Oracle OpenWorld 2019 - 1 File Download

Oracle OpenWorld 2019S A N F R A N C I S C O

18 Methods to Migrate Your Database to Oracle Cloud

Sudipto Basu

Solution Engineering Director, North America Cloud

Malay Kumar Khawas

Oracle Enterprise Architect, North America Cloud

The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, timing, and pricing of any features or functionality described for Oracle’s products may change and remains at the sole discretion of Oracle Corporation.

Statements in this presentation relating to Oracle’s future plans, expectations, beliefs, intentions and prospects are “forward-looking statements” and are subject to material risks and uncertainties. A detailed discussion of these factors and other risks that affect our business is contained in Oracle’s Securities and Exchange Commission (SEC) filings, including our most recent reports on Form 10-K and Form 10-Q under the heading “Risk Factors.” These filings are available on the SEC’s website or on Oracle’s website 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

Copyright © 2019 Oracle and/or its affiliates.

http://www.oracle.com/investor


Number Theory of 18 Methods to MigrateYour Database to Oracle Cloud

18 35 ~2

Permutation and Combination ofDatabase Migration


Source 11gR2 OnPremise

ATP Serverless

Autonomous Data

Warehouse

ATP Dedicated

VM DBSystem

Bare Metal DBSystem

Exadata DBSystem

Database on OCI Compute

11gR2, 12cR1, 12cR2, 18c,

19c

Little Endian Family

Big Endian Family

Factors to Decide a Migration Method


Source Database Version

Source Database Host OS

Source DB Data Types

Source CDB or NonCDB

Source Database

Size

Source Database

Character Set

Project Financials &

Licensing

Permissible Downtime

OCI DBSystem Versions

Network Bandwidth

Staging Storage

Requirement

Many More…..…..

18 Methods at a Glance

✓RMAN Cross Platform Incremental Transportable Tablespace

✓Hybrid DataGuard from OnPremise to OCI DBSystem

✓Golden Gate Real Time Replication

✓RMAN Restore and Recovery from Full Backup

✓RMAN Active Duplicate

✓MV2OCI: Move Data to Oracle Cloud Database in "One-Click"

✓ Unplugging and Plugging a PDB

✓ Unplugging and Plugging a NonCDB

✓ Remote Clone PDB

✓ Remote Clone (NonCDB)


18 Methods at a Glance

✓Data Pump Conventional Export Import

✓Data Pump Full Transportable

✓Data Pump Transportable Tablespace

✓ RMAN Active Duplicate for PDBs

✓ RMAN Cross Platform Transportable PDB

✓ RMAN Cross Platform TTS Backup Sets

✓ RMAN Transportable Tablespace with Data Pump

✓ RMAN Covert Transportable Tablespace with Data Pump


You are running OnPremise Database 11.2.0.4 on AIX

having database size of 10+ TB. Golden Gate as an option

is eliminated due to referential integrity and some

unsupported data types. You cannot afford more than 6

hours of downtime for the migration to OCI DBSystem.

What is the best migration method you can opt for?


Cloud Migration Quiz

Method01: RMAN Cross Platform Incremental Transportable Tablespace


Method01: RMAN Cross PlatformIncremental Transportable Tablespace

When-Where-Why

✓Best Method for Larger Databases (Metadata Size is Small)

✓Used for Endian Format Conversion

✓Reduced Downtime

✓Doc ID: 2005729.1 (Version Specific Notes)

If-Then-Else

✓ Considerable amount of DBA Effort

✓ Complex, but heavily used by many customers

✓ Initial Effort on Stabilizing the Migration Method (Data Complexity)


Method01: RMAN Cross PlatformIncremental Transportable Tablespace


Data Validation

Initial Setup (Source Online)

Prepare Phase (Source Online)

Roll Forward Phase (Source

Online)

Transport Phase (Source

Read Only)

You are running OnPremise Database 11.2.0.4 on Linux or

Windows having database size ranging from 50 GB to 50 TB.

All the 12c/18c Databases at OnPremise are multitenant. You

are looking for the most stable migration method to OCI

DBSystem with near zero downtime approach.




