Owner's Manual

62 Configuring Database Storage on the Host
3 Perform this step only if the RAC configuration uses an EqualLogic iSCSI
storage and a Linux Device Mapper Multipath driver.
a Set the ORACLEASM_SCANORDER parameter in
/etc/sysconfig/oracleasm as follows: ORACLEASM_SCANORDER=
"dm"
b Reboot the system for the change to take effect.
4 On the first node in the terminal window, type the following and press
<Enter>:
service oracleasm createdisk ASM1 /dev/emcpowerb1
service oracleasm createdisk ASM2 /dev/emcpowerc1
5
Repeat step 4 for any additional ASM disks that need to be created.
6 Verify that the ASM disks are created and marked for ASM usage. In the
terminal window, type the following and press <Enter>:
service
oracleasm listdisks
The disks that you created in step 5 are displayed. For example:
ASM1
ASM2
7 Ensure that the remaining nodes are able to access the ASM disks that you
created in step 5. On each remaining node, open a terminal window, type
the following, and press <Enter>:
service oracleasm
scandisks
Configuring Shared Storage Disks for Oracle Clusterware Using Block
Devices and for Database and Recovery Files Using ASM
NOTE: For Red Hat Enterprise Linux 5 or Oracle Enterprise Linux 5 operating
systems, it is recommended to use the Oracle Clusterware disks only on Block
Devices and Database and Recovery Disks on ASM.
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