18 June, 2025

Backup a Backup that is in ASM

 In RAC or Single Instance environments with ASM, it is possible to run database backups to ASM  (typically the FRA diskgroup).

Note : Timestamps are in UTC in the listings below


[oracle@srv1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Wed Jun 18 14:34:21 2025
Version 19.25.0.0.0

Copyright (c) 1982, 2024, Oracle.  All rights reserved.


Connected to:
Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.25.0.0.0

SQL> show parameter db_recover

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
db_recovery_file_dest                string      +FRA
db_recovery_file_dest_size           big integer 13332M
SQL>
SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.25.0.0.0
[oracle@srv1 ~]$ rman target /

Recovery Manager: Release 19.0.0.0.0 - Production on Wed Jun 18 14:34:49 2025
Version 19.25.0.0.0

Copyright (c) 1982, 2019, Oracle and/or its affiliates.  All rights reserved.

connected to target database: RACDB (DBID=1162136313)

RMAN> backup as compressed backupset database plus archivelog delete input;
backup as compressed backupset database plus archivelog delete input;

Starting backup at 18-JUN-25
current log archived
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=246 instance=RACDB1 device type=DISK
channel ORA_DISK_1: starting compressed archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=381 RECID=1257 STAMP=1199502152
input archived log thread=2 sequence=334 RECID=1258 STAMP=1199502185
input archived log thread=1 sequence=382 RECID=1260 STAMP=1199502404
...
...
...
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00001 name=+DATA/RACDB/DATAFILE/system.257.1164519439
input datafile file number=00003 name=+DATA/RACDB/DATAFILE/sysaux.258.1164519463
input datafile file number=00004 name=+DATA/RACDB/DATAFILE/undotbs1.259.1164519479
input datafile file number=00009 name=+DATA/RACDB/DATAFILE/undotbs2.269.1164519893
input datafile file number=00007 name=+DATA/RACDB/DATAFILE/users.260.1164519479
channel ORA_DISK_1: starting piece 1 at 18-JUN-25
channel ORA_DISK_1: finished piece 1 at 18-JUN-25
piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947 tag=TAG20250618T143546 comment=NONE
...
...
...
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00010 name=+DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/system.274.1164520333
input datafile file number=00011 name=+DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/sysaux.275.1164520333
input datafile file number=00012 name=+DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/undotbs1.273.1164520333
input datafile file number=00013 name=+DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/undo_2.277.1164520345
input datafile file number=00015 name=+DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users2.279.1167388913
input datafile file number=00016 name=+DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users3.280.1167388955
input datafile file number=00014 name=+DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users.278.1164520353
channel ORA_DISK_1: starting piece 1 at 18-JUN-25
channel ORA_DISK_1: finished piece 1 at 18-JUN-25
piece handle=+FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013 tag=TAG20250618T143546 comment=NONE
...
...
...
RMAN-08120: warning: archived log not deleted, not yet applied by standby
archived log file name=+FRA/RACDB/ARCHIVELOG/2025_06_18/thread_1_seq_403.402.1204123149 thread=1 sequence=403
RMAN-08120: warning: archived log not deleted, not yet applied by standby
archived log file name=+FRA/RACDB/ARCHIVELOG/2025_06_18/thread_2_seq_348.515.1204123149 thread=2 sequence=348
Finished backup at 18-JUN-25

Starting Control File and SPFILE Autobackup at 18-JUN-25
piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151 comment=NONE
Finished Control File and SPFILE Autobackup at 18-JUN-25


RMAN>
RMAN> list backupset completed after "trunc(sysdate)";
list backupset completed after "trunc(sysdate)";

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


BS Key  Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
337     57.35M     DISK        00:00:03     18-JUN-25
        BP Key: 337   Status: AVAILABLE  Compressed: YES  Tag: TAG20250618T143542
        Piece Name: +FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143542_0.473.1204122943

  List of Archived Logs in backup set 337
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
 ...
 ...
 ...
  1    401     11161346   01-MAY-25 11165463   18-JUN-25
  1    402     11165463   18-JUN-25 11177493   18-JUN-25
...
...
...
  2    346     11161357   01-MAY-25 11161847   18-JUN-25
  2    347     11161847   18-JUN-25 11177499   18-JUN-25

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
338     Full    1.07G      DISK        00:00:57     18-JUN-25
        BP Key: 338   Status: AVAILABLE  Compressed: YES  Tag: TAG20250618T143546
        Piece Name: +FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947
  List of Datafiles in backup set 338
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  1       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/system.257.1164519439
  3       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/sysaux.258.1164519463
  4       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/undotbs1.259.1164519479
  7       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/users.260.1164519479
  9       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/undotbs2.269.1164519893

