{"id":9703,"date":"2017-01-24T08:11:22","date_gmt":"2017-01-24T07:11:22","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/oracle-12cr2-dataguard-and-backups-to-nfs\/"},"modified":"2017-01-24T08:11:22","modified_gmt":"2017-01-24T07:11:22","slug":"oracle-12cr2-dataguard-and-backups-to-nfs","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/oracle-12cr2-dataguard-and-backups-to-nfs\/","title":{"rendered":"Oracle 12cR2 &#8211; DataGuard and Backups to NFS"},"content":{"rendered":"<h2>By William Sescu<\/h2>\n<p>From the RMAN point of view, you have generally two possibilities to store your backups, on Disk or on Tape. In case of a single instance, it doesn&#8217;t really matter from the accessible or inaccessible point of view. However, in a DataGuard environment it makes a huge difference.<\/p>\n<p>Per default, backups to Tape are always accessible and backups to disk always inaccessible. But what do you do in case you backup to NFS, and you want the backups to be usable on Primary and Standby?<\/p>\n<p>Ok. Let&#8217;s to a quick demo.<\/p>\n<p>Before we start, make sure that the oracle Unix user has the same unique id, and group id. If not, you end up with a big mess.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">oracle@dbidg01:\/home\/oracle\/ [DBIT122] id -a\nuid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall),54322(dba),54323(sysbkp),54324(sysdg),54325(syskm),54326(oper)<\/pre>\n<p>The next import thing with NFS are the mount options. Oracle has documented it quite well which mount options are needed if you put Binaries, Datafiles or CRS Voting Disk and OCR on it.<\/p>\n<p>Mount Options for Oracle files for RAC databases and Clusterware when used with NFS on NAS devices (Doc ID 359515.1)<\/p>\n<p>For Linux x86-64bit it would be the following options for Datafiles<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">rw,bg,hard,nointr,rsize=32768,wsize=32768,tcp,actimeo=0,vers=3,timeo=600<\/pre>\n<p>However, if your NFS mount is needed only for RMAN backup pieces, the actimeo=0 is not recommended. The actimeo=0 disables all NFS attribute caching, like acregmin, acregmax, acdirmin and acdirmax. And disabling attribute caching is suboptimal for RMAN backups. See also the following MOS note:<\/p>\n<p>NFS options for 11.2.0.2 RMAN disk backups on Linux 64-bit (Doc ID 1117597.1)<\/p>\n<p>I am using for that example NFS 4.1 and these are the mount options I use.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">[root@dbidg01 etc]# mount | grep nfs4\ndbidg03:\/u99 on \/u99 type nfs4 (rw,relatime,vers=4.1,rsize=32768,wsize=32768,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=192.168.56.201,local_lock=none,addr=192.168.56.203)<\/pre>\n<p>Last but not least, the Primary database has to be registered with the RMAN catalog. This is a very important point when working with RMAN in a DataGuard environment.<\/p>\n<p>Ok. Let&#8217;s do the first backup on the Primary.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">-- Primary\n\noracle@dbidg01:\/home\/oracle\/ [DBIT122] rman target \/ catalog rman\/rman@pdb1\n\nRecovery Manager: Release 12.2.0.1.0 - Production on Tue Jan 24 08:09:16 2017\n\nCopyright (c) 1982, 2016, Oracle and\/or its affiliates.  All rights reserved.\n\nconnected to target database: DBIT122 (DBID=653953745)\nconnected to recovery catalog database\n\n\nRMAN&gt; list backup summary;\n\nspecification does not match any backup in the repository\n\nRMAN&gt; backup database plus archivelog tag 'DBI_BACKUP_ON_PRIMARY' format '\/u99\/backup\/DBIT122\/%U';\n\n\nStarting backup at 24-JAN-2017 08:09:45\ncurrent log archived\nallocated channel: ORA_DISK_1\nchannel ORA_DISK_1: SID=31 device type=DISK\nallocated channel: ORA_DISK_2\nchannel ORA_DISK_2: SID=36 device type=DISK\nchannel ORA_DISK_1: starting archived log backup set\nchannel ORA_DISK_1: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=68 RECID=386 STAMP=934081238\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:09:46\nchannel ORA_DISK_2: starting archived log backup set\nchannel ORA_DISK_2: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=69 RECID=388 STAMP=934099691\ninput archived log thread=1 sequence=70 RECID=390 STAMP=934099729\ninput archived log thread=1 sequence=71 RECID=392 STAMP=934099785\nchannel ORA_DISK_2: starting piece 1 at 24-JAN-2017 08:09:46\nchannel ORA_DISK_2: finished piece 1 at 24-JAN-2017 08:09:47\npiece handle=\/u99\/backup\/DBIT122\/2vrqqeqa_1_1 tag=DBI_BACKUP_ON_PRIMARY comment=NONE\nchannel ORA_DISK_2: backup set complete, elapsed time: 00:00:01\nchannel ORA_DISK_2: starting archived log backup set\nchannel ORA_DISK_2: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=64 RECID=378 STAMP=934044533\ninput archived log thread=1 sequence=65 RECID=380 STAMP=934044555\ninput archived log thread=1 sequence=66 RECID=382 STAMP=934045153\ninput archived log thread=1 sequence=67 RECID=384 STAMP=934045183\nchannel ORA_DISK_2: starting