Veritas Volume Manager 5.0.1 Migration Guide, HP-UX 11i v3, First Edition, November 2009

Table 3-2
LVM and VxVM task comparisons (continued)
ExampleDescriptionTask type
vxplex -o rm dis plex_name
vxedit -rf rm vol_name
Remove mirrors or reduce the number of
plexes/mirrors.
Remove a volume with the plexes associated
with it.
VxVM
lvextend -m 2 /dev/vol_grp/lvol_nameIncrease the number of mirror copies.LVM
vxassist mirror vol_nameAdd mirrors to a volume or increase the
number of plexes.
VxVM
lvsplit -s backup /dev/vol_grp/
lvol_name
Convert a mirrored logical volume into two
logical volumes.
Split a logical volume.
LVM
vxassist snapshot vol_name
new_vol_name
Snapshot a volume and create a new volume.VxVM
lvmerge /dev/vol_grp/split_vol_name\
/dev/vol_grp/lvol_name
split_vol_name= active logical volume
Combine two logical volumes back into a
mirrored logical volume
LVM
vxassist snapback new_vol_nameReturns the snapshot plex to the original
volume from which it was snapped.
VxVM
pvmove -n /dev/vol_grp/lvol_name\
/ dev/dsk/disk_name /dev/dsk/
disk_name2
Move a mirrored logical volume from one disk
to another.
LVM
vxplex mv orig_plex new_plexMove a plex.VxVM
lvsync /dev/vol_grp/lvol_nameSynchronize a mirrored logical volume.
Synchronize extents within a mirrored logical
volume.
LVM
vxvol resyncResynchronize operations for the given
volumes.
VxVM
vgsync /dev/vol_grpSynchronize extents within mirrored logical
volumes in a volume group.
LVM
Command differences
Comparison of LVM and VxVM tasks
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