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
339     Full    775.09M    DISK        00:00:42     18-JUN-25
        BP Key: 339   Status: AVAILABLE  Compressed: YES  Tag: TAG20250618T143546
        Piece Name: +FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013
  List of Datafiles in backup set 339
  Container ID: 3, PDB Name: PDB1
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  10      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/system.274.1164520333
  11      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/sysaux.275.1164520333
  12      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/undotbs1.273.1164520333
  13      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/undo_2.277.1164520345
  14      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users.278.1164520353
  15      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users2.279.1167388913
  16      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users3.280.1167388955

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
340     Full    812.50M    DISK        00:00:42     18-JUN-25
        BP Key: 340   Status: AVAILABLE  Compressed: YES  Tag: TAG20250618T143546
        Piece Name: +FRA/RACDB/339BC12E8011538DE0635A38A8C0C92A/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.460.1204123057
  List of Datafiles in backup set 340
  Container ID: 5, PDB Name: TSTPDB
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  25      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/system.281.1199369077
  26      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/sysaux.283.1199369077
  27      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/undotbs1.282.1199369077
  28      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/undo_2.285.1199369085

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
341     Full    812.46M    DISK        00:00:42     18-JUN-25
        BP Key: 341   Status: AVAILABLE  Compressed: YES  Tag: TAG20250618T143546
        Piece Name: +FRA/RACDB/14769E258FBB5FD8E0635A38A8C09D43/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.349.1204123103
  List of Datafiles in backup set 341
  Container ID: 2, PDB Name: PDB$SEED
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  5       Full 9669002    26-NOV-24              NO    +DATA/RACDB/86B637B62FE07A65E053F706E80A27CA/DATAFILE/system.265.1164519659
  6       Full 9669002    26-NOV-24              NO    +DATA/RACDB/86B637B62FE07A65E053F706E80A27CA/DATAFILE/sysaux.266.1164519659
  8       Full 9669002    26-NOV-24              NO    +DATA/RACDB/86B637B62FE07A65E053F706E80A27CA/DATAFILE/undotbs1.267.1164519659

BS Key  Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
342     674.00K    DISK        00:00:00     18-JUN-25
        BP Key: 342   Status: AVAILABLE  Compressed: YES  Tag: TAG20250618T143909
        Piece Name: +FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143909_0.492.1204123149

  List of Archived Logs in backup set 342
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
  1    403     11177493   18-JUN-25 11179239   18-JUN-25
  2    348     11177499   18-JUN-25 11179236   18-JUN-25

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
343     Full    19.17M     DISK        00:00:00     18-JUN-25
        BP Key: 343   Status: AVAILABLE  Compressed: NO  Tag: TAG20250618T143910
        Piece Name: +FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151
  SPFILE Included: Modification time: 18-JUN-25
  SPFILE db_unique_name: RACDB
  Control File Included: Ckp SCN: 11179258     Ckp time: 18-JUN-25


RMAN>


So I have run a backup from the first node of the RAC Cluster "srv1".  These are Backup Sets 337 to 343.  Since I didn't provide a TAG name in the BACKUP command, they have default TAG names based on Date and Time (TAG20250618T143542, TAG20250618T143546, TAG20250618T143546, TAG20250618T143546, TAG20250618T143546, TAG20250618T143909, TAG20250618T143910)

Next  I want to copy (i.e. backup) this backup to filesystem on "srv2" being the second node of the RAC Cluster.  As they are on the (shared) ASM DiskGroup, I can crosscheck them from srv2 first before I backup to filesystem.


[oracle@srv2 ~]$ rman target /

Recovery Manager: Release 19.0.0.0.0 - Production on Wed Jun 18 14:45:19 2025
Version 19.25.0.0.0

Copyright (c) 1982, 2019, Oracle and/or its affiliates.  All rights reserved.

connected to target database: RACDB (DBID=1162136313)

RMAN> crosscheck backup completed after "trunc(sysdate)";
crosscheck backup completed after "trunc(sysdate)";
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=229 instance=RACDB2 device type=DISK
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143542_0.473.1204122943 RECID=337 STAMP=1204122943
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947 RECID=338 STAMP=1204122946
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013 RECID=339 STAMP=1204123012
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/339BC12E8011538DE0635A38A8C0C92A/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.460.1204123057 RECID=340 STAMP=1204123057
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/14769E258FBB5FD8E0635A38A8C09D43/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.349.1204123103 RECID=341 STAMP=1204123102
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143909_0.492.1204123149 RECID=342 STAMP=1204123149
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151 RECID=343 STAMP=1204123150
Crosschecked 7 objects