piece 1 at 24-JAN-2017 08:09:47\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:09:48\npiece handle=\/u99\/backup\/DBIT122\/2urqqeqa_1_1 tag=DBI_BACKUP_ON_PRIMARY comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:02\nchannel ORA_DISK_2: finished piece 1 at 24-JAN-2017 08:09:48\npiece handle=\/u99\/backup\/DBIT122\/30rqqeqb_1_1 tag=DBI_BACKUP_ON_PRIMARY comment=NONE\nchannel ORA_DISK_2: backup set complete, elapsed time: 00:00:01\nFinished backup at 24-JAN-2017 08:09:48\n\nStarting backup at 24-JAN-2017 08:09:48\nusing channel ORA_DISK_1\nusing channel ORA_DISK_2\nchannel ORA_DISK_1: starting full datafile backup set\nchannel ORA_DISK_1: specifying datafile(s) in backup set\ninput datafile file number=00001 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_system_d4fnthn8_.dbf\ninput datafile file number=00007 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_users_d4fnx3bd_.dbf\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:09:49\nchannel ORA_DISK_2: starting full datafile backup set\nchannel ORA_DISK_2: specifying datafile(s) in backup set\ninput datafile file number=00003 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_sysaux_d4fnvx0w_.dbf\ninput datafile file number=00004 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_undotbs1_d4fnx03r_.dbf\ninput datafile file number=00002 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_dbv_d7klp09z_.dbf\nchannel ORA_DISK_2: starting piece 1 at 24-JAN-2017 08:09:49\nchannel ORA_DISK_2: finished piece 1 at 24-JAN-2017 08:09:52\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE1\/backupset\/2017_01_24\/o1_mf_nnndf_TAG20170124T080948_d8fzfxqx_.bkp tag=TAG20170124T080948 comment=NONE\nchannel ORA_DISK_2: backup set complete, elapsed time: 00:00:03\nchannel ORA_DISK_2: starting full datafile backup set\nchannel ORA_DISK_2: specifying datafile(s) in backup set\nincluding current control file in backup set\nchannel ORA_DISK_2: starting piece 1 at 24-JAN-2017 08:09:53\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:09:54\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE1\/backupset\/2017_01_24\/o1_mf_nnndf_TAG20170124T080948_d8fzfxps_.bkp tag=TAG20170124T080948 comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:05\nchannel ORA_DISK_1: starting full datafile backup set\nchannel ORA_DISK_1: specifying datafile(s) in backup set\nincluding current SPFILE in backup set\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:09:54\nchannel ORA_DISK_2: finished piece 1 at 24-JAN-2017 08:09:54\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE1\/backupset\/2017_01_24\/o1_mf_ncnnf_TAG20170124T080948_d8fzg1yp_.bkp tag=TAG20170124T080948 comment=NONE\nchannel ORA_DISK_2: backup set complete, elapsed time: 00:00:01\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:09:55\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE1\/backupset\/2017_01_24\/o1_mf_nnsnf_TAG20170124T080948_d8fzg2yn_.bkp tag=TAG20170124T080948 comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:01\nFinished backup at 24-JAN-2017 08:09:55\n\nStarting backup at 24-JAN-2017 08:09:56\ncurrent log archived\nusing channel ORA_DISK_1\nusing channel ORA_DISK_2\nchannel ORA_DISK_1: starting archived log backup set\nchannel ORA_DISK_1: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=72 RECID=394 STAMP=934099796\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:09:56\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:09:57\npiece handle=\/u99\/backup\/DBIT122\/35rqqeqk_1_1 tag=DBI_BACKUP_ON_PRIMARY comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:01\nFinished backup at 24-JAN-2017 08:09:57\n\nRMAN&gt;\n\nRMAN&gt; list backup summary completed after 'sysdate -1';\n\n\nList of Backups\n===============\nKey     TY LV S Device Type Completion Time      #Pieces #Copies Compressed Tag\n------- -- -- - ----------- -------------------- ------- ------- ---------- ---\n1981    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1982    B  A  A DISK        24-JAN-2017 08:09:48 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1983    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n2003    B  F  A DISK        24-JAN-2017 08:09:51 1       1       NO         TAG20170124T080948\n2004    B  F  A DISK        24-JAN-2017 08:09:53 1       1       NO         TAG20170124T080948\n2005    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2006    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2025    B  A  A DISK        24-JAN-2017 08:09:56 1       1       NO         DBI_BACKUP_ON_PRIMARY<\/pre>\n<p>&nbsp;<\/p>\n<p>Ok. So what does my Standby know about this backup, which I have done on the Primary.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">oracle@dbidg02:\/u99\/backup\/DBIT122\/ [DBIT122] rman target \/ catalog rman\/rman@pdb1\n\nRecovery Manager: Release 12.2.0.1.0 - Production on Tue Jan 24 08:11:12 2017\n\nCopyright (c) 1982, 2016, Oracle and\/or its affiliates.  