1 Oracle Maximum Availability Architecture MAA Cloud Architectures

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Oracle Maximum Availability Architecture MAA Cloud Architectures and Life Cycle Best Practices Lawrence To, Senior Director MAA

Topics Covered 1 MAA Evolution: On-Premise to Cloud 2 Cloud MAA Goals 3 Cloud MAA Architectures (what’s doable today) 4 Cloud MAA Configuration Best Practices (what’s there today) 5 Cloud MAA Life Cycle Operations 6 Cloud MAA with ATP Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 3

MAA Evolution: On-Premises to Cloud Database / Exadata Cloud Autonomous Database On-Premises Exadata and Recovery Appliance Adding MAA Config and Life Cycle Operations, Shifting admin ownership to Oracle with MAA SLAs On-Premises MAA integrated Engineered Systems (config practices, exachk, lowest brownouts, HA Qo. S, data protection) MAA Blueprints and Best Practices Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 4

Cloud MAA Goals • Provides best HA and DR Solutions and Service Levels in the cloud – MAA Reference Architectures to meet SLAs – Configuration Best Practices for Stability and Reliability – MAA Life Cycle Operations integrated with Cloud APIs and Console • ATP provides fully managed MAA solution with guaranteed service SLAs – 99. 995 % Service Uptime with No Exclusions – Exadata MAA + Validated Cloud Infrastructure + – MAA Cloud Life Cycle Operations + – Cloud and Product Enhancements and Fixes Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 5

Topics Covered 1 MAA Evolution: On-Premise to Cloud 2 Cloud MAA Goals 3 Cloud MAA Architectures 4 Cloud MAA Configuration Best Practices (what’s there today) 5 Cloud MAA Life Cycle Operations 6 Cloud MAA with ATP Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 6

MAA Reference Architectures for the Cloud Availability Service Levels BRONZE Dev, Test, Prod Zero Data Loss Single Instance DB Backup and Backup to the Restartable Recovery Cloud Use Case GOLD SILVER Business Critical Prod/Departmental Bronze + Database HA with Zero Downtime RAC High Availability RAC or DG FSFO PLATINUM Mission Critical Gold ++ (Future) Silver + Advanced Capabilities for Zero Downtime Zero Application Outages and Remote DB Replication Golden Gate Cloud Svc. Maintenance / Migration Zero Data Loss With Active Data Guard DR to the Cloud Use Case HA and DR Backup/Restore http: //www. oracle. com/technetwork/database/availability/maa-reference-architectures-2244929. pdf Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 7

MAA Architecture Building Blocks What’s available where? Cloud Infrastructure Backup/Restore Options OCI (BM) Backup to OCI Object Storage (manual/automatic) Backup copies across ADs OCI (VM with SI or RAC) Exa-OCI (X 6/X 7) RAC OCI-C (VM) Backup to OCI-C Object Storage Tiering Containers to Archive Storage Exa-OCI-C (X 5, X 6 and X 7) Backup copies and geo-replication option OCC Exa. CC (X 6, X 7) Backup to NFS, Local Object Storage, ZDLRA on premise, Cloud Object Storage with tiering ADG ADs/Regions ✓ Across ADs Across Regions via VCN peering or Public Internet ✓ ✓ ✓ Across ADs and regions where available Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 8

MAA Deployment Automation in the Cloud MAA Database Deployment Made Easy Standby Region #1 GOLD (DR) SILVER (HA) RAC Primary Region #2 DB Backup Service Primary AD #2 Single Instance SILVER (HA) BRONZE – Public Cloud Classic (or) Cloud at Customer AD #1 • Simple UI / CLI / REST interfaces to deploy your preferred topologies • Databases are provisioned with optimal parameter configurations • MAA made easy in the Cloud Standby Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 9

Bronze : Single Instance Database with Backups Low Cost MAA Solution for customers that can tolerate higher RTO and RPO Primary Datacenter Bronze Summary Single Instance Database Files • Single instance database with backups & autorestart capabilities with full clusterware (OCI only) Optional replication of backup data to remote site • Restore from backup to resume service following unrecoverable outages • Cloud Backup Features Remote Datacenter Replicated Backups Oracle Restart Capabilities (OCI only) • Multitenant Database (all 12 c+ DBs in cloud) • Online Maintenance (manual*) • Corruption Protection (enabled on OCI) • Flashback Technologies (enabled on OCI) • Recovery Manager and Cloud Storage (all Oracle cloud) • Recovery Appliance (occ/exacc only) • Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 10

