| ASM - Unable too see Candidate Disks [message #384296] |
Tue, 03 February 2009 03:10  |
kumarsz
Messages: 180
Registered: March 2005
Location: canada
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Senior Member |
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Hi,
I am using RHEL 5.2 and Oracle database 10.2.0.4.0
I am trying to simulate ASM referring the following Article
'Simulating ASM with 10g Database by faking the hardware' By Pankaj in this forum
I have the following release
uname -r
2.6.18-92.el5
And I am using following RPMs for this
oracleasm-support-2.1.2-1.el5.i386.rpm
oracleasmlib-2.0.3-1.el5.i386.rpm
oracleasm-2.6.18-92.el5-2.0.5-1.el5.i686.rpm
I have followed the steps as mentioned in the article however when I reached step no. 7 (as mentioned below), I am unable to see the 'Candidate Disk's
I even selected the option 'Show All' but nothing is displayed
While I Reboot the Linux server, I could see that 'Mount' failed for the ASM file systems.
Again I approached the same screen and stuck at Step No.7
What could be missing here?
6. Select Configuration Option
- Select Configure Automatic Storage Management (ASM)
- Enter the ASM SYS password and confirm
- Click on Next
7. Configure Automatic Storage Management
Disk Group Name: DATA
- Redundancy
-- High mirrors data twice.
-- Normal mirrors data once. This is the default.
-- External does not mirror data within ASM. This is typically used if an external RAID array is providing redundancy.
- Add Disks
The disks you configured for use with ASMLib are listed as Candidate Disks. Select each disk you wish to include in the disk group.
- Click on Next
Thanks in Advance,
Pratap
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| Re: ASM - Unable too see Candidate Disks [message #388454 is a reply to message #384296] |
Tue, 24 February 2009 22:22  |
kumarsz
Messages: 180
Registered: March 2005
Location: canada
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Senior Member |
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Hi Mahesh,
Thanks for you reply
I have granted permissions (as root) as following
chown -R oracle:oinstall /asmdisk
chmod -R 777 /asmdisk
where I have disk1, disk2,disk3, disk4 under /asmdisk
But No Luck.
I repeated steps from start creating differnt disks as well but still I am unable to see the Candidate disks
Later just to experiment I started DBCA with root but I could not see those disks
However when I checked with File command I could see 'ASM Volume'
Do I need to modify any other files for these disk permissions?
Thanks and Regards,
Pratap
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