To
use ASM on Linux, we need to create ASM disks, and using oracleasmLib is one
way to configure ASM disks. To do this, we need to install oracleasm kernel driver, oracleasm-support
and oracleasmlib, and then configure oracleasm.
oracleasm kernel driver is built in Oracle Linux and does not need to be installed. After installing oracleasm-support and oracleasmlib packages, oracleasm driver starts working.
oracleasm kernel driver is built in Oracle Linux and does not need to be installed. After installing oracleasm-support and oracleasmlib packages, oracleasm driver starts working.
If
you are using some other flavor of Linux, for example RedHat Linux, then you
would need to install all 3 packages (oracleasm driver, oracleasm-support and
oracleasmlib).
Since I am using Oracle Linux, I would
install oracle oracleasm-support and oracleasmlib.
Install oracleasm-support from yum repository or from Linux media, then download oracleasmlib package form the following URL, and install.
http://www.oracle.com/technetwork/server-storage/linux/asmlib/ol6-1709075.html
Install oracleasm-support from yum repository or from Linux media, then download oracleasmlib package form the following URL, and install.
http://www.oracle.com/technetwork/server-storage/linux/asmlib/ol6-1709075.html
Install
oracleasmlib and oracleasm-support
[root@salman1 ~]#
yum install oracleasm-support
[root@salman1 ~]#
rpm -i oracleasm-lib*
Configure
oracleasm (highlighted in red are the inputs during configuration)
[root@salman1 ~]#
/etc/init.d/oracleasm configure
Configuring the Oracle
ASM library driver.
This will configure the
on-boot properties of the Oracle ASM library
driver. The
following questions will determine whether the driver is
loaded on boot and what
permissions it will have. The current values
will be shown in
brackets ('[]'). Hitting <ENTER> without typing an
answer will keep that
current value. Ctrl-C will abort.
Default user to own the
driver interface []: grid
Default group to own the
driver interface []: asmadmin
Scan for Oracle ASM
disks on boot (y/n) [y]:y
Writing Oracle ASM
library driver configuration: done
Initializing the Oracle
ASMLib
driver:
[ OK ]
Scanning the system for
Oracle ASMLib
disks:
[ OK ]
Check
Configuration
[root@salman1 ~]#
/usr/sbin/oracleasm configure
ORACLEASM_UID=grid
ORACLEASM_GID=asmadmin
ORACLEASM_SCANBOOT=true
ORACLEASM_SCANORDER=""
ORACLEASM_SCANEXCLUDE=""
ORACLEASM_USE_LOGICAL_BLOCK_SIZE="false"
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