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

Table 27-3
LVM and VxVM task comparisons (continued)
ExampleDescriptionTask type
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
vxrecover -s vol_nameResynchronize operations for the named
volumes, or for volumes residing on the named
disks.
If no medianame or volume operands are
specified, then the operation applies to all
volumes.
VxVM
lvchange -a y /dev/vol_grp/lvol_nameStart a volume.LVM
vxrecover -s vol_name
vxvol start vol_name
Start a volume.VxVM
lvchange -a n /dev/vol_grp/lvol_nameStop a volume.LVM
vxvol stop vol_nameStop a volume.VxVM
Offline data migration
Command differences
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