beautypg.com

HP Hitachi Dynamic Link Manager Software User Manual

Page 231

background image

3. Creating an HDLM Environment

209

3.13 Setting Up VxVM

When you are using VxVM, VxVM accesses an LU by using an HDLM device.
VxVM will automatically recognize HDLM devices. Perform setup as you would for

any other device, by following the VxVM documentation.

3.13.1 Creating a Disk Group

This subsection mainly describes the preparations for registering the HDLM device in

the VxVM disk group.
To register the HDLM device in the VxVM disk group, you must remove non-HDLM

devices from VxVM. If you have not yet removed non-HDLM devices, first remove

them as described in (2) Removing Devices from VxVM on a Controller Basis or

(3) Removing Devices From VxVM on a Path Basis in 3.13.3 Removing Devices from

VxVM, and then perform the following procedure:
To register an HDLM device:
1.

Make sure that VxVM recognizes HDLM devices.
Execute the following commands sequentially to check whether VxVM

recognizes HDLM devices.

The

dlnkmgr

command's

view -path

operation

Check the HDLM devices that must be recognized by VxVM. The following

shows an example of executing the command: