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A Cloud Journey - Move to the Oracle Cloud
The document outlines Oracle's cloud migration strategies, detailing various methods for moving databases to Oracle Cloud, including zero downtime migration using ZDM. It highlights Oracle's historical evolution in database management systems and introduces diverse solutions for data migration with their respective benefits and limitations. Additionally, the document discusses the technological advancements in their database offerings leading to enhanced high availability and scalability options.
In this document
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Introduction to the Oracle Cloud Journey and the team behind the migration process.
Overview of Oracle's historical developments from 1977 to 2019, emphasizing key software versions and features.
Methods and scenarios for migrating databases to the cloud, including various solutions and platforms.Detailed migration methods including Data Guard solutions, conventional exports, and SQL Loader techniques. Introduction to Zero Downtime Migration, highlighting its automated features for seamless database transfer.
Step-by-step workflow of Zero Downtime Migration, detailing analysis, preparation, migration, monitoring, and finalization.
Roadmap for Oracle migration services, focusing on future releases and enhancements for zero downtime.
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A Cloud Journey - Move to the Oracle Cloud
- 1. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | A Cloud Journey Move to the Oracle Cloud
- 2. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | A Cloud Journey Move to the Oracle Cloud Ricardo Gonzalez Product Manager Oracle Database Cloud Migration 2019
- 3. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | A Cloud Journey Move to the Oracle Cloud Confidential – Oracle Internal [email protected] @OracleRACpm http://www.linkedin.com/in/markusmichalewicz http://www.slideshare.net/MarkusMichalewicz Markus Michalewicz, Senior Director of Product Management, Database High Availability & Scalability Solutions June 7, 2019
- 4. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | RAC One Clusterware 5 High Availability & Scalability PM Team RAC ASM ACFS GoldenGate Application Continuity Data Guard MAA Sharding
- 5. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 6
- 6. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 7 A little bit of history first
- 7. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 1977 8 Software Development Laboratories SDL Later Relational Software IncSanta Clara, California
- 8. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 9 1977 Santa Clara, California Software Development Laboratories SDL Later Relational Software Inc 1979 Oracle First Commercial RDBMS
- 9. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 10 1981 C Programming Language chosen for v3 1982 Relational Software Inc becomes Oracle
- 10. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 11 1982 Relational Software Inc becomes Oracle 1983 Portability at its best • Atomic execution of SQL statements • Nonblocking queries • Mapping of data in pre-join formatsOracle V3
- 11. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 1991 Oracle V6.2 1992 Oracle V7 1983 Oracle V3 1984 Oracle V4 1985 Oracle V5 1986 Oracle V5.1 1988 Oracle V6 1997 Oracle V8 1998 Oracle V8i 2001 Oracle V9i 2003 Oracle 10g 2005 Oracle 10gR2 2007 Oracle 11g 2009 Oracle 11gR2 2013 Oracle 12c 2016 Oracle 12cR2 2018 Oracle 18c 2019 Oracle 19c
- 12. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 1991 Oracle V6.2 1992 Oracle V7 1983 Oracle V3 1984 Oracle V4 1985 Oracle V5 1986 Oracle V5.1 1988 Oracle V6 1997 Oracle V8 1998 Oracle V8i 2001 Oracle V9i 2003 Oracle 10g 2005 Oracle 10gR2 2007 Oracle 11g 2009 Oracle 11gR2 2013 Oracle 12c 2016 Oracle 12cR2 2018 Oracle 18c 2019 Oracle 19c • Row level locking • Hot backup • First version of PL/SQL • High Speed OLTP
- 13. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 1991 Oracle V6.2 1992 Oracle V7 1983 Oracle V3 1984 Oracle V4 1985 Oracle V5 1986 Oracle V5.1 1988 Oracle V6 1997 Oracle V8 1998 Oracle V8i 2001 Oracle V9i 2003 Oracle 10g 2005 Oracle 10gR2 2007 Oracle 11g 2009 Oracle 11gR2 2013 Oracle 12c 2016 Oracle 12cR2 2018 Oracle 18c 2019 Oracle 19c • PL/SQL Stored procedures • Triggers • Distributed 2-phase commit • Shared cursors • Cost based optimizer
- 14. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 1991 Oracle V6.2 1992 Oracle V7 1983 Oracle V3 1984 Oracle V4 1985 Oracle V5 1986 Oracle V5.1 1988 Oracle V6 1997 Oracle V8 1998 Oracle V8i 2001 Oracle V9i 2003 Oracle 10g 2005 Oracle 10gR2 2007 Oracle 11g 2009 Oracle 11gR2 2013 Oracle 12c 2016 Oracle 12cR2 2018 Oracle 18c 2019 Oracle 19c • Real Application Clusters (RAC) • Integrated Data Mining with OLAP • Data Guard Broker
- 15. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 1991 Oracle V6.2 1992 Oracle V7 1983 Oracle V3 1984 Oracle V4 1985 Oracle V5 1986 Oracle V5.1 1988 Oracle V6 1997 Oracle V8 1998 Oracle V8i 2001 Oracle V9i 2003 Oracle 10g 2005 Oracle 10gR2 2007 Oracle 11g 2009 Oracle 11gR2 2013 Oracle 12c 2016 Oracle 12cR2 2018 Oracle 18c 2019 Oracle 19c • Sharding • Snapshot based replication • PDB Hot Clone • Enhanced Partitioning • Multitenant Architecture • In-Memory Column Store • Native JSON • SQL Pattern Matching
- 16. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 1991 Oracle V6.2 1992 Oracle V7 1983 Oracle V3 1984 Oracle V4 1985 Oracle V5 1986 Oracle V5.1 1988 Oracle V6 1997 Oracle V8 1998 Oracle V8i 2001 Oracle V9i 2003 Oracle 10g 2005 Oracle 10gR2 2007 Oracle 11g 2009 Oracle 11gR2 2013 Oracle 12c 2016 Oracle 12cR2 2018 Oracle 18c 2019 Oracle 19c • Autonomous Database is announced • User define sharding • PDB Snapshot carousel • DB In-memory support for External tables
- 17. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 1991 Oracle V6.2 1992 Oracle V7 1983 Oracle V3 1984 Oracle V4 1985 Oracle V5 1986 Oracle V5.1 1988 Oracle V6 1997 Oracle V8 1998 Oracle V8i 2001 Oracle V9i 2003 Oracle 10g 2005 Oracle 10gR2 2007 Oracle 11g 2009 Oracle 11gR2 2013 Oracle 12c 2016 Oracle 12cR2 2018 Oracle 18c 2019 Oracle 19c • General Availability since April 2019
- 18. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | History Predicts (Sometimes) 199119921983198419851986198819971998200120032005200720092013201620182019 All roads lead to the 1996 - 2000
- 19. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 21
- 20. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 27 How to Move to the Cloud ?
- 21. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 28 Cloud Migration Scenarios
- 22. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 29 Oracle Database Cloud Migration Solutions
- 23. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 30 Cloud Migration Scenarios
- 24. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 31 Method Source Databases Target Databases Simple Data Guard Solution 11g, 12c, 18cAdvanced Data Guard Solution Cross Platform Migration using ZDLRA GoldenGate Cloud Service Migration 11g, 12c, 18c 11g, 12c, 18c, ADW/ATP MAA Migration Solutions Target Cloud Service: DBCS BM/VM, ExaCS, ExaCC, ADW, ATP Simple Data Guard Solution - Limited Downtime - 11.2.0.4 / 12+CDB - Same version/platform Advanced Data Guard Solution - CDB Conversion if required - DB Upgrade - Transient Logical Rolling Upgrade - Data Guard Switchover and Upgrade Cross Platform Migration using ZDLRA - Limited Downtime - Little endian to small endian GoldenGate Cloud Service Migration - Multiple sources - ATP/ADW as targets
- 25. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 32 Method Source Databases Target Databases Conventional Export / Import Amazon RDS, Oracle 12c, 18c Oracle 12c, 18cCopy Materialized Views SQL Loader Amazon RDS, Oracle 12c, 18c Oracle 12c, 18c, ATP, ADW SQL Developer Migration Solutions Target Cloud Service: DBCS BM/VM, ExaCS, ExaCC, ADW, ATP Conventional Export / Import - Leverages Data Pump - Platform and character set Independent - Can be parallelized - Up to 5TB Copy - Copy tool from SQLDev - Good for small schemas with small sizes - Wizard based Materialized Views - Copy of large table in target then update it by materialized view refreshes - Good for small databases - Online, ZDT SQL Loader - External files into Oracle Database tables - SQL Dev extracts DDL and data from source - SQL Loader loads them into target - Up to 10Gb
- 26. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 38 oracle.com/goto/move Introducing MOVE to Oracle Cloud Migrate Over
- 27. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 39
- 28. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 40 Oracle Zero Downtime Migration Simple MAA Compliant Fleet Scale Single Button Approach Extensive Post-checks Resumable Rollback enabled Dry-run option Centralized Scheduled Operations Command Deck Audit Trail Extensive Pre-checks
- 29. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 41 Sources Targets Oracle Zero Downtime Migration Same Version / Platform
- 30. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 42 Workflow Analysis Migrate Monitor SwitchPrepare
- 31. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 43 Workflow Analysis Migrate Monitor SwitchPrepare • Analyzes the source Database • Determines optimized migration steps • User choice of backup location
- 32. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 44 Workflow Analysis Migrate Monitor Switch • Prepares migration based on configuration on source database • Sets up secure connectivity • Validates source & target platforms • Prepares source & targets Prepare
- 33. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 45 Workflow Analysis Prepare Monitor Switch • Ensures Cloud security • Backs up to Cloud Object Store • Starts Migration Migrate
- 34. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 46 Workflow Analysis Prepare Migrate Switch • Command line • Real time Migration status • Statistics / History Monitor
- 35. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 47 Workflow Analysis Prepare Migrate Monitor •Validates Migration •Controlled Switchover to Target •Data Guard syncup •Falls back if required Switch
- 36. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 49 Workflow Overview ZDM SSH SSH SQLnet Download ZDM1 2 3 4 Connects to Source & Target Connects to Object Store Transfers DB Files 5 Instantiates Standby 6 Syncs Primary & Standby 7 Switches over & Role swaps 8 User finalizes at will
- 37. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 50 Workflow ZDM ZDM Connects to Source & Target 2 SSH SSH
- 38. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 51 Workflow ZDM Connects Source to Object Store 3 SSH SSH https
- 39. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 52 Workflow ZDM SSH SSH https • DB Files • Full backup • Including incremental archives Transfers DB files 4
- 40. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 53 Workflow ZDM SSH SSH https • Standby on target initiates with the back up files in the Object Store. Instantiates Standby 5
- 41. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 54 Workflow ZDM SSH SSH https • SQLnet Connectivity is established between source & target • Synchronization between Primary and Standby starts Synchronizes Primary & Standby 6 SQLnet
- 42. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 55 Workflow ZDM SSH SSH • Switchover • Role swap between Primary & Standby Switches over & role swaps 7 SQLnet
- 43. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 56 Workflow ZDM SSH SSH • ZDM keeps the standby on- premises synchronized. • User decides when to stop this process in case fall back is required User finalizes at will 8 SQLnet
- 44. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 57 Workflow Summary ZDM SSH SSH SQLnet Download ZDM1 2 3 4 Connects to Source & Target Connects to Object Store Transfers DB Files 5 Instantiates Standby 6 Syncs Primary & Standby 7 Switches over & Role swaps 8 User finalizes at will
- 45. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 58 ZDMCLI - One command to move your Database to the Cloud zdmcli migrate database –sourcedb <db_name> -source_node <node_name> -target_node <node_name> -target_home <target_home>
- 46. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | Oracle Zero Downtime Migration 59 Roadmap • Release in Calendar year 2019 • V2 - based on GoldenGate for ATP migration • V2 - REST API Enablement • V2 - UI Interface • Ultimately – Zero Downtime Migration Service
- 47. Copyright © 2019,Oracle and/or its affiliates. All rights reserved. | 60