All rights reserved.\n\nconnected to target database: DBIT122 (DBID=653953745)\nconnected to recovery catalog database\n\nRMAN&gt; list backup summary completed after 'sysdate -1';\n\nspecification does not match any backup in the repository\n\nRMAN&gt;<\/pre>\n<p>&nbsp;<\/p>\n<p>Nothing &#8230;<\/p>\n<p>Ok. Let&#8217;s do now a backup on the Standby to NFS and check if it is visible on the Primary.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">RMAN&gt; backup database plus archivelog tag 'DBI_BACKUP_ON_STANDBY' format '\/u99\/backup\/DBIT122\/%U';\n\n\nStarting backup at 24-JAN-2017 08:11:49\nRMAN-06820: warning: failed to archive current log at primary database\ncannot connect to remote database\nallocated channel: ORA_DISK_1\nchannel ORA_DISK_1: SID=271 device type=DISK\nallocated channel: ORA_DISK_2\nchannel ORA_DISK_2: SID=41 device type=DISK\nchannel ORA_DISK_1: starting archived log backup set\nchannel ORA_DISK_1: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=64 RECID=291 STAMP=934044533\ninput archived log thread=1 sequence=65 RECID=292 STAMP=934044555\ninput archived log thread=1 sequence=66 RECID=293 STAMP=934045153\ninput archived log thread=1 sequence=67 RECID=294 STAMP=934045183\ninput archived log thread=1 sequence=68 RECID=295 STAMP=934081238\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:11:50\nchannel ORA_DISK_2: starting archived log backup set\nchannel ORA_DISK_2: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=69 RECID=296 STAMP=934099691\ninput archived log thread=1 sequence=70 RECID=297 STAMP=934099729\ninput archived log thread=1 sequence=71 RECID=298 STAMP=934099785\ninput archived log thread=1 sequence=72 RECID=299 STAMP=934099796\nchannel ORA_DISK_2: starting piece 1 at 24-JAN-2017 08:11:50\nchannel ORA_DISK_2: finished piece 1 at 24-JAN-2017 08:11:51\npiece handle=\/u99\/backup\/DBIT122\/49rqqeu6_1_1 tag=DBI_BACKUP_ON_STANDBY comment=NONE\nchannel ORA_DISK_2: backup set complete, elapsed time: 00:00:01\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:11:53\npiece handle=\/u99\/backup\/DBIT122\/48rqqeu6_1_1 tag=DBI_BACKUP_ON_STANDBY comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:03\nFinished backup at 24-JAN-2017 08:11:53\n\nStarting backup at 24-JAN-2017 08:11:53\nusing channel ORA_DISK_1\nusing channel ORA_DISK_2\nchannel ORA_DISK_1: starting full datafile backup set\nchannel ORA_DISK_1: specifying datafile(s) in backup set\ninput datafile file number=00001 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_system_d4zc9yd3_.dbf\ninput datafile file number=00007 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_users_d4zccmnt_.dbf\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:11:54\nchannel ORA_DISK_2: starting full datafile backup set\nchannel ORA_DISK_2: specifying datafile(s) in backup set\ninput datafile file number=00003 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_sysaux_d4zcbr8r_.dbf\ninput datafile file number=00004 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_undotbs1_d4zccjnc_.dbf\ninput datafile file number=00002 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_dbv_d7klp0gg_.dbf\nchannel ORA_DISK_2: starting piece 1 at 24-JAN-2017 08:11:54\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:12:09\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE2\/backupset\/2017_01_24\/o1_mf_nnndf_TAG20170124T081153_d8fzktfn_.bkp tag=TAG20170124T081153 comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:15\nchannel ORA_DISK_1: starting full datafile backup set\nchannel ORA_DISK_1: specifying datafile(s) in backup set\nchannel ORA_DISK_2: finished piece 1 at 24-JAN-2017 08:12:09\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE2\/backupset\/2017_01_24\/o1_mf_nnndf_TAG20170124T081153_d8fzktg7_.bkp tag=TAG20170124T081153 comment=NONE\nchannel ORA_DISK_2: backup set complete, elapsed time: 00:00:15\nchannel ORA_DISK_2: starting full datafile backup set\nchannel ORA_DISK_2: specifying datafile(s) in backup set\nincluding current SPFILE in backup set\nchannel ORA_DISK_2: starting piece 1 at 24-JAN-2017 08:12:09\nincluding current control file in backup set\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:12:10\nchannel ORA_DISK_2: finished piece 1 at 24-JAN-2017 08:12:10\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE2\/backupset\/2017_01_24\/o1_mf_nnsnf_TAG20170124T081153_d8fzl9p7_.bkp tag=TAG20170124T081153 comment=NONE\nchannel ORA_DISK_2: backup set complete, elapsed time: 00:00:01\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:12:11\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE2\/backupset\/2017_01_24\/o1_mf_ncnnf_TAG20170124T081153_d8fzlbqg_.bkp tag=TAG20170124T081153 comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:01\nFinished backup at 24-JAN-2017 08:12:11\n\nStarting backup at 24-JAN-2017 08:12:11\nRMAN-06820: warning: failed to archive current log at primary database\ncannot connect to remote database\nusing