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HP Hitachi Dynamic Link Manager Software User Manual

Page 291

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3. Creating an HDLM Environment

267

3.15.3 When Using Red Hat Enterprise Linux 5, or Red Hat

Enterprise Linux 6

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

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

.


# ACTION=="add", KERNEL=="sda", RUN+="/bin/raw /dev/raw/raw1
%N"
ACTION=="add", KERNEL=="sddlmaa", RUN+="/bin/raw /dev/raw/
raw1 %N"

Comment out

KERNEL=="sda"

and add

KERNEL=="sddlmaa"

.

3.

If you will restart the host, go to step 4. If you will not restart the host, go to step 5.

4.

Restart the host to apply the changes made in step 2.
Execute the following command to restart the host:


# shutdown -r now

RHCM setup is complete.

5.

Execute the following command to apply the changes made in step 2.


# /sbin/start_udev

6.

Start the cluster service of RHCM.
Executing the following command to start the service:


# service cman start
# service rgmanager start

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