Method02: Hybrid DataGuard from OnPremise to OCI DBSystem


Method02: Hybrid DataGuard fromOnPremise to OCI DBSystem

When-Where-Why

✓Most widely used migration method

✓Near zero downtime

✓ Implement as DR-to-Cloud solution and switchover after multiple drills

✓Doc ID: 881421.1

If-Then-Else

✓ OnPremise Linux/Windows

✓ DR Drills are important for issueless migration


Method02: Hybrid DataGuard fromOnPremise to OCI DBSystem


Switchover and Fly High

with OCI

Establish Connectivity

b/w Source to Target

Prepare Source and Target for

DataGuard Setup

RMAN Standby

Duplicate or Restore from

Service

Multiple DR Drill for Issue

Resolution and

Integrations

You are running Oracle Database 11.2.0.4 or 12cR1/2/18c

Linux x86-64 at OnPremise. As the first stage of

migration you wish to migrate all your NonProduction

workload to OCI DBSystem and do frequent clone from

OnPremise Production to OCI.




Method03: RMAN Active Duplicate



When-Where-Why

✓Best Method with FastConnect for Multiple Databases

✓OnPremise Database on Linux / Windows

✓Doc ID: 452868.1

If-Then-Else

✓ Source and Target on Same Patch Level (Best Practice)

✓ Copy of TDE Wallet and Auto Login is Mandatory

✓ Initial Effort on Stabilizing the Migration Method




Perform RMAN Active

Duplicate

Prepare Source for

RMAN Active Duplicate

(Patch Set)

Configure Static Listener

on OCI DBSystem

Copy TDE Wallet from Source to

Target and Auto Login


b/w OnPremise

and OCI DBSystem

Method04: Unplugging and Plugging a PDB



When-Where-Why

✓Simple and Effective Method of PDB Migration

✓OnPremise Little Endian Family

✓Majorly used for Database Consolidation

✓Useful for Smaller PDBs

✓Doc ID: 2392653.1

If-Then-Else

✓ High Downtime for Larger Databases

✓ Resolve All PlugIn Violation before opening the PDB




Open the PDB and Validate

Close the PDB and Unplug to

XML File

Securely Copy the XML File and Datafiles

to OCI DBSystem

Invoke CREATE

PLUGGABLE DATABASE

Resolve all PlugIn

Violations

Method05: Unplugging and Plugging a NonCDB



When-Where-Why

✓Simple and Effective Method of NonCDB Migration and Consolidation

✓OnPremise Little Endian Family

✓Majorly used for Database Consolidation

✓Useful for Smaller NonCDBs

✓Doc ID: 2012448.1

If-Then-Else

✓ High Downtime for Larger Databases

✓ Resolve All PlugIn Violation before opening the PDB




Resolve all PlugIn

Violations and Open the PDB

Open the NonCDB in

Read Only and Unplug to XML File

Securely Copy the XML File and Datafiles

to OCI DBSystem

Invoke CREATE

PLUGGABLE DATABASE

Execute NonCDB to

PDB Script for Cleanup and Conversion

Method06: MV2OCI: Move Data to Oracle Cloud Database in "One-Click"


Method06: MV2OCI: Move Data to OracleCloud Database in "One-Click"

When-Where-Why

✓Used for Character Set Conversion

✓Used for Same Versions or Lower to Higher Versions

✓Used for Schema Migration

✓Doc ID: 2514026.1

If-Then-Else

✓ Time consuming affair for larger databases

✓ Need Root privilege on the system

✓ Datapump Files are directly moved to OCI DBSystems


Method06: MV2OCI: Move Data to OracleCloud Database in "One-Click"