RMAN>
RMAN> backup device type disk format '/u02/RMAN_To_Disk/%U' backupset completed after "trunc(sysdate)";
backup device type disk format '/u02/RMAN_To_Disk/%U' backupset completed after "trunc(sysdate)";
Starting backup at 18-JUN-25
using channel ORA_DISK_1
channel ORA_DISK_1: input backup set: count=380, stamp=1204122942, piece=1
channel ORA_DISK_1: starting piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece +FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143542_0.473.1204122943
piece handle=/u02/RMAN_To_Disk/bs3sat9u_380_1_2 comment=NONE
channel ORA_DISK_1: finished piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece complete, elapsed time: 00:00:01
channel ORA_DISK_1: input backup set: count=381, stamp=1204122946, piece=1
channel ORA_DISK_1: starting piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece +FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947
piece handle=/u02/RMAN_To_Disk/bt3sata2_381_1_2 comment=NONE
channel ORA_DISK_1: finished piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece complete, elapsed time: 00:00:01
channel ORA_DISK_1: input backup set: count=382, stamp=1204123011, piece=1
channel ORA_DISK_1: starting piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece +FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013
piece handle=/u02/RMAN_To_Disk/bu3satc3_382_1_2 comment=NONE
channel ORA_DISK_1: finished piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece complete, elapsed time: 00:00:01
channel ORA_DISK_1: input backup set: count=383, stamp=1204123057, piece=1
channel ORA_DISK_1: starting piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece +FRA/RACDB/339BC12E8011538DE0635A38A8C0C92A/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.460.1204123057
piece handle=/u02/RMAN_To_Disk/bv3satdh_383_1_2 comment=NONE
channel ORA_DISK_1: finished piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece complete, elapsed time: 00:00:01
channel ORA_DISK_1: input backup set: count=384, stamp=1204123102, piece=1
channel ORA_DISK_1: starting piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece +FRA/RACDB/14769E258FBB5FD8E0635A38A8C09D43/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.349.1204123103
piece handle=/u02/RMAN_To_Disk/c03sateu_384_1_2 comment=NONE
channel ORA_DISK_1: finished piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece complete, elapsed time: 00:00:01
channel ORA_DISK_1: input backup set: count=385, stamp=1204123149, piece=1
channel ORA_DISK_1: starting piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece +FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143909_0.492.1204123149
piece handle=/u02/RMAN_To_Disk/c13satgd_385_1_2 comment=NONE
channel ORA_DISK_1: finished piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece complete, elapsed time: 00:00:01
channel ORA_DISK_1: input backup set: count=386, stamp=1204123150, piece=1
channel ORA_DISK_1: starting piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece +FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151
piece handle=/u02/RMAN_To_Disk/c23satge_386_1_2 comment=NONE
channel ORA_DISK_1: finished piece 1 at 18-JUN-25
channel ORA_DISK_1: backup piece complete, elapsed time: 00:00:01
Finished backup at 18-JUN-25

Starting Control File and SPFILE Autobackup at 18-JUN-25
piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123831.443.1204123831 comment=NONE
Finished Control File and SPFILE Autobackup at 18-JUN-25


RMAN>
RMAN> crosscheck backup completed after "trunc(sysdate)";
crosscheck backup completed after "trunc(sysdate)";
using channel ORA_DISK_1
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143542_0.473.1204122943 RECID=337 STAMP=1204122943
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/bs3sat9u_380_1_2 RECID=344 STAMP=1204123823
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947 RECID=338 STAMP=1204122946
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/bt3sata2_381_1_2 RECID=345 STAMP=1204123825
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013 RECID=339 STAMP=1204123012
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/bu3satc3_382_1_2 RECID=346 STAMP=1204123826
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/339BC12E8011538DE0635A38A8C0C92A/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.460.1204123057 RECID=340 STAMP=1204123057
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/bv3satdh_383_1_2 RECID=347 STAMP=1204123827
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/14769E258FBB5FD8E0635A38A8C09D43/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.349.1204123103 RECID=341 STAMP=1204123102
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/c03sateu_384_1_2 RECID=348 STAMP=1204123828
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143909_0.492.1204123149 RECID=342 STAMP=1204123149
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/c13satgd_385_1_2 RECID=349 STAMP=1204123829
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151 RECID=343 STAMP=1204123150
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/c23satge_386_1_2 RECID=350 STAMP=1204123830
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123831.443.1204123831 RECID=351 STAMP=1204123831
Crosschecked 15 objects



RMAN>RMAN> list backup summary completed after "trunc(sysdate)";
list backup summary completed after "trunc(sysdate)";

List of Backups
===============
Key     TY LV S Device Type Completion Time #Pieces #Copies Compressed Tag
------- -- -- - ----------- --------------- ------- ------- ---------- ---
337     B  A  A DISK        18-JUN-25       1       2       YES        TAG20250618T143542
338     B  F  A DISK        18-JUN-25       1       2       YES        TAG20250618T143546
339     B  F  A DISK        18-JUN-25       1       2       YES        TAG20250618T143546
340     B  F  A DISK        18-JUN-25       1       2       YES        TAG20250618T143546
341     B  F  A DISK        18-JUN-25       1       2       YES        TAG20250618T143546
342     B  A  A DISK        18-JUN-25       1       2       YES        TAG20250618T143909
343     B  F  A DISK        18-JUN-25       1       2       NO         TAG20250618T143910
344     B  F  A DISK        18-JUN-25       1       1       NO         TAG20250618T145031


