ASMCA needs Oracle Grid Infrastructure to configure ASM

Hi,
I am trying to install ASM 11gR2 on RHEL5. I am using VMWare Workstation for this.
I have already installed Oracle database software and Grid Infrastructure on this machine.While installing Grid Infrastructure, I chose install Grid Infrastructure software only.
Once this was successfull I am trying to create ASM instance using asmca.
Regarding the disks, I am using raw devices. I created a virtual disk which I have partitioned but haven't formatted it. Done this to create raw device
[[email protected] sysconfig]# /bin/raw /dev/raw/raw1 /dev/sdb
/dev/raw/raw1: bound to major 8, minor 16
and have added
ACTION=="add",KERNEL=="sdb",RUN+="/bin/raw /dev/raw/raw1 %N"
to /etc/udev/rules.d/60-raw.rules
Then I tried creating the disk but it failed. So I did the following steps to fix it
[[email protected] Softwares]# /etc/init.d/oracleasm createdisk VOL1 /dev/sdb
Marking disk "VOL1" as an ASM disk: [FAILED]
[[email protected] grid]$ tail -f /var/log/oracleasm
Device "/dev/sdb" is not a partition
To fix this
[[email protected] ~]# /usr/sbin/asmtool -C -l /dev/oracleasm -n VOL1 -s /dev/sdb -a force=yes
asmtool: Device "/dev/sdb" is not a partition
asmtool: Continuing anyway
Now I am able to view the asmdisk through listdisks option.
Have set following environment variables before running asmca
[[email protected] ~]$ export ORACLE_HOME=/u01/app/oracle/product/11.2.0/Grid
[[email protected] ~]$ export PATH=/u01/app/oracle/product/11.2.0/Grid/bin:/usr/sbin:/usr/kerberos/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/home/oracle/bin
When I am running ASMCA I am facing this error - Oralce Grid Infrastrcture is not configured properly. ASMCA needs Oracle Grid Infrastructure to configure ASM
Any thoughts?

Hi Aman,
Thanks for the reply.
Is it possible to configure 11gR2 ASM on single instance databases ? I have done the config with 10g but I am struggling with the Grid Infrastructure. For eg: when I do deinstall of Grid Infrstructure
+[[email protected] deinstall]$ ./deinstall -home /u01/app/oracle/product/11.2.0/Grid+
ORACLE_HOME = /u01/app/oracle/product/11.2.0/Grid
Location of logs /u01/Softwares/oracle11gR2/deinstall/logs/
+############ ORACLE DEINSTALL & DECONFIG TOOL START ############+
+######################## CHECK OPERATION START ########################+
Install check configuration START
Checking for existence of the Oracle home location /u01/app/oracle/product/11.2.0/Grid
Oracle Home type selected for de-install is: SIHA
Oracle Base selected for de-install is: /u01/app/oracle
Checking for existence of central inventory location /u01/app/oraInventory
Checking for existence of the Oracle Grid Infrastructure home
Install check configuration END
Traces log file: /u01/Softwares/oracle11gR2/deinstall/logs//crsdc.log
Network Configuration check config START
Network de-configuration trace file location: /u01/Softwares/oracle11gR2/deinstall/logs/netdc_check42401.log
Network Configuration check config END
Asm Check Configuration START
ASM de-configuration trace file location: /u01/Softwares/oracle11gR2/deinstall/logs/asmcadc_check42402.log
+ASM configuration was not detected in this Oracle home. Was ASM configured in this Oracle home (y|n) [n]:+
ASM was not detected in the Oracle Home
+######################### CHECK OPERATION END #########################+
+####################### CHECK OPERATION SUMMARY #######################+
Oracle Grid Infrastructure Home is:
The cluster node(s) on which the Oracle home exists are: (Please input nodes seperated by ",", eg: node1,node2,...)null
Oracle Home selected for de-install is: /u01/app/oracle/product/11.2.0/Grid
Inventory Location where the Oracle home registered is: /u01/app/oraInventory
ASM was not detected in the Oracle Home
+Do you want to continue (y - yes, n - no)? [n]: y+
A log of this session will be written to: '/u01/Softwares/oracle11gR2/deinstall/logs/deinstall_deconfig2010-08-07_01-31-49-PM.out'
Any error messages from this session will be written to: '/u01/Softwares/oracle11gR2/deinstall/logs/deinstall_deconfig2010-08-07_01-31-49-PM.err'
+######################## CLEAN OPERATION START ########################+
ASM de-configuration trace file location: /u01/Softwares/oracle11gR2/deinstall/logs/asmcadc_clean42403.log
ASM Clean Configuration END
Network Configuration clean config START
Network de-configuration trace file location: /u01/Softwares/oracle11gR2/deinstall/logs/netdc_clean42404.log
De-configuring backup files...
Backup files de-configured successfully.
The network configuration has been cleaned up successfully.
Network Configuration clean config END
---------------------------------------->
Press Enter after you finish running the above commands
+<----------------------------------------+
I don't see any commands to run but the deinstall blindly says that
"Press Enter after you finish running the above commands"
and while looking at the net I found out it might be something similar to this
/u01/Softwares/oracle11gR2/deinstall/perl/bin/perl -I/u01/Softwares/oracle11gR2/deinstall/perl/lib -I/u01/Softwares/oracle11gR2/deinstall/crs/install /u01/Softwares/oracle11gR2/deinstall/crs/install/rootcrs.pl -force -delete -paramfile /u01/Softwares/oracle11gR2/deinstall/response/deinstall_Ora11g_gridinfrahome1.rsp
Should I run the previous command as root.
Am I doing things in the right way or am I missing something here?

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