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Rman Backup Incremental Level 1 Hang Forever (Doc ID 265917.1)

Last updated on JANUARY 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 8.1.7.4 and later
Information in this document applies to any platform.

Symptoms

NOTE: In the images and/or the document content below, the user information and environment data used represents fictitious data from the Oracle sample schema(s),Public Documentation delivered with an Oracle database product or other training material. Any similarity to actual environments, actual persons, living or dead, is purely coincidental and not intended in any manner.

For the purposes of this document, the following fictitious environment is used as an example to describe the procedure:

Schema = RMAN

RMAN incremental level 1 backup was hung forever.
RMAN full backup was going on. But it also takes time.
Even one datafile with incremental level 1 backup goes forever.

If backup cancels we get following:

RMAN-06004: ORACLE error from recovery catalog database: ORA-01013: user requested cancel of current operation
ORA-06512: at "RMAN.DBMS_RCVMAN", line 8844
ORA-06512: at line 1
RMAN-06097: text of failing SQL statement: declare first boolean := FALSE ; rcvRec dbms_rcvman . rcvRec_t ; begin if ( :first > 0 ) THEN first := TRUE ; end if ; dbms_rcvman . getIncrementalScn ( first => first , file# => to_number ( NULL ) , create_scn => to_number ( NULL ) , reset_scn => to_number ( NULL ) , reset_time => to_date ( NULL ) , incr_level => :incr_lvl , cumulative => :cumulat , rcvRec => rcvRec ) ; :fno := rcvRec . dfNumber_obj ; :ckpscn := rcvRec . toSCN_act ; :crescn := rcvRec . dfCreationSCN_obj ; :rlgscn := rcvRec . rlgSCN_act ; :r
RMAN-06099: error occurred in source file: krmk.pc, line: 5500

Incremental backup without catalog(with nocatalog option) goes fine.

Changes

 rman catalog not cleaned up.

Cause

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