RMAN>
RMAN> list backupset completed after "trunc(sysdate)";
list backupset completed after "trunc(sysdate)";
using target database control file instead of recovery catalog

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


BS Key  Size
------- ----------
337     57.35M

  List of Archived Logs in backup set 337
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
 ...
 ...
 ...
  1    401     11161346   01-MAY-25 11165463   18-JUN-25
  1    402     11165463   18-JUN-25 11177493   18-JUN-25
...
...
...
  2    346     11161357   01-MAY-25 11161847   18-JUN-25
  2    347     11161847   18-JUN-25 11177499   18-JUN-25

  Backup Set Copy #1 of backup set 337
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:03     18-JUN-25       YES        TAG20250618T143542

    List of Backup Pieces for backup set 337 Copy #1   ### Shown as Copy #1 for Backupset 337
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    337     1   AVAILABLE   +FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143542_0.473.1204122943

  Backup Set Copy #2 of backup set 337
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:03     18-JUN-25       YES        TAG20250618T143542

    List of Backup Pieces for backup set 337 Copy #2   ### Shown as Copy #2 for Backupset 337
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    344     1   AVAILABLE   /u02/RMAN_To_Disk/bs3sat9u_380_1_2

BS Key  Type LV Size
------- ---- -- ----------
338     Full    1.07G
  List of Datafiles in backup set 338
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  1       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/system.257.1164519439
  3       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/sysaux.258.1164519463
  4       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/undotbs1.259.1164519479
  7       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/users.260.1164519479
  9       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/undotbs2.269.1164519893

  Backup Set Copy #1 of backup set 338
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:57     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 338 Copy #1   ### Shown as Copy #1 for Backupset 338
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    338     1   AVAILABLE   +FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947

  Backup Set Copy #2 of backup set 338
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:57     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 338 Copy #2   ### Shown as Copy #2 for Backupset 338
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    345     1   AVAILABLE   /u02/RMAN_To_Disk/bt3sata2_381_1_2

BS Key  Type LV Size
------- ---- -- ----------
339     Full    775.09M
  List of Datafiles in backup set 339
  Container ID: 3, PDB Name: PDB1
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  10      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/system.274.1164520333
  11      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/sysaux.275.1164520333
  12      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/undotbs1.273.1164520333
  13      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/undo_2.277.1164520345
  14      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users.278.1164520353
  15      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users2.279.1167388913
  16      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users3.280.1167388955

  Backup Set Copy #1 of backup set 339
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 339 Copy #1   ### Shown as Copy #1 for Backupset 339
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    339     1   AVAILABLE   +FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013

  Backup Set Copy #2 of backup set 339
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 339 Copy #2    ### Shown as Copy #2 for Backupset 339
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    346     1   AVAILABLE   /u02/RMAN_To_Disk/bu3satc3_382_1_2

BS Key  Type LV Size
------- ---- -- ----------
340     Full    812.50M
  List of Datafiles in backup set 340
  Container ID: 5, PDB Name: TSTPDB
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  25      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/system.281.1199369077
  26      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/sysaux.283.1199369077
  27      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/undotbs1.282.1199369077
  28      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/undo_2.285.1199369085

  Backup Set Copy #1 of backup set 340
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 340 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    340     1   AVAILABLE   +FRA/RACDB/339BC12E8011538DE0635A38A8C0C92A/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.460.1204123057

  Backup Set Copy #2 of backup set 340
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 340 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    347     1   AVAILABLE   /u02/RMAN_To_Disk/bv3satdh_383_1_2

BS Key  Type LV Size
------- ---- -- ----------
341     Full    812.46M
  List of Datafiles in backup set 341
  Container ID: 2, PDB Name: PDB$SEED
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  5       Full 9669002    26-NOV-24              NO    +DATA/RACDB/86B637B62FE07A65E053F706E80A27CA/DATAFILE/system.265.1164519659
  6       Full 9669002    26-NOV-24              NO    +DATA/RACDB/86B637B62FE07A65E053F706E80A27CA/DATAFILE/sysaux.266.1164519659
  8       Full 9669002    26-NOV-24              NO    +DATA/RACDB/86B637B62FE07A65E053F706E80A27CA/DATAFILE/undotbs1.267.1164519659

  Backup Set Copy #1 of backup set 341
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 341 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    341     1   AVAILABLE   +FRA/RACDB/14769E258FBB5FD8E0635A38A8C09D43/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.349.1204123103

  Backup Set Copy #2 of backup set 341
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 341 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    348     1   AVAILABLE   /u02/RMAN_To_Disk/c03sateu_384_1_2

