About Migrating to Oracle ASM Filter Driver From ASMLIB

If Oracle ASMLIB was installed, but not used earlier, you must create disk labels to enable migration of Oracle ASM disk groups to Oracle ASM Filter Driver (Oracle ASMFD) after installing Oracle Grid Infrastructure 12c Release 1 (

Oracle recommends that you temporarily move Oracle Cluster Registry (OCR) and voting files to another disk group if one is available, as described in "Migrating Oracle ASM Disk Groups without Oracle Cluster Registry or Voting Files", and migrate the disk group to use Oracle ASMFD. After migrating the disk group to use Oracle ASMFD, move OCR and voting files back to the disk group. You can similarly migrate any other disk groups if they contain OCR or voting files to ensure online migration of all disk groups to Oracle ASMFD.

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