Veritas Volume Manager 5.0 Administrator's Guide (September 2006)

488 Commands summary
vxsnap [-g diskgroup] prepare volume \
[drl=on|sequential|off]
Prepares a volume for instant snapshots
and for DRL logging.
See “Preparing a volume for DRL and
instant snapshots” on page 267.
Example:
# vxsnap -g mydg prepare \
myvol drl=on
vxsnap [-g diskgroup] make \
source=volume/newvol=snapvol\
[/nmirror=number]
Takes a full-sized instant snapshot of a
volume by breaking off plexes of the
original volume.
See “Creating instant snapshots” on
page 311.
Example:
# vxsnap -g mydg make \
source=myvol/\
newvol=mysnpvol/\
nmiror=2
vxsnap [-g diskgroup] make \
source=volume/snapvol=snapvol
Takes a full-sized instant snapshot of a
volume using a prepared empty volume.
See “Creating a volume for use as a full-
sized instant or linked break-off snapshot”
on page 315.
See “Creating instant snapshots” on
page 311.
Example:
# vxsnap -g mydg make \
source=myvol/snapvol=snpvol
vxmake [-g diskgroup] cache \
cache_object cachevolname=volume \
[regionsize=size]
Creates a cache object for use by space-
optimized instant snapshots. See “Creating
a shared cache object” on page 314.
A cache volume must have already been
created, as shown in this example:
# vxassist -g mydg make \
cvol 1g layout=mirror \
init=active mydg16 mydg17
# vxmake -g mydg cache cobj \
cachevolname=cvol
Table A-7 Administering volumes
Command Description