One of the #OOWLON topics that I discussed the most with #customers and #partners. #presentation on Day 2, Arena G - Zone 6

1. LHT1023-LON
Zero Downtime
Database Migration to Oracle Cloud
Oracle Product DevelopmentArchitect
RACPack/MAA, Cloud Innovation and Solution EngineeringTeam
Ruggero Citton
@RuggeroCitton
https://www.linkedin.com/in/ruggerocitton
https://www.slideshare.net/RuggeroCitton

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Statements in this presentation relating to Oracle’s future plans, expectations, beliefs, intentions and prospects
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at http://www.oracle.com/investor. All information in this presentation is current as of September 2019 and
Oracle undertakes no duty to update any statement in light of new information or future events.
Safe Harbor
2 Copyright © 2020, Oracle and/or its affiliates

3. Ruggero Citton
• 20+ Years at Oracle
• 2 years in Support “local“ organization at Oracle Italy,
• 3 years in Global Support as EMEACompetencyTeam Leader
• 6 years in EMEA PLatforms - Bug Diagnosis & Escalations (PL-BDE) asTech Manager
• Technical Lead for Oracle Unbreakable Linux support program phase I
• EMEA lead for JETs (Joint Escalation Team) with partners like: EMC2, IBM, Novell/Suse, Netapp, HP, RedHat, …
• EMEA lead for VOS (The VERITAS, Oracle, Sun Joint Escalation Center)
• Mission Critical Oracle member of TSANet (Technical Support Alliance Network)
• Since 9 years in (RACPack/MAA) Oracle Product Development, latest 3 years as Architect
• Working with development teams on new features, functionalities and Innovations
• Supporting Strategical Customers (RACPack SCP) and field teams
• Best Practices,Whitepapers,Technical Articles, Prototypes, Utilities&Tools, …
3 Copyright © 2020, Oracle and/or its affiliates

4. Copyright © 2020, Oracle and/or its affiliates4
3
2
1
ZDM: Zero Downtime Migrate
Cloud Migration Solutions
Oracle Database Cloud Services
Program agenda

5. Copyright © 2020, Oracle and/or its affiliates5
Oracle Database Cloud Services

6. Copyright © 2020, Oracle and/or its affiliates6
Cloud Migration Solutions
MV2ADBMV2OCI
OAutomatic
Manual

7. Copyright © 2020, Oracle and/or its affiliates7
Cloud Migration Transport & Sync Options
Solution Automatic/Manual Online / Offline Logical / Physical
Automatic Online/Offline Physical
Automatic Offline Logical
Automatic Offline Logical
Manual Online/Offline Logical/Physical
Manual Offline Logical
(limited data set)
MV2OCI
O
MV2ADB

8. Copyright © 2020, Oracle and/or its affiliates8
Cloud Migration Best Practice
MV2ADB
For Autonomous Database use MV2ADB
For all other use cases use ZDM when applicable
 ZDM will integrate MV2ADB in a single tool
If not applicable, use manual methods according on
your requirements
OOWLon Session [LHT1080-LON]

9. Copyright © 2020, Oracle and/or its affiliates9
Zero Downtime Migration, Why?
Simple Migration to the Oracle Cloud
Online and Offline Database Migration
Zero Data Loss
EE and SE Database Migration Support
FREE
Leverages Oracle MAA Best Practices
Cloud Security Enabled

10. Copyright © 2020, Oracle and/or its affiliates10
Zero Downtime Migration Capabilities
Simple Comprehensive Fleet Scale
Single Button Approach
Extensive Pre-checks
Pause and Resume
Re-run Ability
Dry-run option
Centralized
Scheduled Operations
Jobs Framework
Audit Trail
MAA Compliant
Customizable Workflow
Migrations in Parallel

11. Copyright © 2020, Oracle and/or its affiliates11
Zero Downtime Migration – «The 5 W's + H»
Sources Targets on Cloud
Same Version / Platform

12. Copyright © 2020, Oracle and/or its affiliates12
Workflow
Zero Downtime Migration
Download
Configure
ZDM
Application
1
 Setup ZDM software in
standalone server
 this server referred as ZDM
service host

13. Copyright © 2020, Oracle and/or its affiliates13
Workflow
Zero Downtime Migration
ZDM Connects
to Source &
Target
Application
ZDMSSH SSH
2
• ZDM service host connects to source
and target database servers using
ssh to perform migration operations
• Source database can be either on
OCI-C or On premises database
• Target platform can be either OCI,
ExaCS, ExaCC

14. Copyright © 2020, Oracle and/or its affiliates14
Workflow
Zero Downtime Migration
ZDM Connects
Source to Object
Store
Application
ZDM
SSH SSH
https
3
• ZDM service host connects to source
database server and perform
backup of the source database onto
Object Store
• Full Backup
• Including Incremental Archives

15. Copyright © 2020, Oracle and/or its affiliates15
Workflow
Zero Downtime Migration
ZDM Transfers
DB Files
Application
ZDM
SSH SSH
https
• Database Files
• Full Backup
• Including Incremental Archives
4

16. Copyright © 2020, Oracle and/or its affiliates16
Workflow
Zero Downtime Migration
ZDM Instantiates
Standby
Application
ZDM
SSH SSH
https
• Instantiates standby database
in the target from Object Store
source backup
5

17. Copyright © 2020, Oracle and/or its affiliates17
Workflow
Zero Downtime Migration
ZDM
Synchronizes
Primary &
Standby
Application
ZDM
SSH SSH
SQLnet
• SQLnet connectivity is
established between source
and target
• Synchronization between
Primary and Standby starts
6

18. Copyright © 2020, Oracle and/or its affiliates18
Workflow
Zero Downtime Migration
ZDM Switches
over and Role
Swaps
Application
ZDM
SSH SSH
SQLnet
• Switchover
• Role swap between Primary
and Standby
7

19. Copyright © 2020, Oracle and/or its affiliates19
Workflow
Zero Downtime Migration
Application
ZDM
SSH SSH
SQLnet
• ZDM keeps the standby on-
premises synchronized.
• User decides when to stop this
process in case fall back is
required.
8
User Finalizes at
Will

20. Copyright © 2020, Oracle and/or its affiliates20
Workflow Summary
Zero Downtime Migration
Download ZDM1
Application
ZDM
SSH SSH
SQLnet
Connects to Source & Target2
Connects to Object Store3
Transfers DB Files4
Instantiates Standby5
Syncs Primary & Standby6
Switches Over & Role Swaps7
User Finalizes at Will8
(*)
(*) ZDM support also offline migration: backup/restore

21. Copyright © 2020, Oracle and/or its affiliates21
Supported Database Architectures for Migration
Zero Downtime Migration
Source Target
Oracle Database Single Instance (SI) Oracle Database Single Instance (SI)
or
Oracle RAC Database
Oracle RAC OneNode Database Oracle RAC Database
Oracle RAC Database Oracle RAC Database

22. Copyright © 2020, Oracle and/or its affiliates23
www.oracle.com/goto/move
See also...
MV2OCI: move data to Oracle Cloud Database in "one-click“ (Doc ID
2514026.1)
MV2ADB: move data to Autonomous Database in "one-click" (Doc ID 2463574.1)
OOWLon Session [LHT1280-LON]
www.oracle.com/goto/zdm

23. Copyright © 2020, Oracle and/or its affiliates24
Ruggero Citton (Ruggero.Citton@oracle.com)
Oracle Product Development Architect
@RuggeroCitton
https://www.linkedin.com/in/ruggerocitton
https://www.slideshare.net/RuggeroCitton