channel ORA_DISK_1\nusing channel ORA_DISK_2\nspecification does not match any archived log in the repository\nbackup cancelled because there are no files to backup\nFinished backup at 24-JAN-2017 08:12:12\n\nRMAN&gt;\n\nRMAN&gt; list backup summary completed after 'sysdate -1';\n\n\nList of Backups\n===============\nKey     TY LV S Device Type Completion Time      #Pieces #Copies Compressed Tag\n------- -- -- - ----------- -------------------- ------- ------- ---------- ---\n2065    B  A  A DISK        24-JAN-2017 08:11:50 1       1       NO         DBI_BACKUP_ON_STANDBY\n2066    B  A  A DISK        24-JAN-2017 08:11:50 1       1       NO         DBI_BACKUP_ON_STANDBY\n2084    B  F  A DISK        24-JAN-2017 08:12:01 1       1       NO         TAG20170124T081153\n2085    B  F  A DISK        24-JAN-2017 08:12:02 1       1       NO         TAG20170124T081153\n2086    B  F  A DISK        24-JAN-2017 08:12:09 1       1       NO         TAG20170124T081153\n2087    B  F  A DISK        24-JAN-2017 08:12:10 1       1       NO         TAG20170124T081153<\/pre>\n<p>&nbsp;<\/p>\n<p>Now let&#8217;s check the Primary.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">-- Primary\n\nRMAN&gt; list backup summary completed after 'sysdate -1';\n\n\nList of Backups\n===============\nKey     TY LV S Device Type Completion Time      #Pieces #Copies Compressed Tag\n------- -- -- - ----------- -------------------- ------- ------- ---------- ---\n1981    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1982    B  A  A DISK        24-JAN-2017 08:09:48 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1983    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n2003    B  F  A DISK        24-JAN-2017 08:09:51 1       1       NO         TAG20170124T080948\n2004    B  F  A DISK        24-JAN-2017 08:09:53 1       1       NO         TAG20170124T080948\n2005    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2006    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2025    B  A  A DISK        24-JAN-2017 08:09:56 1       1       NO         DBI_BACKUP_ON_PRIMARY<\/pre>\n<p>&nbsp;<\/p>\n<p>No &#8230; nothing there from the Standby. Only the backups done on the Primary are visible.<\/p>\n<p>Before we continue, let&#8217;s take a look at the following warning message that appeared on the standby database:<\/p>\n<p>RMAN-06820: warning: failed to archive current log at primary database<\/p>\n<p>In a DataGuard environment, it is not a good practise to logon to the standby with &#8220;rman target \/&#8221;. You should use the<br \/>\nusername\/password@connectstring instead, or Wallets, if configured. To have a good backup on the Standby, Oracle first attempts to archive the current online redo log, and before the backup ends, it does another one. That&#8217;s why you see the RMAN-06820 twice. In case you are doing backups on the standby, always use &#8220;username\/password@connectstring&#8221; or Wallets.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">oracle@dbidg02:\/u99\/backup\/DBIT122\/ [DBIT122] rman target sys\/Manager1@DBIT122_SITE2 catalog rman\/rman@PDB1\n\nRecovery Manager: Release 12.2.0.1.0 - Production on Tue Jan 24 08:15:47 2017\n\nCopyright (c) 1982, 2016, Oracle and\/or its affiliates.  All rights reserved.\n\nconnected to target database: DBIT122 (DBID=653953745)\nconnected to recovery catalog database\n\nRMAN&gt; backup database plus archivelog tag 'DBI_BACKUP_ON_STANDBY' format '\/u99\/backup\/DBIT122\/%U';\n\n\nStarting backup at 24-JAN-2017 08:16:09\ncurrent log archived at primary database\nallocated channel: ORA_DISK_1\nchannel ORA_DISK_1: SID=271 device type=DISK\nallocated channel: ORA_DISK_2\nchannel ORA_DISK_2: SID=16 device type=DISK\nskipping archived logs of thread 1 from sequence 64 to 72; already backed up\nchannel ORA_DISK_1: starting archived log backup set\nchannel ORA_DISK_1: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=73 RECID=300 STAMP=934100169\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:16:11\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:16:12\npiece handle=\/u99\/backup\/DBIT122\/4erqqf6b_1_1 tag=DBI_BACKUP_ON_STANDBY comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:01\nFinished backup at 24-JAN-2017 08:16:12\n\nStarting backup at 24-JAN-2017 08:16:12\nusing channel ORA_DISK_1\nusing channel ORA_DISK_2\nchannel ORA_DISK_1: starting full datafile backup set\nchannel ORA_DISK_1: specifying datafile(s) in backup set\ninput datafile file number=00001 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_system_d4zc9yd3_.dbf\ninput datafile file number=00007 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_users_d4zccmnt_.dbf\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:16:13\nchannel ORA_DISK_2: starting full datafile backup set\nchannel ORA_DISK_2: specifying datafile(s) in backup set\ninput datafile file number=00003 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_sysaux_d4zcbr8r_.dbf\ninput datafile file number=00004 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_undotbs1_d4zccjnc_.dbf\ninput datafile file number=00002 name=\/u02\/oradata\/DBIT122_SITE2\/datafile\/o1_mf_dbv_d7klp0gg_.dbf\nchannel ORA_DISK_2: starting piece 1 at 24-JAN-2017 08:16:13\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:16:28\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE2\/backupset\/2017_01_24\/o1_mf_nnndf_TAG20170124T081612_d8fzsx8o_.bkp tag=TAG20170124T081612 comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:15\nchannel ORA_DISK_1: starting full datafile backup set\nchannel ORA_DISK_1: specifying datafile(s) in backup set\nchannel ORA_DISK_2: finished piece 1 at 24-JAN-2017 08:16:28\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE2\/backupset\/2017_01_24\/o1_mf_nnndf_TAG20170124T081612_d8fzsx94_.bkp tag=TAG20170124T081612 comment=NONE\nchannel ORA_DISK_2: backup set complete, elapsed time: 00:00:15\nchannel ORA_DISK_2: starting full datafile backup set\nchannel ORA_DISK_2: specifying datafile(s) in backup set\nincluding current SPFILE in backup set\nchannel ORA_DISK_2: starting piece 1 at 24-JAN-2017 08:16:28\nincluding current control file in backup set\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:16:28\nchannel ORA_DISK_2: finished piece 1 at 24-JAN-2017 08:16:28\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE2\/backupset\/2017_01_24\/o1_mf_nnsnf_TAG20170124T081612_d8fztdkp_.bkp tag=TAG20170124T081612 comment=NONE\nchannel ORA_DISK_2: backup set complete, elapsed time: 00:00:00\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:16:29\npiece handle=\/u03\/fast_recovery_area\/DBIT122_SITE2\/backupset\/2017_01_24\/o1_mf_ncnnf_TAG20170124T081612_d8fztdl7_.bkp tag=TAG20170124T081612 comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:01\nFinished backup at 24-JAN-2017 08:16:29\n\nStarting backup at 24-JAN-2017 08:16:29\ncurrent log archived at primary database\nusing channel ORA_DISK_1\nusing channel ORA_DISK_2\nchannel ORA_DISK_1: starting archived log backup set\nchannel ORA_DISK_1: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=74 RECID=301 STAMP=934100189\nchannel ORA_DISK_1: starting piece 1 at 24-JAN-2017 08:16:31\nchannel ORA_DISK_1: finished piece 1 at 24-JAN-2017 08:16:32\npiece handle=\/u99\/backup\/DBIT122\/4jrqqf6v_1_1 tag=DBI_BACKUP_ON_STANDBY comment=NONE\nchannel ORA_DISK_1: backup set complete, elapsed time: 00:00:01\nFinished backup at 24-JAN-2017 08:16:32\n\nRMAN&gt;\n\n\n-- A message like the following popps up in the alert.log of the Primary, when Backup was done correctly.\n\nALTER SYSTEM ARCHIVE LOG\n2017-01-24T08:16:09.244238+01:00\nLGWR: Standby redo logfile selected to archive thread 1 sequence 74\nLGWR: Standby redo logfile selected for thread 1 sequence 74 for destination LOG_ARCHIVE_DEST_2\n2017-01-24T08:16:09.264207+01:00\nThread 1 advanced to log sequence 74 (LGWR switch)\n  Current log# 2 seq# 74 mem# 0: \/u02\/oradata\/DBIT122_SITE1\/onlinelog\/o1_mf_2_d4fotcnx_.log\n  Current log# 2 seq# 74 mem# 1: \/u03\/fast_recovery_area\/DBIT122_SITE1\/onlinelog\/o1_mf_2_d4fotkvy_.log\n2017-01-24T08:16:09.268607+01:00\nArchived Log entry 396 added for T-1.S-73 ID 0x27387e4f LAD:1\n2017-01-24T08:16:29.636421+01:00\nALTER SYSTEM ARCHIVE LOG\n2017-01-24T08:16:29.656594+01:00\nLGWR: Standby redo logfile selected to archive thread 1 sequence 75\nLGWR: Standby redo logfile selected for thread 1 sequence 75 for destination LOG_ARCHIVE_DEST_2\n2017-01-24T08:16:29.665882+01:00\nThread 1 advanced to log sequence 75 (LGWR switch)<\/pre>\n<p>&nbsp;<\/p>\n<p>Nevertheless, we still can&#8217;t see the backups on Primary which were done on Standby. Now the accessible flag comes into play. If executed on Primary, you can see now the backups which were done on the Standby.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">-- Primary\n\nRMAN&gt; set backup files for device type disk to accessible;\n\nexecuting command: SET backup\n\nRMAN&gt; list backup summary completed after 'sysdate -1';\n\n\nList of Backups\n===============\nKey     TY LV S Device Type Completion Time      #Pieces #Copies Compressed Tag\n------- -- -- - ----------- -------------------- ------- ------- ---------- ---\n1981    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1982    B  A  A DISK        24-JAN-2017 08:09:48 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1983    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n2003    B  F  A DISK        24-JAN-2017 08:09:51 1       1       NO         TAG20170124T080948\n2004    B  F  A DISK        24-JAN-2017 08:09:53 1       1       NO         TAG20170124T080948\n2005    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2006    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2025    B  A  A DISK        24-JAN-2017 08:09:56 1       1       NO         DBI_BACKUP_ON_PRIMARY\n2065    B  A  A DISK        24-JAN-2017 08:11:50 1       1       NO         DBI_BACKUP_ON_STANDBY\n2066    B  A  A DISK        24-JAN-2017 08:11:50 1       1       NO         DBI_BACKUP_ON_STANDBY\n2084    B  F  A DISK        24-JAN-2017 08:12:01 1       1       NO         TAG20170124T081153\n2085    B  F  A DISK        24-JAN-2017 08:12:02 1       1       NO         TAG20170124T081153\n2086    B  F  A DISK        24-JAN-2017 08:12:09 1       1       NO         TAG20170124T081153\n2087    B  F  A DISK        24-JAN-2017 08:12:10 1       1       NO         TAG20170124T081153\n2137    B  A  A DISK        24-JAN-2017 08:16:11 1       1       NO         DBI_BACKUP_ON_STANDBY\n2148    B  F  A DISK        24-JAN-2017 08:16:17 1       1       NO         TAG20170124T081612\n2149    B  F  A DISK        24-JAN-2017 08:16:21 1       1       NO         TAG20170124T081612\n2150    B  F  A DISK        24-JAN-2017 08:16:28 1       1       NO         TAG20170124T081612\n2151    B  F  A DISK        24-JAN-2017 08:16:28 1       1       NO         TAG20170124T081612\n2169    B  A  A DISK        24-JAN-2017 08:16:31 1       1       NO         DBI_BACKUP_ON_STANDBY\n\nRMAN&gt;<\/pre>\n<p>&nbsp;<\/p>\n<p>If executed on Standby, you can see now the backups which were done on the Primary.<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">-- Standby\n\nRMAN&gt; set backup files for device type disk to accessible;\n\nexecuting command: SET backup\n\nRMAN&gt; list backup summary completed after 'sysdate -1';\n\n\nList of Backups\n===============\nKey     TY LV S Device Type Completion Time      #Pieces #Copies Compressed Tag\n------- -- -- - ----------- -------------------- ------- ------- ---------- ---\n1981    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1982    B  A  A DISK        24-JAN-2017 08:09:48 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1983    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n2003    B  F  A DISK        24-JAN-2017 08:09:51 1       1       NO         TAG20170124T080948\n2004    B  F  A DISK        24-JAN-2017 08:09:53 1       1       NO         TAG20170124T080948\n2005    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2006    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2025    B  A  A DISK        24-JAN-2017 08:09:56 1       1       NO         DBI_BACKUP_ON_PRIMARY\n2065    B  A  A DISK        24-JAN-2017 08:11:50 1       1       NO         DBI_BACKUP_ON_STANDBY\n2066    B  A  A DISK        24-JAN-2017 08:11:50 1       1       NO         DBI_BACKUP_ON_STANDBY\n2084    B  F  A DISK        24-JAN-2017 08:12:01 1       1       NO         TAG20170124T081153\n2085    B  F  A DISK        24-JAN-2017 08:12:02 1       1       NO         TAG20170124T081153\n2086    B  F  A DISK        24-JAN-2017 08:12:09 1       1       NO         TAG20170124T081153\n2087    B  F  A DISK        24-JAN-2017 08:12:10 1       1       NO         TAG20170124T081153\n2137    B  A  A DISK        24-JAN-2017 08:16:11 1       1       NO         DBI_BACKUP_ON_STANDBY\n2148    B  F  A DISK        24-JAN-2017 08:16:17 1       1       NO         TAG20170124T081612\n2149    B  F  A DISK        24-JAN-2017 08:16:21 1       1       NO         TAG20170124T081612\n2150    B  F  A DISK        24-JAN-2017 08:16:28 1       1       NO         TAG20170124T081612\n2151    B  F  A DISK        24-JAN-2017 08:16:28 1       1       NO         TAG20170124T081612\n2169    B  A  A DISK        24-JAN-2017 08:16:31 1       1       NO         DBI_BACKUP_ON_STANDBY\n\nRMAN&gt;<\/pre>\n<p>If you don&#8217;t want to use the the accessible flag, but still want to see the backups on NFS from both sites you have another option. You can use the Oracle DISKSBT library and point it to the NFS directory.<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">RMAN&gt; CONFIGURE CHANNEL DEVICE TYPE 'SBT_TAPE' PARMS  'SBT_LIBRARY=oracle.disksbt,ENV=(BACKUP_DIR=\/u99\/backup\/DBIT122)';\n\nnew RMAN configuration parameters:\nCONFIGURE CHANNEL DEVICE TYPE 'SBT_TAPE' PARMS  'SBT_LIBRARY=oracle.disksbt,ENV=(BACKUP_DIR=\/u99\/backup\/DBIT122)';\nnew RMAN configuration parameters are successfully stored\nstarting full resync of recovery catalog\nfull resync complete\n\nRMAN&gt; CONFIGURE DEFAULT DEVICE TYPE TO SBT_TAPE;\n\nold RMAN configuration parameters:\nCONFIGURE DEFAULT DEVICE TYPE TO DISK;\nnew RMAN configuration parameters:\nCONFIGURE DEFAULT DEVICE TYPE TO 'SBT_TAPE';\nnew RMAN configuration parameters are successfully stored\nstarting full resync of recovery catalog\nfull resync complete\n\nRMAN&gt; backup database plus archivelog tag 'DBI_SBT_TAPE_BACKUP_ON_PRIMARY';\n\n\nStarting backup at 24-JAN-2017 08:22:16\ncurrent log archived\nallocated channel: ORA_SBT_TAPE_1\nchannel ORA_SBT_TAPE_1: SID=31 device type=SBT_TAPE\nchannel ORA_SBT_TAPE_1: WARNING: Oracle Test Disk API\nallocated channel: ORA_SBT_TAPE_2\nchannel ORA_SBT_TAPE_2: SID=36 device type=SBT_TAPE\nchannel ORA_SBT_TAPE_2: WARNING: Oracle Test Disk API\nchannel ORA_SBT_TAPE_1: starting compressed archived log backup set\nchannel ORA_SBT_TAPE_1: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=64 RECID=378 STAMP=934044533\ninput archived log thread=1 sequence=65 RECID=380 STAMP=934044555\ninput archived log thread=1 sequence=66 RECID=382 STAMP=934045153\ninput archived log thread=1 sequence=67 RECID=384 STAMP=934045183\ninput archived log thread=1 sequence=68 RECID=386 STAMP=934081238\nchannel ORA_SBT_TAPE_1: starting piece 1 at 24-JAN-2017 08:22:16\nchannel ORA_SBT_TAPE_2: starting compressed archived log backup set\nchannel ORA_SBT_TAPE_2: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=69 RECID=388 STAMP=934099691\ninput archived log thread=1 sequence=70 RECID=390 STAMP=934099729\ninput archived log thread=1 sequence=71 RECID=392 STAMP=934099785\ninput archived log thread=1 sequence=72 RECID=394 STAMP=934099796\ninput archived log thread=1 sequence=73 RECID=396 STAMP=934100169\ninput archived log thread=1 sequence=74 RECID=398 STAMP=934100189\nchannel ORA_SBT_TAPE_2: starting piece 1 at 24-JAN-2017 08:22:16\nchannel ORA_SBT_TAPE_2: finished piece 1 at 24-JAN-2017 08:22:17\npiece handle=37rqqfho_1_1 tag=DBI_SBT_TAPE_BACKUP_ON_PRIMARY comment=API Version 2.0,MMS Version 8.1.3.0\nchannel ORA_SBT_TAPE_2: backup set complete, elapsed time: 00:00:01\nchannel ORA_SBT_TAPE_2: starting compressed archived log backup set\nchannel ORA_SBT_TAPE_2: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=75 RECID=400 STAMP=934100536\nchannel ORA_SBT_TAPE_2: starting piece 1 at 24-JAN-2017 08:22:18\nchannel ORA_SBT_TAPE_2: finished piece 1 at 24-JAN-2017 08:22:19\npiece handle=38rqqfhq_1_1 tag=DBI_SBT_TAPE_BACKUP_ON_PRIMARY comment=API Version 2.0,MMS Version 8.1.3.0\nchannel ORA_SBT_TAPE_2: backup set complete, elapsed time: 00:00:01\nchannel ORA_SBT_TAPE_1: finished piece 1 at 24-JAN-2017 08:22:25\npiece handle=36rqqfho_1_1 tag=DBI_SBT_TAPE_BACKUP_ON_PRIMARY comment=API Version 2.0,MMS Version 8.1.3.0\nchannel ORA_SBT_TAPE_1: backup set complete, elapsed time: 00:00:09\nFinished backup at 24-JAN-2017 08:22:25\n\nStarting backup at 24-JAN-2017 08:22:25\nusing channel ORA_SBT_TAPE_1\nusing channel ORA_SBT_TAPE_2\nchannel ORA_SBT_TAPE_1: starting compressed full datafile backup set\nchannel ORA_SBT_TAPE_1: specifying datafile(s) in backup set\ninput datafile file number=00001 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_system_d4fnthn8_.dbf\ninput datafile file number=00007 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_users_d4fnx3bd_.dbf\nchannel ORA_SBT_TAPE_1: starting piece 1 at 24-JAN-2017 08:22:25\nchannel ORA_SBT_TAPE_2: starting compressed full datafile backup set\nchannel ORA_SBT_TAPE_2: specifying datafile(s) in backup set\ninput datafile file number=00003 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_sysaux_d4fnvx0w_.dbf\ninput datafile file number=00004 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_undotbs1_d4fnx03r_.dbf\ninput datafile file number=00002 name=\/u02\/oradata\/DBIT122_SITE1\/datafile\/o1_mf_dbv_d7klp09z_.dbf\nchannel ORA_SBT_TAPE_2: starting piece 1 at 24-JAN-2017 08:22:25\nchannel ORA_SBT_TAPE_1: finished piece 1 at 24-JAN-2017 08:22:51\npiece handle=39rqqfi1_1_1 tag=TAG20170124T082225 comment=API Version 2.0,MMS Version 8.1.3.0\nchannel ORA_SBT_TAPE_1: backup set complete, elapsed time: 00:00:26\nchannel ORA_SBT_TAPE_1: starting compressed full datafile backup set\nchannel ORA_SBT_TAPE_1: specifying datafile(s) in backup set\nchannel ORA_SBT_TAPE_2: finished piece 1 at 24-JAN-2017 08:22:51\npiece handle=3arqqfi1_1_1 tag=TAG20170124T082225 comment=API Version 2.0,MMS Version 8.1.3.0\nchannel ORA_SBT_TAPE_2: backup set complete, elapsed time: 00:00:26\nchannel ORA_SBT_TAPE_2: starting compressed full datafile backup set\nchannel ORA_SBT_TAPE_2: specifying datafile(s) in backup set\nincluding current SPFILE in backup set\nchannel ORA_SBT_TAPE_2: starting piece 1 at 24-JAN-2017 08:22:51\nincluding current control file in backup set\nchannel ORA_SBT_TAPE_1: starting piece 1 at 24-JAN-2017 08:22:52\nchannel ORA_SBT_TAPE_2: finished piece 1 at 24-JAN-2017 08:22:52\npiece handle=3crqqfir_1_1 tag=TAG20170124T082225 comment=API Version 2.0,MMS Version 8.1.3.0\nchannel ORA_SBT_TAPE_2: backup set complete, elapsed time: 00:00:01\nchannel ORA_SBT_TAPE_1: finished piece 1 at 24-JAN-2017 08:22:53\npiece handle=3brqqfir_1_1 tag=TAG20170124T082225 comment=API Version 2.0,MMS Version 8.1.3.0\nchannel ORA_SBT_TAPE_1: backup set complete, elapsed time: 00:00:01\nFinished backup at 24-JAN-2017 08:22:53\n\nStarting backup at 24-JAN-2017 08:22:53\ncurrent log archived\nusing channel ORA_SBT_TAPE_1\nusing channel ORA_SBT_TAPE_2\nchannel ORA_SBT_TAPE_1: starting compressed archived log backup set\nchannel ORA_SBT_TAPE_1: specifying archived log(s) in backup set\ninput archived log thread=1 sequence=76 RECID=402 STAMP=934100573\nchannel ORA_SBT_TAPE_1: starting piece 1 at 24-JAN-2017 08:22:54\nchannel ORA_SBT_TAPE_1: finished piece 1 at 24-JAN-2017 08:22:55\npiece handle=3drqqfiu_1_1 tag=DBI_SBT_TAPE_BACKUP_ON_PRIMARY comment=API Version 2.0,MMS Version 8.1.3.0\nchannel ORA_SBT_TAPE_1: backup set complete, elapsed time: 00:00:01\nFinished backup at 24-JAN-2017 08:22:55<\/pre>\n<p>Now backups on NFS are accessible without the accessible flag. It&#8217;s not needed for backups to SBT_TAPE. It&#8217;s default. \ud83d\ude42<\/p>\n<pre class=\"brush: actionscript3; gutter: true; first-line: 1\">RMAN&gt; list backup summary completed after 'sysdate -1';\n\n\nList of Backups\n===============\nKey     TY LV S Device Type Completion Time      #Pieces #Copies Compressed Tag\n------- -- -- - ----------- -------------------- ------- ------- ---------- ---\n1981    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1982    B  A  A DISK        24-JAN-2017 08:09:48 1       1       NO         DBI_BACKUP_ON_PRIMARY\n1983    B  A  A DISK        24-JAN-2017 08:09:46 1       1       NO         DBI_BACKUP_ON_PRIMARY\n2003    B  F  A DISK        24-JAN-2017 08:09:51 1       1       NO         TAG20170124T080948\n2004    B  F  A DISK        24-JAN-2017 08:09:53 1       1       NO         TAG20170124T080948\n2005    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2006    B  F  A DISK        24-JAN-2017 08:09:54 1       1       NO         TAG20170124T080948\n2025    B  A  A DISK        24-JAN-2017 08:09:56 1       1       NO         DBI_BACKUP_ON_PRIMARY\n2065    B  A  A DISK        24-JAN-2017 08:11:50 1       1       NO         DBI_BACKUP_ON_STANDBY\n2066    B  A  A DISK        24-JAN-2017 08:11:50 1       1       NO         DBI_BACKUP_ON_STANDBY\n2084    B  F  A DISK        24-JAN-2017 08:12:01 1       1       NO         TAG20170124T081153\n2085    B  F  A DISK        24-JAN-2017 08:12:02 1       1       NO         TAG20170124T081153\n2086    B  F  A DISK        24-JAN-2017 08:12:09 1       1       NO         TAG20170124T081153\n2087    B  F  A DISK        24-JAN-2017 08:12:10 1       1       NO         TAG20170124T081153\n2137    B  A  A DISK        24-JAN-2017 08:16:11 1       1       NO         DBI_BACKUP_ON_STANDBY\n2148    B  F  A DISK        24-JAN-2017 08:16:17 1       1       NO         TAG20170124T081612\n2149    B  F  A DISK        24-JAN-2017 08:16:21 1       1       NO         TAG20170124T081612\n2150    B  F  A DISK        24-JAN-2017 08:16:28 1       1       NO         TAG20170124T081612\n2151    B  F  A DISK        24-JAN-2017 08:16:28 1       1       NO         TAG20170124T081612\n2169    B  A  A DISK        24-JAN-2017 08:16:31 1       1       NO         DBI_BACKUP_ON_STANDBY\n2312    B  A  A SBT_TAPE    24-JAN-2017 08:22:17 1       1       YES        DBI_SBT_TAPE_BACKUP_ON_PRIMARY\n2313    B  A  A SBT_TAPE    24-JAN-2017 08:22:18 1       1       YES        DBI_SBT_TAPE_BACKUP_ON_PRIMARY\n2314    B  A  A SBT_TAPE    24-JAN-2017 08:22:20 1       1       YES        DBI_SBT_TAPE_BACKUP_ON_PRIMARY\n2345    B  F  A SBT_TAPE    24-JAN-2017 08:22:44 1       1       YES        TAG20170124T082225\n2346    B  F  A SBT_TAPE    24-JAN-2017 08:22:46 1       1       YES        TAG20170124T082225\n2347    B  F  A SBT_TAPE    24-JAN-2017 08:22:51 1       1       YES        TAG20170124T082225\n2348    B  F  A SBT_TAPE    24-JAN-2017 08:22:52 1       1       YES        TAG20170124T082225\n2377    B  A  A SBT_TAPE    24-JAN-2017 08:22:54 1       1       YES        DBI_SBT_TAPE_BACKUP_ON_PRIMARY\n\nRMAN&gt;<\/pre>\n<p>&nbsp;<\/p>\n<h3>Conclusion<\/h3>\n<p>Backups to NFS are perfectly possible, however, in a DataGuard environment it is very useful to see the backups on the primary and standby. You never know which host might fail, so it is good to have all options.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>By William Sescu From the RMAN point of view, you have generally two possibilities to store your backups, on Disk or on Tape. In case of a single instance, it doesn&#8217;t really matter from the accessible or inaccessible point of view. However, in a DataGuard environment it makes a huge difference. Per default, backups to [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[229,198],"tags":[999,988,270],"type_dbi":[],"class_list":["post-9703","post","type-post","status-publish","format-standard","hentry","category-database-administration-monitoring","category-database-management","tag-dataguard","tag-oracle-12-2","tag-rman"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Oracle 12cR2 - DataGuard and Backups to NFS - dbi Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dbi-services.com\/blog\/oracle-12cr2-dataguard-and-backups-to-nfs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle 12cR2 - DataGuard and Backups to NFS\" \/>\n<meta property=\"og:description\" content=\"By William Sescu From the RMAN point of view, you have generally two possibilities to store your backups, on Disk or on Tape. 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