RE: duplicate pdb from backup

From: Noveljic Nenad <nenad.noveljic_at_vontobel.com>
Date: Thu, 24 Dec 2020 08:55:15 +0000
Message-ID: <32706_1608800133_5FE45785_32706_7318_1_85de7be12c6a442c8f604476ce60d0f7_at_vontobel.com>



Thank you for both of your inputs. They’ve been very helpful.

Best regards,

Nenad

From: Shane Borden <sborden76_at_yahoo.com> Sent: Mittwoch, 23. Dezember 2020 19:18 To: Noveljic Nenad <nenad.noveljic_at_vontobel.com> Cc: ORACLE-L (oracle-l_at_freelists.org) <oracle-l_at_freelists.org> Subject: Re: duplicate pdb from backup

You have to restore it to an auxiliary CDB and then unplug - plug into final destination to do what you describe. ---

Thanks,

Shane Borden
sborden76_at_yahoo.com<mailto:sborden76_at_yahoo.com> 407-963-4883

On Dec 23, 2020, at 1:04 PM, Noveljic Nenad <nenad.noveljic_at_vontobel.com<mailto:nenad.noveljic_at_vontobel.com>> wrote:

That works - apart that it wipes out the whole destination CDB. It’s a strange behavior for the feature that was marketed as a consolidation panacea. Also, there doesn’t seem to be a way to specify a new name for the cloned PDB. In contrast, duplicate from active leaves the CDB and all other PDBs intact. It’s difficult for me to understand the reason for the completely different behavior in both use cases. No such problems in MS SQL Server, by the way.

Thanks,

Nenad

From: Shane Borden <sborden76_at_yahoo.com<mailto:sborden76_at_yahoo.com>> Sent: Dienstag, 17. November 2020 20:36 To: Noveljic Nenad <nenad.noveljic_at_vontobel.com<mailto:nenad.noveljic_at_vontobel.com>> Cc: ORACLE-L (oracle-l_at_freelists.org<mailto:oracle-l_at_freelists.org>) <oracle-l_at_freelists.org<mailto:oracle-l_at_freelists.org>> Subject: Re: duplicate pdb from backup

To my knowledge you have to have a catalog to make SBT_TAPE work. Its been a while, but I think I tested something like this and it worked:

export NLS_DATE_FORMAT='DD-MON-YY HH24:MI:SS'

rman auxiliary / catalog [connection details] log=[logfile] cmdfile=[script file] append

RMAN> startup clone nomount pfile='[pfile location]'

RMAN> set decryption identified by "[decryption password if used]"; RMAN> RUN {
set newname for database to '+DATAC1';
set newname for tempfile 2 to new;
set newname for tempfile 3 to new;
.....
set newname for tempfile 19 to new;

allocate auxiliary channel t1 type SBT_TAPE parms 'SBT_LIBRARY=[sbt library params]';
allocate auxiliary channel t2 type SBT_TAPE parms 'SBT_LIBRARY=[sbt library params]';
allocate auxiliary channel t3 type SBT_TAPE parms 'SBT_LIBRARY=[sbt library params]';
allocate auxiliary channel t4 type SBT_TAPE parms 'SBT_LIBRARY=[sbt library params]';
DUPLICATE DATABASE [source db name] dbid [dbid]] TO [target db name] pluggable database [pluggable name], root   UNTIL TIME "TO_DATE('2016-11-15 10:07:00', 'YYYY-MM-DD HH24:MI:SS')"   PFILE [pfile location]
  ;
}

---

Thanks,

Shane Borden
sborden76_at_yahoo.com<mailto:sborden76_at_yahoo.com>

On Nov 17, 2020, at 2:24 PM, Noveljic Nenad <nenad.noveljic_at_vontobel.com<mailto:nenad.noveljic_at_vontobel.com>> wrote:

Thank you, Shane.

Do you know how to make it work an “sbt_tape” channel and “until” clause and without “], root backup location”. ?

Best regards,

Nenad

From: Shane Borden <sborden76_at_yahoo.com<mailto:sborden76_at_yahoo.com>> Sent: Dienstag, 17. November 2020 18:52 To: Noveljic Nenad <nenad.noveljic_at_vontobel.com<mailto:nenad.noveljic_at_vontobel.com>> Cc: ORACLE-L (oracle-l_at_freelists.org<mailto:oracle-l_at_freelists.org>) <oracle-l_at_freelists.org<mailto:oracle-l_at_freelists.org>> Subject: Re: duplicate pdb from backup

Currently the only way I am aware of to do this, is to restore a single PDB to an auxiliary database and then plug / unplug to another destination.

Here is some sample syntax that will work for your backup:

export NLS_DATE_FORMAT='DD-MON-YY HH24:MI:SS' rman target /
run {

    allocate channel dupe1 device type disk format '[backup location]/%d_bs%s_piece%p_%T_%U.bkp' maxopenfiles=2;
    allocate channel dupe2 device type disk format '[backup location]/%d_bs%s_piece%p_%T_%U.bkp' maxopenfiles=2;
    allocate channel dupe3 device type disk format '[backup location]/%d_bs%s_piece%p_%T_%U.bkp' maxopenfiles=2;
    allocate channel dupe4 device type disk format '[backup location]/%d_bs%s_piece%p_%T_%U.bkp' maxopenfiles=2;
    allocate channel dupe5 device type disk format '[backup location]/%d_bs%s_piece%p_%T_%U.bkp' maxopenfiles=2;
    allocate channel dupe6 device type disk format '[backup location]/%d_bs%s_piece%p_%T_%U.bkp' maxopenfiles=2;
    backup as compressed backupset filesperset 4 keep until time 'sysdate+1'     tag ‘pdb_bkup' (database ROOT) (pluggable database 'pdb$seed','[pluggable name]'); }

For the restore (you can use existing full backup if you have it.:

export NLS_DATE_FORMAT='DD-MON-YY HH24:MI:SS' rman auxiliary / | tee /db_share/rman_migration/[container name]/rman_auxiliary/restore_auxiliary.log startup clone nomount pfile='/db_share/rman_migration/[container name]/rman_auxiliary/auxcdb_pfile.ora'; set decryption identified by '[tde password if necessary]'; run {

    allocate auxiliary channel dupe1 type disk;
    allocate auxiliary channel dupe2 type disk;
    allocate auxiliary channel dupe3 type disk;
    allocate auxiliary channel dupe4 type disk;
    allocate auxiliary channel dupe5 type disk;
    allocate auxiliary channel dupe6 type disk;
    duplicate database to auxcdb
    pluggable database [pluggable name], root backup location '/db_share/rman_migration/[container name]/rman_source'     PFILE /db_share/rman_migration/[container name]/rman_auxiliary/auxcdb_pfile.ora; }

---

Thanks,

Shane Borden
sborden76_at_yahoo.com<mailto:sborden76_at_yahoo.com> 407-963-4883



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Received on Thu Dec 24 2020 - 09:55:15 CET

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