#mkdir /dev/vgoraB

#mknod /dev/vgoraA/group c 64 0x01000

#mknod /dev/vgoraB/group c 64 0x02000

3.Create the volume groups. Be careful not to span Symmetrix frames.

#vgcreate /dev/vgoraA /dev/rdsk/c6t0d0

#vgextend /dev/vgoraA /dev/rdsk/c6t0d1

#vgcreate /dev/vgoraB /dev/rdsk/c5t0d2

#vgextend /dev/vgoraB /dev/rdsk/c5t0d3

4.Create the logical volumes. (XXXX indicates size in MB)

#lvcreate -L XXXX /dev/vgoraA

#lvcreate -L XXXX /dev/vgoraB

5.Install a VxFS file system on the logical volumes.

#newfs -F vxfs /dev/vgoraA/rlvol1

#newfs -F vxfs /dev/vgoraB/rlvol1

6.Create map files to permit exporting the volume groups to other systems.

#vgchange -a n vgoraA

#vgchange -a n vgoraB

#vgexport -v -s -p -m /tmp/vgoraA.map vgoraA

#vgexport -v -s -p -m /tmp/vgoraB.map vgoraB

7.Copy the map files to the other nodes in the cluster.

#rcp /tmp/vgoraA.map node2:/tmp/vgoraA.map

#rcp /tmp/vgoraB.map node2:/tmp/vgoraB.map

8.Split the SRDF logical links.

#symrdf -g dgoraA split -v

#symrdf -g dgoraB split -v

On node2, node3, and node4, perform the following steps.

1.NOTE: If you are using the March 2008 version or later of HP-UX 11i v3, you can skip step1; vgimport (1m) will create the device file for you.

Create the volume group directories and special files.

#mkdir /dev/vgoraA

#mkdir /dev/vgoraB

#mknod /dev/vgoraA/group c 64 0x01000

#mknod /dev/vgoraB/group c 64 0x02000

2.Import the volume groups to each system:

#vgimport -v -s -m /tmp/vgoraA.map vgoraA

#vgimport -v -s -m /tmp/vgoraB.map vgoraB

3.After importing volume groups to all the other nodes, establish SRDF links.

#symrdf -gdgoraA establish -v

#symrdf -gdgoraB establish -v

Building a Metrocluster Solution with EMC SRDF 269