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Not able to scan and list asm disk after server reboot.

627444Mar 28 2012
Hi,

I installed the 2 Node RAC 11.2.3 on linux .



Node1 working fine after reboot server.

But when I reboot the Node2.
I got ASM disk scan and list issue.

asm module not able to scan and list disk. In crsd log show not able to find the voting disk.
But when I did following steps then on node 2 cluster up and running fine every time after reboot.

[root@rac2 ~]$ /usr/sbin/oracleasm status
Checking if ASM is loaded: yes
Checking if /dev/oracleasm is mounted: yes
[root@rac2 ~]$ /usr/sbin/oracleasm scandisks
Reloading disk partitions: done
Cleaning any stale ASM disks...
Scanning system for ASM disks...
[root@rac2 ~]$ /usr/sbin/oracleasm listdisks
[root@rac2 ~]$ /usr/sbin/oracleasm listdisks
[root@rac2 ~]$

There were no ASM disk mounted on RAC2

Mounted Disk on ASM RAC-2 using folowing commands :

[root@rac2 ~]# /usr/sbin/oracleasm configure
ORACLEASM_ENABLED=true
ORACLEASM_UID=grid
ORACLEASM_GID=asmadmin
ORACLEASM_SCANBOOT=true
ORACLEASM_SCANORDER=""
ORACLEASM_SCANEXCLUDE=""

[root@rac2 ~]# /usr/sbin/oracleasm configure -i
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]: grid
Default group to own the driver interface [asmadmin]: asmadmin
Start Oracle ASM library driver on boot (y/n) [y]: y
Scan for Oracle ASM disks on boot (y/n) [y]: y
Writing Oracle ASM library driver configuration: done
[root@rac2 ~]# /usr/sbin/oracleasm init
[root@rac2 ~]# /usr/sbin/oracleasm init

[root@rac2 ~]# /usr/sbin/oracleasm scandisks
Reloading disk partitions: done
Cleaning any stale ASM disks...
Scanning system for ASM disks...
Instantiating disk "OCRVOT1"
Instantiating disk "OCRVOT2"
Instantiating disk "OCRVOT3"
Instantiating disk "OCRVOT4"
Instantiating disk "OCRVOT5"
Instantiating disk "DISK8"
Instantiating disk "DISK2"
Instantiating disk "DISK3"
Instantiating disk "DISK4"
Instantiating disk "DISK5"
Instantiating disk "DISK6"
Instantiating disk "DISK7"


Please help me ASAP to fix this.

Thanks in advance.
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Locked on Apr 25 2012
Added on Mar 28 2012
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