BS Key  Size
------- ----------
342     674.00K

  List of Archived Logs in backup set 342
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
  1    403     11177493   18-JUN-25 11179239   18-JUN-25
  2    348     11177499   18-JUN-25 11179236   18-JUN-25

  Backup Set Copy #1 of backup set 342
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:00     18-JUN-25       YES        TAG20250618T143909

    List of Backup Pieces for backup set 342 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    342     1   AVAILABLE   +FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143909_0.492.1204123149

  Backup Set Copy #2 of backup set 342
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:00     18-JUN-25       YES        TAG20250618T143909

    List of Backup Pieces for backup set 342 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    349     1   AVAILABLE   /u02/RMAN_To_Disk/c13satgd_385_1_2

BS Key  Type LV Size
------- ---- -- ----------
343     Full    19.17M
  SPFILE Included: Modification time: 18-JUN-25
  SPFILE db_unique_name: RACDB
  Control File Included: Ckp SCN: 11179258     Ckp time: 18-JUN-25

  Backup Set Copy #1 of backup set 343
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:00     18-JUN-25       NO         TAG20250618T143910

    List of Backup Pieces for backup set 343 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    343     1   AVAILABLE   +FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151

  Backup Set Copy #2 of backup set 343
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:00     18-JUN-25       NO         TAG20250618T143910

    List of Backup Pieces for backup set 343 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    350     1   AVAILABLE   /u02/RMAN_To_Disk/c23satge_386_1_2

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
344     Full    19.17M     DISK        00:00:00     18-JUN-25
        BP Key: 351   Status: AVAILABLE  Compressed: NO  Tag: TAG20250618T145031
        Piece Name: +FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123831.443.1204123831
  SPFILE Included: Modification time: 18-JUN-25
  SPFILE db_unique_name: RACDB
  Control File Included: Ckp SCN: 11185112     Ckp time: 18-JUN-25


RMAN>

[oracle@srv2 ~]$ cd /u02/RMAN_To_Disk
[oracle@srv2 RMAN_To_Disk]$ ls -l
total 3656024
-rw-r-----. 1 oracle oinstall   60140032 Jun 18 14:50 bs3sat9u_380_1_2
-rw-r-----. 1 oracle oinstall 1146150912 Jun 18 14:50 bt3sata2_381_1_2
-rw-r-----. 1 oracle oinstall  812752896 Jun 18 14:50 bu3satc3_382_1_2
-rw-r-----. 1 oracle oinstall  851976192 Jun 18 14:50 bv3satdh_383_1_2
-rw-r-----. 1 oracle oinstall  851935232 Jun 18 14:50 c03sateu_384_1_2
-rw-r-----. 1 oracle oinstall     690688 Jun 18 14:50 c13satgd_385_1_2
-rw-r-----. 1 oracle oinstall   20119552 Jun 18 14:50 c23satge_386_1_2
[oracle@srv2 RMAN_To_Disk]$


Thus, RMAN on Server "srv2" sees 2 copies of each backupset (337 to 343) (while 344 is the new BackupsSet for the Controlfile + SPFILE Autobackp created on FRA)

However srv1 will not "see" the additional BackupSet Copies ("Copy  #2") created on FileSystem on srv2 -- although they will appear in the controlfile, a CROSSCHECK executed from srv1 will fail to find them.



[oracle@srv1 ~]$ rman target /

Recovery Manager: Release 19.0.0.0.0 - Production on Wed Jun 18 15:05:16 2025
Version 19.25.0.0.0

Copyright (c) 1982, 2019, Oracle and/or its affiliates.  All rights reserved.

connected to target database: RACDB (DBID=1162136313)

RMAN> list backup completed after "trunc(sysdate)";
list backup completed after "trunc(sysdate)";
using target database control file instead of recovery catalog

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


BS Key  Size
------- ----------
337     57.35M

  List of Archived Logs in backup set 337
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
 ...
 ...
 ...
  1    401     11161346   01-MAY-25 11165463   18-JUN-25
  1    402     11165463   18-JUN-25 11177493   18-JUN-25
...
...
...
  2    346     11161357   01-MAY-25 11161847   18-JUN-25
  2    347     11161847   18-JUN-25 11177499   18-JUN-25

  Backup Set Copy #1 of backup set 337
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:03     18-JUN-25       YES        TAG20250618T143542

    List of Backup Pieces for backup set 337 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    337     1   AVAILABLE   +FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143542_0.473.1204122943

  Backup Set Copy #2 of backup set 337
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:03     18-JUN-25       YES        TAG20250618T143542

    List of Backup Pieces for backup set 337 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    344     1   AVAILABLE   /u02/RMAN_To_Disk/bs3sat9u_380_1_2

BS Key  Type LV Size
------- ---- -- ----------
338     Full    1.07G
  List of Datafiles in backup set 338
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  1       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/system.257.1164519439
  3       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/sysaux.258.1164519463
  4       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/undotbs1.259.1164519479
  7       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/users.260.1164519479
  9       Full 11177541   18-JUN-25              NO    +DATA/RACDB/DATAFILE/undotbs2.269.1164519893