Validate Data

Prepare Source

System for MV2OCI

Install MV2OCI RPM at OnPremise

Database

Create Configuration

File

Perform MV2OCI in Auto Mode

Method07: Data Pump Conventional Export Import


Method07: Data Pump ConventionalExport Import

When-Where-Why


✓Used for Character Set Conversion

✓Used for Same Versions or Lower to Higher Versions

✓Majorly Used for Schema Migration

✓Doc ID: 855268.1, 1264715.1

If-Then-Else

✓ Time Consuming Affair for Larger Databases

✓ Manage Role, Grants and Users Delicately


Method07: Data Pump ConventionalExport Import


Perform IMPDP and

Validate Migrated Data

Prepare Source

System for Datapump

Export

Perform EXPDP to

Export Schemas

Securely Copy Created Dump

Files to OCI DBSystem

Prepare Target for Datapump

Import

Method08: Data Pump Full Transportable



When-Where-Why


✓Used for 11gR2 to 12c Migration

✓Used for 12c NonCDB to 12c Migration

✓Used for 12c CDB to 12c Migration

✓OnPremise 11.2.0.3

✓Doc ID: 2027352.1

If-Then-Else

✓ Time consuming affair for larger databases

✓ Compatible Database Character Sets




Validate Data

Put Source Tablespace in

Read Only Mode

Invoke Full Y and

Transportable ALWAYS Export

Securely Copy Created Dump Files and Data


Perform Full Transportable

Datapump Import

Method09: Data Pump Transportable Tablespace


Method09: Data Pump TransportableTablespace

When-Where-Why

✓Faster than Conventional Export Import

✓ 11g to 11g-12c-18c-19c

✓TRANSPORT_TABLESPACES=TS1,TS

✓ TRANSPORT_FULL_CHECK=YES

✓Doc ID: 243304.1

If-Then-Else


✓ Check the Tablespace is Self Contained or Not

✓ All Transport Set Violations must be Resolved


Method09: Data Pump TransportableTablespace


Perform Import with Transport Datafiles Option

Put Source Tablespace in

Read Only Mode

Invoke Transport

Tablespaces Export

Securely Copy Created Dump Files and Data


Create Required Users at Target

You have 1000+ small PDBs spread across

multiple CDBs running at OnPremise Linux

Environment and wish to migrate and

consolidate them to OCI DBSystem with lesser

DBA effort.

Which migration method you would opt for?



Method10: Remote Clone PDB



When-Where-Why

✓OnPremise Database on Little Endian and Multitenant

✓Cloning over Database Link

✓Database Version 12.1.0.2

✓Doc ID: 2297470.1

If-Then-Else

✓ PDB Closed for Migration

✓ Compatible Database Character Sets and National Character Sets

✓ Take Special Care on PDB PlugIn Violations to avoid PDB on Restricted Mode

✓ Work on Stabilizing the Migration Method




Resolve PlugIn Violations and Open the PDB

Create Source User, Give Grants and

Close the PDB

Update Target TNS File with Source PDB Connectivity

String

Create Database Link

Pointing to Source PDB

Perform Remote Clone

PDB Using Create

Pluggable Database

You have 1000+ small NonCDBs running at

OnPremise Windows Environment and wish to

migrate and consolidate them to OCI DBSystem

as Multitenant Database with lesser DBA effort.

Which migration method you would opt for?



Method11: Remote Clone (NonCDB)


Method11: Remote Clone NonCDB

When-Where-Why

✓OnPremise Database On Little Endian

✓Cloning over Database Link


✓Doc ID: 1928653.1

If-Then-Else

✓ NonCDB in Read Only for Migration


✓ Take Special Care on PlugIn Violations to avoid PDB on Restricted Mode

✓ Work on Stabilizing the Migration Method


Method11: Remote Clone NonCDB


Resolve PlugIn Violations and Open the PDB

Create Source User, Give Grants and

Close the PDB

Create Database Link

Pointing to Source CDB

Create Pluggable Database

NON$CDB

Execute NonCDB to PDB SQL

Script

You have few midsize (~500GB) 12.2 Pluggable

Databases running at OnPremise Little Endian

Family scattered across multiple CDBs. You

wish to migrate and consolidate on OCI ExaCS

DBSystem. What is the best possible migration

method if you consider a reduced downtime

approach?



Method12: RMAN Cross Platform Transportable PDB


Method12: RMAN Cross PlatformTransportable PDB

When-Where-Why

✓OnPremise Database On Little Endian

✓RMAN Backup-based Migration using XML File


✓Doc ID: 2308210.1

If-Then-Else


✓ ALLOW INCONSISTENT Enhancement in 12.2 to Reduce Downtime

✓ Backup Time Reduced, Restoration Time Remains Same


Method12: RMAN Cross PlatformTransportable PDB


Open the Restored Pluggable Database

Close Source PDB and Take

Backup for Transport

Securely Copy the Backup

Piece and PDB Metadata

Check PlugIn Compatibility at Destination

Restore Foreign

Pluggable Database

from Backup Sets

You have 100+ of NonProduction Database at

OnPremise running on AIX. You wish to

migrate to OCI DBSystem as part of Database

consolidation. Downtime is not a constraint

and you are looking for an effective, easy to use

migration approach. What is best suitable

migration method for this scenario?



Method13: RMAN Cross Platform TTS Backup Sets


Method13: RMAN Cross PlatformTTS Backup Sets

When-Where-Why

✓Uses for Endian Format Conversion

✓Used for 12cR1 or higher

✓Tablespace Migration and Database Consolidation

✓OnPremise Database Version 12.1.0.2

✓Doc ID: 2013271.1

If-Then-Else


✓ OnPremise Tablespace in Read Only Mode during Migration.

