VERITAS Volume Manager 3.5 Migration Guide (August 2002)

Chapter 3, Command Differences
Final 24 July 2002 Comparison of LVM and VxVM Tasks
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Table 3. LVM and VxVM Task Comparison
Task
Type
Description Example
LVM Create an LVM disk. pvcreate /dev/rdsk/disk_name
VxVM Bring a disk under Volume Manager
control.
vxdiskadd device_name
Option 1 in the vxdiskadm menu adds a disk
and initializes it.
LVM Create a volume group vgcreate /dev/vol_grp
/dev/dsk/disk_name
VxVM Create a disk group. vxdg init disk_group disk_name
Option 1 in the vxdiskadm menu performs
this task.
LVM Add a new disk to the existing volume
group.
vgextend /dev/vol_grp
/dev/rdsk/disk_name
VxVM Add a disk to an existing disk group. vxdg -g disk_group adddisk
disk=devicename
Example for a disk_group = veritasdg, medianame = disk01, vol_name -= veritasvol, plex name =
veritasvol-01, subdisk -= disk01-01, devicename = c0t0d0.