  Backup Set Copy #1 of backup set 338
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:57     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 338 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    338     1   AVAILABLE   +FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947

  Backup Set Copy #2 of backup set 338
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:57     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 338 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    345     1   AVAILABLE   /u02/RMAN_To_Disk/bt3sata2_381_1_2

BS Key  Type LV Size
------- ---- -- ----------
339     Full    775.09M
  List of Datafiles in backup set 339
  Container ID: 3, PDB Name: PDB1
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  10      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/system.274.1164520333
  11      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/sysaux.275.1164520333
  12      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/undotbs1.273.1164520333
  13      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/undo_2.277.1164520345
  14      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users.278.1164520353
  15      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users2.279.1167388913
  16      Full 11177736   18-JUN-25              NO    +DATA/RACDB/1476C653214704CFE0635A38A8C08494/DATAFILE/users3.280.1167388955

  Backup Set Copy #1 of backup set 339
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 339 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    339     1   AVAILABLE   +FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013

  Backup Set Copy #2 of backup set 339
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 339 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    346     1   AVAILABLE   /u02/RMAN_To_Disk/bu3satc3_382_1_2

BS Key  Type LV Size
------- ---- -- ----------
340     Full    812.50M
  List of Datafiles in backup set 340
  Container ID: 5, PDB Name: TSTPDB
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  25      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/system.281.1199369077
  26      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/sysaux.283.1199369077
  27      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/undotbs1.282.1199369077
  28      Full 11083998   25-APR-25              NO    +DATA/RACDB/339BC12E8011538DE0635A38A8C0C92A/DATAFILE/undo_2.285.1199369085

  Backup Set Copy #1 of backup set 340
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 340 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    340     1   AVAILABLE   +FRA/RACDB/339BC12E8011538DE0635A38A8C0C92A/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.460.1204123057

  Backup Set Copy #2 of backup set 340
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 340 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    347     1   AVAILABLE   /u02/RMAN_To_Disk/bv3satdh_383_1_2

BS Key  Type LV Size
------- ---- -- ----------
341     Full    812.46M
  List of Datafiles in backup set 341
  Container ID: 2, PDB Name: PDB$SEED
  File LV Type Ckp SCN    Ckp Time  Abs Fuz SCN Sparse Name
  ---- -- ---- ---------- --------- ----------- ------ ----
  5       Full 9669002    26-NOV-24              NO    +DATA/RACDB/86B637B62FE07A65E053F706E80A27CA/DATAFILE/system.265.1164519659
  6       Full 9669002    26-NOV-24              NO    +DATA/RACDB/86B637B62FE07A65E053F706E80A27CA/DATAFILE/sysaux.266.1164519659
  8       Full 9669002    26-NOV-24              NO    +DATA/RACDB/86B637B62FE07A65E053F706E80A27CA/DATAFILE/undotbs1.267.1164519659

  Backup Set Copy #1 of backup set 341
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 341 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    341     1   AVAILABLE   +FRA/RACDB/14769E258FBB5FD8E0635A38A8C09D43/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.349.1204123103

  Backup Set Copy #2 of backup set 341
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:42     18-JUN-25       YES        TAG20250618T143546

    List of Backup Pieces for backup set 341 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    348     1   AVAILABLE   /u02/RMAN_To_Disk/c03sateu_384_1_2

BS Key  Size
------- ----------
342     674.00K

  List of Archived Logs in backup set 342
  Thrd Seq     Low SCN    Low Time  Next SCN   Next Time
  ---- ------- ---------- --------- ---------- ---------
  1    403     11177493   18-JUN-25 11179239   18-JUN-25
  2    348     11177499   18-JUN-25 11179236   18-JUN-25

  Backup Set Copy #1 of backup set 342
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:00     18-JUN-25       YES        TAG20250618T143909

    List of Backup Pieces for backup set 342 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    342     1   AVAILABLE   +FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143909_0.492.1204123149

  Backup Set Copy #2 of backup set 342
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:00     18-JUN-25       YES        TAG20250618T143909

    List of Backup Pieces for backup set 342 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    349     1   AVAILABLE   /u02/RMAN_To_Disk/c13satgd_385_1_2

BS Key  Type LV Size
------- ---- -- ----------
343     Full    19.17M
  SPFILE Included: Modification time: 18-JUN-25
  SPFILE db_unique_name: RACDB
  Control File Included: Ckp SCN: 11179258     Ckp time: 18-JUN-25

  Backup Set Copy #1 of backup set 343
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:00     18-JUN-25       NO         TAG20250618T143910

    List of Backup Pieces for backup set 343 Copy #1
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    343     1   AVAILABLE   +FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151

