Unable To Open Database Due To Diskgroup (+RECO and/or +FRA) Used To Multiplex The RedoLogs & Controlfiles & Archivelogs Got Corrupted.

(Doc ID 1382372.1)

Last updated on JUNE 20, 2017

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 12.1]
Oracle Database - Enterprise Edition - Version to [Release 12.1]
Information in this document applies to any platform.


1) +FRA or +RECO diskgroup (External redundancy) got corrupted and cannot be mounted again.

2) +FRA or +RECO diskgroup contains the multiplexed redologs, multiplexed control files and multiplexed archivelog location.

3) Therefore database(s) cannot be opened.


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms