{"id":264,"date":"2026-05-20T20:00:00","date_gmt":"2026-05-20T18:00:00","guid":{"rendered":"https:\/\/blog.agdba.de\/?p=264"},"modified":"2026-05-20T14:13:19","modified_gmt":"2026-05-20T12:13:19","slug":"konfiguration-von-hybrid-dataguard-fuer-die-migration-in-die-oracle-cloud","status":"publish","type":"post","link":"https:\/\/blog.agdba.de\/?p=264","title":{"rendered":"Konfiguration von Hybrid Dataguard f\u00fcr die Migration in die Oracle Cloud"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Oracle Data Guard kann als Migrationsmethode in die Oracle Cloud Infrastrucute (OCI) und Oracle Multicloud verwendet werden. Dabei kommt es aber immer wieder zu Bedenken und Fragen:<br>&#8222;In der Cloud ist Verschl\u00fcsselung der Datenbank Pflicht &#8211; Wir haben aber Transparent Data Encrpytion (TDE) nicht lizenziert!&#8220;<br>&#8222;Ich m\u00f6chte on Premises nicht alles verschl\u00fcsseln, bevor ich migriere!&#8220;<br>&#8222;Ist der Weg in die Cloud ein One-Way-Ticket? &#8211; Was habe ich dann noch f\u00fcr einen Fallback?&#8220;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Um diesen Bedenken begegnen zu k\u00f6nnen, kann Oracle Data Guard in der Hybrid Cloud Configuration verwendet werden.<br>Folgender Artikel soll die Konfiguration und Migration mittels Oracle Data Guard in der Hybrid Cloud Migration vorgestellt werden. Dabei kann die Hybrid Cloud Configuration als Migrationsmethode genutzt werden, oder f\u00fcr den Fall, dass eine oder mehrere Standy Datenbanken in der Cloud betrieben werden k\u00f6nnen.<\/p>\n\n\n\n<!--more-->\n\n\n\n<h3 class=\"wp-block-heading\">Funktionsweise:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Oracle Data Guard Hybrid Cloud Configuration erm\u00f6glicht einen hybriden Betrieb von verschl\u00fcsselten Instanzen in der OCI und unverschl\u00fcsselten Instanzen im lokalen Rechenzentrum. Dabei werden von den unverschl\u00fcsselten Datenbanken onPrem unverschl\u00fcsselte Redo-Logs geschrieben und zur Standby transportiert. Dort werden die Redo-Logs mit dem dort vorhandenen Mastereky aus dem Wallet verschl\u00fcsselt und in der verschl\u00fcsselten Datenbank applied.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"430\" src=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_1-1024x430.png\" alt=\"\" class=\"wp-image-280\" srcset=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_1-1024x430.png 1024w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_1-300x126.png 300w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_1-768x323.png 768w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_1-1536x646.png 1536w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_1-2048x861.png 2048w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_1-700x294.png 700w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_1-2000x841.png 2000w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_1-952x400.png 952w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Wird ein Switchover oder Failover durchgef\u00fchrt, schreibt die verschl\u00fcsselte Instanz verschl\u00fcsselte Redo-Logs und transportiert diese zur unverschl\u00fcsselten Instanz. Dort werden diese mit dem Masterkey aus dem Wallet entschl\u00fcsselt und angewendet.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"432\" src=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_2-1024x432.png\" alt=\"\" class=\"wp-image-281\" srcset=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_2-1024x432.png 1024w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_2-300x127.png 300w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_2-768x324.png 768w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_2-1536x648.png 1536w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_2-2048x864.png 2048w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_2-700x295.png 700w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_2-2000x844.png 2000w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dr_cloud_2-948x400.png 948w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Dabei gibt es ein paar Voraussetzungen.<br>Zum einen muss f\u00fcr die lokalen Datenbank eine Wallet mit einem Masterkey f\u00fcr die CDB und alle PDBs angelegt werden. Der Masterkey muss derselbe wie in der OCI auf der Standby Seite sein.<br>F\u00fcr RAC Datenbanken sollte das Wallet auf einem ACFS f\u00fcr alle Instanzen zugreifbar liegen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Konfiguration f\u00fcr unverschl\u00fcsselte Primary:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00fcr die Konfiguration der Hybrid Cloud Configuration sind ein paar Parameter notwendig:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>wallet_root=&lt;Pfad zum wallet, f\u00fcr RAC ACFS&gt; (downtime needed)\nTABLESPACE_ENCRYPTION=DECRYPT_ONLY\nTDE_CONFIGURATION=KEYSTORE_CONFIGURAION=FILE<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">In der Demo-Umgebung ist eine CDB mit 4 PDBs, alle haben einen united Autologin wallet im OPEN Status:,<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SQL&gt;  select flashback_on from v$database;\n\nFLASHBACK_ON\n------------------\nYES\n\nSQL&gt; show parameter wallet_root\n\nNAME                                 TYPE        VALUE\n------------------------------------ ----------- ------------------------------\nwallet_root                          string      \/u01\/app\/oracle\/wallet\nSQL&gt; show parameter tde_configuration\n\nNAME                                 TYPE        VALUE\n------------------------------------ ----------- ------------------------------\ntde_configuration                    string      KEYSTORE_CONFIGURATION=FILE\nSQL&gt; show parameter encrypt\n\nNAME                                 TYPE        VALUE\n------------------------------------ ----------- ------------------------------\nencrypt_new_tablespaces              string      DDL\ntablespace_encryption                string      DECRYPT_ONLY\n\nSQL&gt;select * from v$encryption_wallet where con_id=1;SQL&gt;\n\nWRL_TYPE   WRL_PARAMETER                            STATUS          WALLET_TYPE          WALLET_ORDER    KEYSTORE FULLY_BAC     CON_ID\n---------- ---------------------------------------- --------------- -------------------- --------------- -------- --------- ----------\nFILE       \/u01\/app\/oracle\/wallet\/tde\/              OPEN            AUTOLOGIN            SINGLE          NONE     NO                 1\n\nSQL&gt; select p.con_id, p.name, p.open_mode, ew.wrl_type, ew.wallet_type, ew.status, ew.wallet_order\nfrom v$pdbs p join v$encryption_wallet ew on (ew.con_id = p.con_id)\norder by p.con_id;\n  2    3\n    CON_ID NAME                 OPEN_MODE  WRL_TYPE   WALLET_TYPE          STATUS          WALLET_ORDER\n---------- -------------------- ---------- ---------- -------------------- --------------- ---------------\n         2 PDB$SEED             READ ONLY  FILE       AUTOLOGIN            OPEN            SINGLE\n         3 PDB_0                READ WRITE FILE       AUTOLOGIN            OPEN            SINGLE\n         4 PDB_1                MOUNTED    FILE       AUTOLOGIN            OPEN            SINGLE\n         5 PDB_2                MOUNTED    FILE       AUTOLOGIN            OPEN            SINGLE\n         6 PDB_3                MOUNTED    FILE       AUTOLOGIN            OPEN            SINGLE\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Dabei ist ist in der Datenbank nichts verschl\u00fcsselt:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SQL&gt; select encrypted, count(*) from v$datafile_header group by encrypted;\n\nENC   COUNT(*)\n--- ----------\nNO          28\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">F\u00fcr das Anlegen eines Wallets mit Masterkey ist keine TDE Lizenz notwendig:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SQL&gt; select name, detected_usages, description from dba_feature_usage_statistics where description like '%encryp%';\n\nNAME                 DETECTED_USAGES DESCRIPTION\n-------------------- --------------- --------------------------------------------------------------------------------------------------------------------------------\nASO native encryptio               0 ASO network native encryption and checksumming is being used.\nn and checksumming\n\nACFS Encryption                    0 ACFS encryption in use\nTransparent Data Enc               0 Transparent Database Encryption is being used. There is atleast one column or tablespace that is encrypted.\nryption<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Konfiguration der verschl\u00fcsselten OCI Instanz:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Konfiguration f\u00fcr die Verschl\u00fcsselung ist in der OCI per default eingerichtet. Dort ist kein ToDO notwendig. Folgende Settings sind default:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SQL&gt; show parameter wallet_root\n\nNAME                                 TYPE        VALUE\n------------------------------------ ----------- ------------------------------\nwallet_root                          string      \/opt\/oracle\/dcs\/commonstore\/wa\n                                                 llets\/AGZDM_OCI\nSQL&gt; show parameter tde_configuration\n\nNAME                                 TYPE        VALUE\n------------------------------------ ----------- ------------------------------\ntde_configuration                    string      keystore_configuration=FILE\nSQL&gt; show parameter encrypt\n\nNAME                                 TYPE        VALUE\n------------------------------------ ----------- ------------------------------\nencrypt_new_tablespaces              string      ALWAYS\ntablespace_encryption                string      AUTO_ENABLE\nSQL&gt;\nSQL&gt; select * from v$encryption_wallet where con_id=1;\n\nWRL_TYPE   WRL_PARAMETER                                      STATUS          WALLET_TYPE          WALLET_ORDER    KEYSTORE FULLY_BAC     CON_ID\n---------- -------------------------------------------------- --------------- -------------------- --------------- -------- --------- ----------\nFILE       \/opt\/oracle\/dcs\/commonstore\/wallets\/AGZDM_OCI\/tde\/ OPEN            AUTOLOGIN            SINGLE          NONE     NO                 1\n\nSQL&gt; select p.con_id, p.name, p.open_mode, ew.wrl_type, ew.wallet_type, ew.status, ew.wallet_order\nfrom v$pdbs p join v$encryption_wallet ew on (ew.con_id = p.con_id)\norder by p.con_id;\n  2    3\n    CON_ID NAME                 OPEN_MODE  WRL_TYPE   WALLET_TYPE          STATUS          WALLET_ORDER\n---------- -------------------- ---------- ---------- -------------------- --------------- ---------------\n         2 PDB$SEED             READ ONLY  FILE       AUTOLOGIN            OPEN            SINGLE\n         3 PDB_0                READ WRITE FILE       AUTOLOGIN            OPEN            SINGLE\n         4 PDB_1                MOUNTED    FILE       AUTOLOGIN            OPEN            SINGLE\n         5 PDB_2                MOUNTED    FILE       AUTOLOGIN            OPEN            SINGLE\n         6 PDB_3                MOUNTED    FILE       AUTOLOGIN            OPEN            SINGLE<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Mit dieser Konfiguration ist der hybride Betrieb problemlos m\u00f6glich. Dabei k\u00f6nnen normale Switchover\/Failover und Switchback gemacht werden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die Datafiles sind in der OCI verschl\u00fcsselt. Je nach Migrationsmethode m\u00fcssen einzelne Tablespaces anschlie\u00dfend noch manuell verschl\u00fcsselt werden. Daf\u00fcr muss der Broker auf der Standby gestoppt werden und die Tablespaces k\u00f6nnen auf der Standby verschl\u00fcsselt werden:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SQL&gt; alter system set dg_broker_start=false scope=both sid='*';\n\nSystem altered.\n\nSQL&gt; alter tablespace DATA encryption offline encrypt;\n\nTablespace altered.\n\nSQL&gt; alter system set dg_broker_start=true scope=both sid='*';\n\nSystem alterd.<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Data Guard<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Der Aufbau der veschl\u00fcsselten Standby Datenbank kann mittels ZDM oder dbaascli (ExaCS\/ExaCC) erfolgen. Das Verfahren wird jedoch in einem weiterern Artikel beschrieben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die Data Guard Broker Konfiguration sieht auch in der Hybrid Cloud Configuration gew\u00f6hnlich aus.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"807\" height=\"470\" src=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl1.png\" alt=\"\" class=\"wp-image-285\" srcset=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl1.png 807w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl1-300x175.png 300w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl1-768x447.png 768w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl1-700x408.png 700w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl1-687x400.png 687w\" sizes=\"auto, (max-width: 807px) 100vw, 807px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Es kann auch ein gew\u00f6hnlicher Switchover und Switchback gemacht werden.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"593\" height=\"206\" src=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl2_switchover-to-oci.png\" alt=\"\" class=\"wp-image-286\" srcset=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl2_switchover-to-oci.png 593w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl2_switchover-to-oci-300x104.png 300w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"825\" src=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl-3-switch-back-to-onprem.png\" alt=\"\" class=\"wp-image-287\" srcset=\"https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl-3-switch-back-to-onprem.png 723w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl-3-switch-back-to-onprem-263x300.png 263w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl-3-switch-back-to-onprem-700x799.png 700w, https:\/\/blog.agdba.de\/wp-content\/uploads\/2026\/05\/dgmgrl-3-switch-back-to-onprem-351x400.png 351w\" sizes=\"auto, (max-width: 723px) 100vw, 723px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Demo<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Folgendes Video zeigt eine Hybrid Cloud Configuration mit Swithover und Switchback.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Oracle Data Guard Hybrid Cloud Configuration\" width=\"700\" height=\"394\" src=\"https:\/\/www.youtube.com\/embed\/gVBPOWVGcjQ?start=20&amp;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\">Demo f\u00fcr Data Guard Hybrid Cloud Configuration mit Switchover und Switchback<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oracle Data Guard kann als Migrationsmethode in die Oracle Cloud Infrastrucute (OCI) und Oracle Multicloud verwendet werden. Dabei kommt es aber immer wieder zu Bedenken und Fragen:&#8222;In der Cloud ist Verschl\u00fcsselung der Datenbank Pflicht &#8211; Wir haben aber Transparent Data Encrpytion (TDE) nicht lizenziert!&#8220;&#8222;Ich m\u00f6chte on Premises nicht alles verschl\u00fcsseln, bevor ich migriere!&#8220;&#8222;Ist der Weg &hellip; <a href=\"https:\/\/blog.agdba.de\/?p=264\" class=\"more-link\"><span class=\"screen-reader-text\">Konfiguration von Hybrid Dataguard f\u00fcr die Migration in die Oracle Cloud<\/span> weiterlesen <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,13,15],"tags":[32,38,36,40,37,34,31,19,33,42,41,39,35],"class_list":["post-264","post","type-post","status-publish","format-standard","hentry","category-allgemein","category-database","category-oci","tag-cloud","tag-dgmgrl","tag-encryption","tag-failover","tag-hybrid-cloud-configuration","tag-hybrid-dataguard","tag-migration","tag-oci","tag-oraclehyperscaler","tag-redo-encryption","tag-switchback","tag-switchover","tag-tde"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Konfiguration von Hybrid Dataguard f\u00fcr die Migration in die Oracle Cloud - agdba.de<\/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:\/\/blog.agdba.de\/?p=264\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Konfiguration von Hybrid Dataguard f\u00fcr die Migration in die Oracle Cloud - agdba.de\" \/>\n<meta property=\"og:description\" content=\"Oracle Data Guard kann als Migrationsmethode in die Oracle Cloud Infrastrucute (OCI) und Oracle Multicloud verwendet werden. 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