{"id":10705,"date":"2017-12-20T18:13:07","date_gmt":"2017-12-20T17:13:07","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/online-datafile-move-in-a-12c-dataguard-environment\/"},"modified":"2023-06-09T16:50:46","modified_gmt":"2023-06-09T14:50:46","slug":"online-datafile-move-in-a-12c-dataguard-environment","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/online-datafile-move-in-a-12c-dataguard-environment\/","title":{"rendered":"Online datafile move in a 12c dataguard environment"},"content":{"rendered":"

By Mouhamadou Diaw<\/strong><\/p>\n

Oracle 12c introduces moving online datafile. One question we might ask is what about moving datafile online in a dataguard environment. In this blog we will do some tests
\nBelow our configuration, we are using oracle 12.2
\n
\nDGMGRL> show configuration;
\nConfiguration - MYCONT_DR
\nProtection Mode: MaxPerformance
\nMembers:
\nMYCONT_SITE - Primary database
\nMYCONT_SITE1 - Physical standby database
\nFast-Start Failover: DISABLED
\nConfiguration Status:
\nSUCCESS (status updated 8 seconds ago)
\nDGMGRL>
\n<\/code>
\nThe StandbyFileManagement property is set to auto for both primary and standby database.
\n
\nDGMGRL> show database 'MYCONT_SITE' StandbyFileManagement;
\nStandbyFileManagement = 'auto'
\nDGMGRL> show database 'MYCONT_SITE1' StandbyFileManagement;
\nStandbyFileManagement = 'auto'
\nDGMGRL>
\n<\/code>
\nBelow datafiles on both primary and standby pluggable databases PDB1
\n
\nSQL> show con_name;
\nCON_NAME
\n------------------------------
\nPDB1
\nSQL> select name from v$datafile;
\nNAME
\n-------------------------------------------------------
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/system01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/sysaux01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/undotbs01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/users01.dbf
\n<\/code>
\nNow let\u2019s move for example \/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/users01.dbf to a new location on the primary PDB1
\n
\nSQL> alter database move datafile '\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/users01.dbf' to '\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/newloc\/users01.dbf';
\nDatabase altered.
\nSQL>
\n<\/code>
\nWe can verify the new location on the primary
\n
\nSQL> select name from v$datafile;
\nNAME
\n-------------------------------------------------------
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/system01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/sysaux01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/undotbs01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/newloc\/users01.dbf
\nSQL>
\n<\/code>
\nAs the StandbyFileManagement is set to auto for both databases, we might think that datafile is also moved in the standby, so let\u2019s check
\n
\nSQL> select name from v$datafile;
\nNAME
\n-------------------------------------------------------
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/system01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/sysaux01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/undotbs01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/users01.dbf
\n<\/code>
\nThe answer is no.
\nOk but is my dataguard still working? Let\u2019s query the broker
\n
\nDGMGRL> show configuration;
\nConfiguration - MYCONT_DR
\nProtection Mode: MaxPerformance
\nMembers:
\nMYCONT_SITE - Primary database
\nMYCONT_SITE1 - Physical standby database
\nFast-Start Failover: DISABLED
\nConfiguration Status:
\nSUCCESS (status updated 0 seconds ago)
\n<\/code>
\nYes the configuration is fine.
\nOk now can I move online my datafile in the new location on the standby server? Let\u2019s try
\n
\nSQL> alter database move datafile '\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/users01.dbf' to '\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/newloc\/users01.dbf';
\nDatabase altered.
\nSQL>
\n<\/code>
\nAnd we can verify that datafile was moved.
\n
\nSQL> select name from v$datafile;
\nNAME
\n-------------------------------------------------------
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/system01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/sysaux01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/undotbs01.dbf
\n\/u01\/app\/oracle\/oradata\/MYCONT\/PDB1\/newloc\/users01.dbf
\nSQL>
\n<\/code>
\nAnd we also can verify that my dataguard configuration is still fine
\n
\nDGMGRL> show configuration;
\nConfiguration - MYCONT_DR
\nProtection Mode: MaxPerformance
\nMembers:
\nMYCONT_SITE - Primary database
\nMYCONT_SITE1 - Physical standby database
\nFast-Start Failover: DISABLED
\nConfiguration Status:
\nSUCCESS (status updated 46 seconds ago)
\nDGMGRL>
\n<\/code>
\nConclusion<\/strong>
\nWe can see that
\n1- StandbyFileManagement property dos not concern online datafile move
\n2- Moving online datafile in the primary does not move the datafile on the standby
\n3- Online datafile can be done on the standby database<\/p>\n","protected":false},"excerpt":{"rendered":"

By Mouhamadou Diaw Oracle 12c introduces moving online datafile. One question we might ask is what about moving datafile online in a dataguard environment. In this blog we will do some tests Below our configuration, we are using oracle 12.2 DGMGRL> show configuration; Configuration – MYCONT_DR Protection Mode: MaxPerformance Members: MYCONT_SITE – Primary database MYCONT_SITE1 […]<\/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],"tags":[1196,1242,988],"type_dbi":[],"class_list":["post-10705","post","type-post","status-publish","format-standard","hentry","category-database-administration-monitoring","tag-dataguard-12-2","tag-online-datafile-move","tag-oracle-12-2"],"acf":[],"yoast_head":"\nOnline datafile move in a 12c dataguard environment - dbi Blog<\/title>\n<meta name=\"description\" content=\"oracle 12.2, dataguard, online datafile move\" \/>\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\/online-datafile-move-in-a-12c-dataguard-environment\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Online datafile move in a 12c dataguard environment\" \/>\n<meta property=\"og:description\" content=\"oracle 12.2, dataguard, online datafile move\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dbi-services.com\/blog\/online-datafile-move-in-a-12c-dataguard-environment\/\" \/>\n<meta property=\"og:site_name\" content=\"dbi Blog\" \/>\n<meta property=\"article:published_time\" content=\"2017-12-20T17:13:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-09T14:50:46+00:00\" \/>\n<meta name=\"author\" content=\"Oracle Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Oracle Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/online-datafile-move-in-a-12c-dataguard-environment\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/online-datafile-move-in-a-12c-dataguard-environment\\\/\"},\"author\":{\"name\":\"Oracle Team\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/#\\\/schema\\\/person\\\/66ab87129f2d357f09971bc7936a77ee\"},\"headline\":\"Online datafile move in a 12c dataguard environment\",\"datePublished\":\"2017-12-20T17:13:07+00:00\",\"dateModified\":\"2023-06-09T14:50:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/online-datafile-move-in-a-12c-dataguard-environment\\\/\"},\"wordCount\":225,\"commentCount\":0,\"keywords\":[\"Dataguard 12.2\",\"online datafile move\",\"Oracle 12.2\"],\"articleSection\":[\"Database Administration & Monitoring\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/online-datafile-move-in-a-12c-dataguard-environment\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/online-datafile-move-in-a-12c-dataguard-environment\\\/\",\"url\":\"https:\\\/\\\/www.dbi-services.com\\\/blog\\\/online-datafile-move-in-a-12c-dataguard-environment\\\/\",\"name\":\"Online datafile move in a 12c dataguard environment - 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