Resize Oracle ASM Disks

Blog Post created by tdau Employee on Jul 15, 2013

OK.  Last week I discussed adding/removing Oracle ASM disk online.  Now let’s talk about resizing existing ASM disks online.

Here is my current setup

Now I want to increase the size of my DATADG.  My DATADG disk group currently has 4 x 200GB disks.  I will increase each disk to 400GB.