Designing Disaster Tolerant High Availability Clusters, 10th Edition, March 2003 (B7660-90013)

Building a Metropolitan Cluster Using MetroCluster/CA
Preparing an MC/ServiceGuard Cluster for MetroCluster /CA
Chapter 3104
commands if you are using PV links. The -s option to the vgexport
command saves the volume group id (VGID) in the map file, but it does
not preserve the order of PV links. To specify the exact order of PV links,
do not use the -s option with vgexport, and in the vgimport command,
enter the individual links in the desired order, as in the following
example:
# vgimport -v -m mapfilename vgname linkname1 linkname2
Creating VxVM Disk Groups for Use with
MetroCluster/CA
If you are using VERITAS storage, use the following procedure to create
disk groups. It is assumed that you have already created a VERITAS
root disk (rootdg) on the system where you are configuring the storage.
The following section shows how to set up VERITAS disk groups. On one
node do the following:
1. Create the device pair to be used by the package:
# paircreate -g devgrpA -f never -vl -c 15
2. Check to make sure the devices are in the PAIR state:
# pairdisplay -g devgrpA
3. Initialize disks to be used with VxVM by running the vxdisksetup
command. Run the following command only on the primary system:
# vxdisksetup -i c5t0d0
4. Create the disk group to be used by using vxdg command. Run the
following command only on the primary system:
# vxdg init logdata /dev/dsk/c5t0d0
5. Verify the configuration with the following command:
# vxdg list
6. Use the vxassist command to create the logical volume.
# vxassist -g logdata make logfile 2048m
7. Verify the configuration with the following command:
# vxprint -g logdata
8. Make the filesystem with the following command: