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How to create ASM base groups

Creating ASM base groups:

>> Before  creating ASM groups, we should check “labels” and “raw partition or disk partition.”

NOTE: You can see that “TYPE=”oracleasm”” disks are already configured to be used for ASM groups.

>> We will use ASMCA utility for creating ASM disk groups ASMCA stands for (Automatic Storage Management Configuration Assistant). In order to launch this utility tool, we need to execute “xhost +” command in ROOT login.

>>  Firstly, we switched to ROOT user and executed “xhost +” command and then we switched back to GRID user to launch ASMCA utility.

>> click on  create.

>> Provide disk group name. We have given ASM_DG_DATA for this group.

>> You can find Redundancy with three different types (i.e HIGH, NORMAL and EXTERNAL). We have selected External(none).

>> Then select “Show Eligible” option under “Select Member Disks”. It will display all available disks. Select the required disks for your disk group and click OK. We  have selected ORCL:VOL1.

>> Here creating a disk group ASM_DG_DATA.

>> disk group ASM_DG_DATA  is created successfulled.

>> click on OK.

>> In above exhibit, you can see that ASM_DG_DATA group has been created with EXTERNAL Redundancy.

>> click  Exit.

>> click on YES.

 

 

 

 

 

 

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