RMAN Backup fails with error ORA-27023: Skgfqsbi: Media Manager Protocol Error

(Doc ID 2286437.1)

Last updated on SEPTEMBER 05, 2017

Applies to:

Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Taking RMAN backup on Oracle Cloud returns error:

ERROR
-----------------------
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 03/24/2017 09:48:38
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27023: skgfqsbi: media manager protocol error
ORA-19511: Error received from media manager layer, error text:
  KBHS-01404: See trace file /u01/app/oracle/diag/rdbms/odap01/odap011/trace/sbtio_68373_140259417503456.log for details
KBHS-00719: Error 'unknown'; Invalid user id or password
KBHS-00700: HTTP response error 'Unauthorized'

- The issue can be reproduced at will with the following steps:

RMAN> backup device type sbt database;

Cause

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