✓ Increased Downtime for Larger Databases

✓ Increased Downtime for Larger Metadata


Method13: RMAN Cross PlatformTTS Backup Sets


ALTER the Tablespace to

Read Write

Put the Source Tablespace in

Read Only Mode

Backup Using TO

PLATFORM Linux x86 64-

bit

Securely Copy the Backup

Sets and Data Pump Export

Dump to Destination

Restore Foreign

Tablespace / Datafiles

Method14: RMAN Transportable Tablespace with Data Pump


Method14: RMAN Transportable Tablespacewith Data Pump

When-Where-Why

✓OnPremise Little Endian


✓Mostly Used for NonProduction Migrations

✓Doc ID: 455593.1

If-Then-Else


✓ OnPremise Tablespace is in Read Write during Migration.

✓ Used for Migrate and Upgrade

✓ Used for Cloning OnPremise Production to NonProduction on OCI DBSystem


Method14: RMAN Transportable Tablespacewith Data Pump


Invoke Import with Transport

Datafile Option

Create AUXILIARY & TABLESPACE Destination at

OnPremise Host

Backup Using TRANSPORT TABLESPACE

Clause

Securely Copy the Content

from TABLESPACE Destination to OCI DBSystem

Create User and DBA

Directory on OCI DBSystem

Method15: RMAN Covert Transportable Tablespace with Data Pump


Method15: RMAN Covert TransportableTablespace with Data Pump

When-Where-Why



✓RMAN and Data Pump are executed separately

✓Doc ID: 371556.1 (Use RMAN Convert Section)

If-Then-Else


✓ OnPremise Tablespace is in Read Only Mode during Migration.

✓ Mostly Used for NonProduction Migrations


Method15: RMAN Covert TransportableTablespace with Data Pump


Invoke Import with Transport

Datafile Option

Put Source Tablespaces In

Read Only Mode

Perform EXPDP with

TRANSPORT TABLESPACES

Option

Invoke RMAN with

CONVERT TABLESPACE

Clause

Create User and DBA

Directory on OCI DBSystem

Method16: RMAN Restore and Recovery from Full Backup


Method16: RMAN Restore and Recoveryfrom Full Backup

When-Where-Why

✓OnPremise Little Endian

✓Larger Downtime for Larger Database

✓Traditional Backup and Recovery

✓Doc ID: Oracle Documentation

If-Then-Else

✓ Patchset Levels and Patch Reconciliation

✓ Favorite Methods for Easy Migration

✓ Mostly Used for NonProduction Migrations


Method16: RMAN Restore and Recoveryfrom Full Backup


Validate the DBSystem and Data

Implement TDE at

OnPremise Database

Implement Cloud Backup

Module at OnPremise Database /

DTA

Take Backup to the OCI

Object Storage

Create OCI DBSystem

from Object Storage Backup

Method17: Golden Gate Real Time Replication


Method18: RMAN Active Duplicate for PDB



When-Where-Why

✓Best Method with FastConnect for Multiple PDBs Databases

✓OnPremise Database on Linux / Windows

✓Doc ID: 2457397.1

If-Then-Else

✓ Source and Target on Same Patch Level (Best Practice)

✓ Initial Effort on Stabilizing the Migration Method

✓ Source PDBs shall not have encrypted tablespaces




Perform Validation of PDB on OCI DBSystem

Prepare Source for

RMAN Active Duplicate

(Patch Set)

Configure Static Listener

on OCI DBSystem


b/w OnPremise

and OCI DBSystem

Perform RMAN Active

Duplicate

What’s Ahead

Session Details

Session ID: CAS3515

Session Title: Solving Industry Challenges Using Oracle Autonomous Data Warehouse

Room: Moscone South - Room 151B

Date / Time: 09/17/19 (Tuesday) 12:30:00 PM

What we are covering: Data-driven, ML enabled operational analytics to solve Industry challenges in ADW

Come Join Us….


C

Design the migration method and Bring your Database to Oracle Cloud using best suitable method.

We will help you at every step of your Cloud journey


Sign-up for Trial Accountcloud.oracle.comA

B

Next Steps

Thank You

Contact Details

Sudipto Basu ([email protected])LinkedIn: https://www.linkedin.com/in/basusudipto/

Malay Kumar Khawas ([email protected])LinkedIn: https://www.linkedin.com/in/mkhawas/Twitter: https://twitter.com/MalayKhawas


mailto:[email protected]

https://www.linkedin.com/in/basusudipto/

mailto:[email protected]

https://www.linkedin.com/in/mkhawas/

https://twitter.com/MalayKhawas

Documents

Oracle OpenWorld 2019 - 1 File Download