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RE: RMAN backup of archived log fails

Job Miller

2007-05-29

Replies:
sounds like a bug.  try oracle support.  if the original backup command backed it up, and the backup is part of the catalog already, the backup archivelog delete all input shouldn't think it still needs to back it up.     it is confused apparently, and not including this backup in its calculations about what it still needs.

from your "list" command, it seems it is aware of the backup from a reporting perspective, but not from a calculation about what needs to be backed up. 

probably two separate code paths.  produce a simple test case that reproduces this and send it to support.


1.  generate a bunch of log switches
2.  backup logs until sequence x delete input
3.  generate some more log switches, backup archive log delete all input

if you get the error, it must be a bug (or a consequence of #2 that should be documented).

Job

Ken Naim <kennaim@gmail.com> wrote:
Perform a crosscheck which should sync the catalog to the file system.

Ken

-----Original Message-----
From: oracle-l-bounce@freelists.org [mailto:oracle-l-bounce@freelists.org]
On Behalf Of Tony van Lingen
Sent: Monday, May 28, 2007 9:57 PM
To: oracle-l@freelists.org
Subject: RMAN backup of archived log fails

G'day all.

I've spent all day yesterday and today trying to figure this out - but
no luck. Has anyone seen this before, or maybe a hint where to look?
I've tried all Oracle doco, google, the list archives, etc. (but maybe
my search terms are off..)

Versions are:

Oracle RDBMS 10.1.0.4 (both target, catalog and RMAN itself)
NetBackup: 5.1
Target OS: MS Windows 2003 sp 1
Catalog OS: RedHat Enterprise Linux 4

Some time ago we ran out of space on our archive log destination, due to
ongoing problems with NetBackup and the Dell tape libraries.. that's now
fixed and we backup up the archived log files by specifying sequence
ranges (via NetBackup), as in

RMAN> backup archivelog until sequence #### delete input;

All backlog files are now backed up, but when we run the normal job,
which has "backup archivelog all delete input", it fails complaining
that it cannot find a file which was backup up with the sequence limited
command. This is the error:

released channel: ch00
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 05/29/2007 09:34:51
RMAN-06059: expected archived log not found, lost of archived log
compromises recoverability
ORA-19625: error identifying file
C:\ORA02\ORAARCH\PRD2\1_49911_579631123.DBF
ORA-27041: unable to open file
OSD-04002: unable to open file
O/S-Error: (OS 2) The system cannot find the file specified.


Both the database and the catalog say that the file it complaints about
are backed up:

Catalog:
--------

RMAN> list backup of archivelog from sequence 49910 until sequence 49920;


List of Backup Sets
===================

BS Key Size Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
767842 9M SBT_TAPE 00:00:51 28/MAY/07
BP Key: 767869 Status: AVAILABLE Compressed: NO Tag:
TAG20070528T152841
Handle: arch-s3807-p1 Media: 0282L2

List of Archived Logs in backup set 767842
Thrd Seq Low SCN Low Time Next SCN Next Time
---- ------- ---------- --------- ---------- ---------
1 49910 1027045799 30/APR/07 1027170213 30/APR/07

BS Key Size Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
768511 95M SBT_TAPE 00:00:59 28/MAY/07
BP Key: 768634 Status: AVAILABLE Compressed: NO Tag:
TAG20070528T164226
Handle: arch-s3918-p1 Media: 0282L2

List of Archived Logs in backup set 768511
Thrd Seq Low SCN Low Time Next SCN Next Time
---- ------- ---------- --------- ---------- ---------
1 49911 1027170213 30/APR/07 1027622380 01/MAY/07
1 49912 1027622380 01/MAY/07 1028243184 01/MAY/07
1 49913 1028243184 01/MAY/07 1028327534 01/MAY/07
1 49914 1028327534 01/MAY/07 1028435075 01/MAY/07
1 49915 1028435075 01/MAY/07 1028485654 01/MAY/07
1 49916 1028485654 01/MAY/07 1028485809 01/MAY/07
1 49917 1028485809 01/MAY/07 1028485966 01/MAY/07
1 49918 1028485966 01/MAY/07 1028486121 01/MAY/07
1 49919 1028486121 01/MAY/07 1028486277 01/MAY/07
1 49920 1028486277 01/MAY/07 1028486439 01/MAY/07

RMAN>

Target database:
----------------
SQL> select sequence#, archived, status, backup_count from
v$archived_log where sequence# between 49910 and 49920 ;

SEQUENCE# ARC S BACKUP_COUNT
---------- --- - ------------
49910 YES D 1
49911 YES D 1
49912 YES D 1
49913 YES D 1
49914 YES D 1
49915 YES D 1
49916 YES D 1
49917 YES D 1
49918 YES D 1
49919 YES D 1
49920 YES D 1

--
Tony van Lingen
EPA Queensland.


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