Veritas 4.1 Installation Guide (HP-UX 11i v3, February 2007)

Table 6-3 LVM and VxVM Task Comparison (continued)
ExampleDescriptionTask TypeExampleDescription
Task
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
lvreduce -m 0
/dev/vol_grp/mirr_lv
lvremove
/dev/vol_grp/<mirr_lv>
Reduce a
single/double
mirrored
logical
volume to
an
unmirrored
logical
volume.
Remove a
mirrored
logical
volume.
LVM
vxassist
mirror
<vol_name>
Add mirrors to
a volume or
increase the
number of
plexes.
VxVM
lvextend -m 2
/dev/vol_grp/<lvol_name>
Increase the
number of
mirror
copies.
LVM
vxassist
snapshot
<vol_name>
<new_vol_name>
Snapshot a
volume and
create a new
volume.
VxVM
lvsplit -s backup
/dev/vol_grp/lvol_name
Convert a
mirrored
logical
volume into
two logical
volumes.
Split a
logical
volume.
LVM
vxassist snapback
<new_vol_name>
Returns the
snapshot plex to
the original
volume from
which it was
snapped.
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
vxplex mv
<orig_plex>
<new_plex>
Move a plex.VxVM
pvmove -n
/dev/vol_grp/<lvol_name>\
/dev/dsk/<disk_name>
/dev/dsk/
<disk_name>
Move a
mirrored
logical
volume
from one
disk to
another.
LVM
vxvol resync
Resynchronize
operations for
the given
volumes.
VxVM
lvsync
/dev/vol_grp/<lvol_name>
Synchronize
a mirrored
logical
volume.
Synchronize
extents
within a
mirrored
logical
volume.
LVM
62 Migrating to VxVM 4.1 on HP-UX 11i v3