title: Oracle ASM dgname name
body: <p>One of our customer has issue with renamedg followings are the details, I am suspecting the issue may be with <code>newdgname=_FACASM</code> newdgname starting with '_'. But could find any reference to support the same  </p>
  
  <p>Can we have dgname starting with '_' ?</p>
  
  <pre><code>renamedg operation: dgname=RXIODATA01 newdgname=_FACASM asm_diskstring=/dev/test-data-514f0c57dbe0008d*
  Executing phase 1
  Discovering the group
  KFNDG-00407: file not found; arguments: [/dev/test-data-514f0c57dbe0008d*]
  </code></pre>
  
  <p>Thanks</p>