VERITAS Volume Manager 3.1 Migration Guide

Command Differences
Comparison of LVM and VxVM Tasks
Chapter 376
LVM Convert a mirrored logical
volume into two logical volumes.
Split a logical volume.
lvsplit -s backup
/dev/ vol_grp / lvol_name
VxVM Snapshot a volume and create a
new volume.
vxassist snapshot vol_name
new_vol_name
LVM Combine two logical volumes
back into a mirrored logical
volume
lvmerge
/dev/ vol_grp / split_vol_name \
/dev/ vol_grp / lvol_name
split_vol_name= active logical
volume
VxVM No VxVM equivalent.
LVM Move a mirrored logical volume
from one disk to another.
pvmove -n
/dev/ vol_grp / lvol_name \
/dev/dsk/ disk_name
/dev/dsk/ disk_name2
VxVM Move a plex. vxplex mv orig_plex new_plex
LVM Synchronize a mirrored logical
volume.
Synchronize extents within a
mirrored logical volume.
lvsync /dev/ vol_grp / lvol_name
VxVM Resynchronize operations for
the given volumes.
vxvol resync
LVM Synchronize extents within
mirrored logical volumes in a
volume group.
vgsync /dev/ vol_grp
Table 3-2LVM and VxVM Task Comparison
Task
Type
Description Example