Veritas Storage Foundation 5.1 SP1 Advanced Features Administrator"s Guide (5900-1503, April 2011)

Table 27-2
Command comparison (continued)
Description/actionVxVMDescription/actionLVM
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.
vxassistDecreases disk space allocated to a
logical volume.
lvreduce
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
vxedit
vxassist
Removes one or more logical volumes
from a volume group.
lvremove
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
vxassist
snapshot
Splits a mirrored logical volume into
two logical volumes.
lvsplit
The snapback operation returns the
snapshot plex to the original volume
from which it was snapped.
Example:
vxassist snapback new_volume
vxassist
snapback
Reverses and converts the lvsplit
logical volumes to a single logical
volume.
lvmerge
Offline data migration
Command differences
436