  Backup Set Copy #2 of backup set 343
  Device Type Elapsed Time Completion Time Compressed Tag
  ----------- ------------ --------------- ---------- ---
  DISK        00:00:00     18-JUN-25       NO         TAG20250618T143910

    List of Backup Pieces for backup set 343 Copy #2
    BP Key  Pc# Status      Piece Name
    ------- --- ----------- ----------
    350     1   AVAILABLE   /u02/RMAN_To_Disk/c23satge_386_1_2

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
344     Full    19.17M     DISK        00:00:00     18-JUN-25
        BP Key: 351   Status: AVAILABLE  Compressed: NO  Tag: TAG20250618T145031
        Piece Name: +FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123831.443.1204123831
  SPFILE Included: Modification time: 18-JUN-25
  SPFILE db_unique_name: RACDB
  Control File Included: Ckp SCN: 11185112     Ckp time: 18-JUN-25


RMAN>
RMAN> crosscheck backup completed  after "trunc(sysdate)";
crosscheck backup completed  after "trunc(sysdate)";
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=245 instance=RACDB1 device type=DISK
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143542_0.473.1204122943 RECID=337 STAMP=1204122943
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u02/RMAN_To_Disk/bs3sat9u_380_1_2 RECID=344 STAMP=1204123823
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947 RECID=338 STAMP=1204122946
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u02/RMAN_To_Disk/bt3sata2_381_1_2 RECID=345 STAMP=1204123825
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013 RECID=339 STAMP=1204123012
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u02/RMAN_To_Disk/bu3satc3_382_1_2 RECID=346 STAMP=1204123826
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/339BC12E8011538DE0635A38A8C0C92A/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.460.1204123057 RECID=340 STAMP=1204123057
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u02/RMAN_To_Disk/bv3satdh_383_1_2 RECID=347 STAMP=1204123827
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/14769E258FBB5FD8E0635A38A8C09D43/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.349.1204123103 RECID=341 STAMP=1204123102
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u02/RMAN_To_Disk/c03sateu_384_1_2 RECID=348 STAMP=1204123828
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143909_0.492.1204123149 RECID=342 STAMP=1204123149
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u02/RMAN_To_Disk/c13satgd_385_1_2 RECID=349 STAMP=1204123829
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151 RECID=343 STAMP=1204123150
crosschecked backup piece: found to be 'EXPIRED'
backup piece handle=/u02/RMAN_To_Disk/c23satge_386_1_2 RECID=350 STAMP=1204123830
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123831.443.1204123831 RECID=351 STAMP=1204123831
Crosschecked 15 objects



RMAN>
RMAN> delete noprompt expired backup;
delete noprompt expired backup;
using channel ORA_DISK_1

List of Backup Pieces
BP Key  BS Key  Pc# Cp# Status      Device Type Piece Name
------- ------- --- --- ----------- ----------- ----------
344     337     1   2   EXPIRED     DISK        /u02/RMAN_To_Disk/bs3sat9u_380_1_2
345     338     1   2   EXPIRED     DISK        /u02/RMAN_To_Disk/bt3sata2_381_1_2
346     339     1   2   EXPIRED     DISK        /u02/RMAN_To_Disk/bu3satc3_382_1_2
347     340     1   2   EXPIRED     DISK        /u02/RMAN_To_Disk/bv3satdh_383_1_2
348     341     1   2   EXPIRED     DISK        /u02/RMAN_To_Disk/c03sateu_384_1_2
349     342     1   2   EXPIRED     DISK        /u02/RMAN_To_Disk/c13satgd_385_1_2
350     343     1   2   EXPIRED     DISK        /u02/RMAN_To_Disk/c23satge_386_1_2
deleted backup piece
backup piece handle=/u02/RMAN_To_Disk/bs3sat9u_380_1_2 RECID=344 STAMP=1204123823
deleted backup piece
backup piece handle=/u02/RMAN_To_Disk/bt3sata2_381_1_2 RECID=345 STAMP=1204123825
deleted backup piece
backup piece handle=/u02/RMAN_To_Disk/bu3satc3_382_1_2 RECID=346 STAMP=1204123826
deleted backup piece
backup piece handle=/u02/RMAN_To_Disk/bv3satdh_383_1_2 RECID=347 STAMP=1204123827
deleted backup piece
backup piece handle=/u02/RMAN_To_Disk/c03sateu_384_1_2 RECID=348 STAMP=1204123828
deleted backup piece
backup piece handle=/u02/RMAN_To_Disk/c13satgd_385_1_2 RECID=349 STAMP=1204123829
deleted backup piece
backup piece handle=/u02/RMAN_To_Disk/c23satge_386_1_2 RECID=350 STAMP=1204123830
Deleted 7 EXPIRED objects



RMAN>



RMAN's  LIST BACKUP command on srv1 does list the Copy #2 backups to filesystem /u02/RMAN_To_Disk that exist only on srv2.
However, the CROSSCHECK BACKUP  command marks them as "EXPIRED" as it cannot "see" (i.e find) the Backup Pieces on srv1.

