HP XP P9500 Storage - Manual (Page 249)

# /etc/init.d/oracleasm configure
b
.
Open the ASMLib configuration file (/etc/sysconfig/oracleasm).
c
.
Change the ORACLEASM_SCANORDER line as follows:
ORACLEASM_SCANORDER ="sddlm"
If an ASM disk defined in an HDLM device already exists, perform this
procedure, and then restart all the nodes.
This step must be done to enable the settings.
• If you use HDLM with Oracle RAC 11g Release 2, shared file systems,
which are created by using ADVM (ASM Dynamic Volume Manager) or
ACFS (ASM Cluster File System), cannot be used for the archived REDO
log file area.
Settings for the RHCM
The user must execute the following procedure when HDLM is installed in an
environment that uses RHCM.
Notes on Using RHCM
The HDLM device used by the cluster service and the HDLM device used by
Quorum must be the same.
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.
Creating an HDLM Environment
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Hitachi Dynamic Link Manager User Guide (for Linux(R))