a logical
volume.
vxassist Decreases a volume in size with
the shrinkto or shrinkby
parameters.
Example: vxassist shrinkto
vol_name 200M
Make sure you shrink the file
system before shrinking the
volume.
lvremove Removes one or more
logical volumes from
a volume group.
vxedit
vxassist
Removes volumes with the -rf
rm parameters.
Example: vxedit -rf rm
vol_name
Removes a volume with the
remove volume parameters.
Example: vxassist remove
volume vol_name
lvsplit Splits a mirrored
logical volume into
two logical volumes.
vxassist
snapshot
The snapshot operation takes
one of the attached temporary
mirrors and creates a new
volume with the temporary
mirror as its one plex.
Example: vxassist snapshot
vol_name new_volume
lvmerge Reverses and
converts the
lvsplit logical
volumes to a single
logical volume.
vxassist
snapback
The snapback operation returns
the snapshot plex to the original
volume from which it was
snapped.
Example: vxassist snapback
new_volume
Table 3-1 Command comparison
LVM Description/action VxVM Description/action