I can "reCatalog" them from srv2.


[oracle@srv2 RMAN_To_Disk]$ pwd
/u02/RMAN_To_Disk
[oracle@srv2 RMAN_To_Disk]$ rman target /

Recovery Manager: Release 19.0.0.0.0 - Production on Wed Jun 18 15:12:33 2025
Version 19.25.0.0.0

Copyright (c) 1982, 2019, Oracle and/or its affiliates.  All rights reserved.

connected to target database: RACDB (DBID=1162136313)

RMAN> crosscheck backup completed after "trunc(sysdate)";
crosscheck backup completed after "trunc(sysdate)";
using channel ORA_DISK_1
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143542_0.473.1204122943 RECID=337 STAMP=1204122943
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947 RECID=338 STAMP=1204122946
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013 RECID=339 STAMP=1204123012
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/339BC12E8011538DE0635A38A8C0C92A/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.460.1204123057 RECID=340 STAMP=1204123057
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/14769E258FBB5FD8E0635A38A8C09D43/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.349.1204123103 RECID=341 STAMP=1204123102
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143909_0.492.1204123149 RECID=342 STAMP=1204123149
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151 RECID=343 STAMP=1204123150
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123831.443.1204123831 RECID=351 STAMP=1204123831
Crosschecked 8 objects



RMAN>

RMAN> catalog start with '/u02/RMAN_To_Disk';
catalog start with '/u02/RMAN_To_Disk';
searching for all files that match the pattern /u02/RMAN_To_Disk

List of Files Unknown to the Database
=====================================
File Name: /u02/RMAN_To_Disk/bs3sat9u_380_1_2
File Name: /u02/RMAN_To_Disk/bt3sata2_381_1_2
File Name: /u02/RMAN_To_Disk/bu3satc3_382_1_2
File Name: /u02/RMAN_To_Disk/bv3satdh_383_1_2
File Name: /u02/RMAN_To_Disk/c03sateu_384_1_2
File Name: /u02/RMAN_To_Disk/c13satgd_385_1_2
File Name: /u02/RMAN_To_Disk/c23satge_386_1_2

Do you really want to catalog the above files (enter YES or NO)? YES
cataloging files...
cataloging done

List of Cataloged Files
=======================
File Name: /u02/RMAN_To_Disk/bs3sat9u_380_1_2
File Name: /u02/RMAN_To_Disk/bt3sata2_381_1_2
File Name: /u02/RMAN_To_Disk/bu3satc3_382_1_2
File Name: /u02/RMAN_To_Disk/bv3satdh_383_1_2
File Name: /u02/RMAN_To_Disk/c03sateu_384_1_2
File Name: /u02/RMAN_To_Disk/c13satgd_385_1_2
File Name: /u02/RMAN_To_Disk/c23satge_386_1_2


RMAN>
RMAN> crosscheck backup completed after "trunc(sysdate)";
crosscheck backup completed after "trunc(sysdate)";
using channel ORA_DISK_1
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143542_0.473.1204122943 RECID=337 STAMP=1204122943
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/bs3sat9u_380_1_2 RECID=352 STAMP=1204125222
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.442.1204122947 RECID=338 STAMP=1204122946
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/bt3sata2_381_1_2 RECID=353 STAMP=1204125222
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/1476C653214704CFE0635A38A8C08494/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.453.1204123013 RECID=339 STAMP=1204123012
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/bu3satc3_382_1_2 RECID=354 STAMP=1204125222
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/339BC12E8011538DE0635A38A8C0C92A/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.460.1204123057 RECID=340 STAMP=1204123057
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/bv3satdh_383_1_2 RECID=355 STAMP=1204125222
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/14769E258FBB5FD8E0635A38A8C09D43/BACKUPSET/2025_06_18/nnndf0_tag20250618t143546_0.349.1204123103 RECID=341 STAMP=1204123102
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/c03sateu_384_1_2 RECID=356 STAMP=1204125222
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/BACKUPSET/2025_06_18/annnf0_tag20250618t143909_0.492.1204123149 RECID=342 STAMP=1204123149
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/c13satgd_385_1_2 RECID=357 STAMP=1204125222
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123150.388.1204123151 RECID=343 STAMP=1204123150
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=/u02/RMAN_To_Disk/c23satge_386_1_2 RECID=358 STAMP=1204125222
crosschecked backup piece: found to be 'AVAILABLE'
backup piece handle=+FRA/RACDB/AUTOBACKUP/2025_06_18/s_1204123831.443.1204123831 RECID=351 STAMP=1204123831
Crosschecked 15 objects



RMAN>


Thus even though I executed a "DELETE" from srv1, I can re-Catalog them because the BackupPieces of these Copy #2 Backups still exist on filesystem /u02/RMAN_To_Disk on srv2.


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