HP Hitachi Dynamic Link Manager Software - Manual (Page 290)

3. Creating an HDLM Environment
266
3.15 Settings for the RHCM
The user must execute the following procedure when HDLM is installed in an
environment that uses RHCM.
3.15.1 Notes on Using RHCM
The HDLM device used by the cluster service and the HDLM device used by Quorum
must be the same.
3.15.2 When Using Red Hat Enterprise Linux AS4/ES4
To specify settings for RHCM:
1.
Stop the service of the RHCM cluster.
Stop the RHCM service with the following command if the service is running:
# service rgmanager stop
# service cman stop
# service ccsd stop
2. Change the SCSI device being used by RHCM to an HDLM device.
Edit as shown below if the lower SCSI device (
/dev/sda
) of the HDLM device
(
/dev/sddlmaa
) is being used as
/dev/raw/raw1
.
# /dev/raw/raw1 /dev/sda
/dev/raw/raw1 /dev/sddlmaa
Comment out
/dev/sda
and add
/dev/sddlmaa
.
3. Restart the
rawdevices
service to apply the changes made in Step 2.
Execute the following command to restart the service:
# service rawdevices restart
4. Start the cluster service of RHCM.
Executing the following command to start the service:
# service ccsd start
# service cman start
# service rgmanager start