How to add disk to ASM

Some really useful pointers on adding new disk to ASM

ORACLE RAC DBA

How to add disk to ASM (DATABASE) runing in production server

We have database running on ASM, after two years we faced the problem of space deficiency.

Now we planed to add disk to ASM diskgroup DATAGROUP.

SQL> @asm
NAME                 TOTAL_GB                FREE_GB
------------------------------ ---------- ----------
DATAGROUP            249.995117             15.2236328
IDXGROUP             149.99707              10.4892578

Steps are below

1) Create partition of disk /dev/sdm which we got new LUN from Storage

[root@rac-node1 ~]# fdisk -l /dev/sdm Disk /dev/sdm: 85.8 GB, 85899345920 bytes 255 heads, 63 sectors/track, 10443 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk /dev/sdm doesn't contain a valid partition table [root@rac-node1 ~]# fdisk /dev/sdm Device contains neither a valid DOS partition table, nor Sun…

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