Unplanned Outages and Planned Maintenance Bronze - Single Instance Oracle Database Downtime (RTO) Data Loss Potential (RPO) Database instance failure Minutes Zero Recoverable server failure Minutes to hour Zero Data corruptions, unrecoverable server failure, database or site failures Hours to days Since last backup or Near Zero with RA Online file move, reorganization/redefinition, and certain patches Zero Minutes to hours Zero Platform migrations Hours to a day Zero Application upgrades that modify back-end database objects Hours to days Zero Planned Maintenance Unplanned Outages Events Hardware or operating system maintenance and database patches that cannot be done online Database upgrades: patch sets and full database releases Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 11

Cloud Bronze MAA Next Steps • Configuration Best Practices – MAA Audits and Discussions are ongoing. Most config practices are integrated. – Customer Action: use clusterware managed services, adjust hugepages, ensure ORL/SRL setup • Cloud Backup/Restore to Cloud Storage best practices – Updating Cloud Backup APIs (sectionsize=64 GB, parallelism, compression for non-HCC) – White paper with DB performance examples/observations – Cloud@Customer and ZDLRA integration • Evolve Multitenant MAA best practices – PDB Relocate, PDB Failover Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 12

Silver Option 1: High Availability with Fast Failover RTO of Seconds for Server Failures, RPO near Zero with ZDLRA SILVER DB Backup Service Replicated Backups Production – Datacenter #1 DR– Datacenter #2 Exa. CS/Exa. CC § Active-Active clustering with Oracle RAC – All nodes active at all times – Real-time failover § Zero downtime rolling maintenance across RAC instances – Hardware and OS maintenance – Qualified Oracle Database patches – Available in OCI (VM and Exadata), OCI-C and Exa. CC Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 13

Unplanned Outages and Planned Maintenance Unplanned Outages Silver – High Availability with Fast Failover Events Downtime Data Loss Potential Database instance failure Seconds if RAC Zero Recoverable server failure Seconds if RAC Zero Data corruptions, database unable to restart, site failure Hours to days Since last backup, or Near-zero with ZDLRA redo transport Online file move, reorganization/redefinition, and patching Zero Near Zero Minutes to hours Zero Platform migrations Hours to a day Zero App upgrades that modify back-end database objects Hours to days Zero Hardware or O. S. maintenance and database patches that can’t be done online but qualified for RAC rolling install Database upgrades: patch sets and full database releases Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 14

Cloud Silver MAA Next Steps • Reduce brownout for all infrastructure software updates • Reduce brownout for Dom 0, Dom. U and GI/DB software updates – More Prechecks and Exadata optimizations coming – Customer Action: Service Drain and Movement – Customer Action: Tune Settings (fast_start_mttr_target, css miscount, etc) • Incorporating Exadata GI Upgrade Best Practices Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 15

Reducing blackouts and brownouts Reduce 1 minute blackout to < 1 second for Dom. U updates Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 16

Silver Option 2: High Availability with Fast Failover (OCI) Copyright © 2018, Oracle and/or

OCI DG Test Results RPO=0 with SYNC with minimal impact. Fast failover with potential < 30 seconds Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 18

OCI – What is Available Bare Metal DB Virtual Machine DB Virtual Machine RAC Systems DB Systems Exadata DB Systems Data Guard Creation Included Manual Data Guard Role Transitions Included Manual Data Guard Monitoring Included Manual Data Guard Across Regions Manual Data Guard Fast Start Failover Manual Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 19

OCI Deployment Model OCI deployment specifics • Provides HA, data protection and fast failover for database across ADs • DG synchronous mode possible due to < 1 ms between Ads • VCN Peering across Regions available today – PHX – IAD and LHR – FRA – Cannot provision across Regions, so no DR via cloud tooling Copyright © 2018, Oracle and/or its affiliates. All rights reserved. |

Network Latency between Data Centers PHX IAD LHR FRA 60 ms 118 ms 145 ms 79 ms 99 ms IAD 60 ms LHR 118 ms 79 ms FRA 145 ms 99 ms 17 ms Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 21

Gold: Comprehensive HA/DR RTO of Seconds to Minutes, RPO of Zero or Near-Zero § Real-time data protection, HA and DR GOLD using Active Data Guard – Best corruption protection Queries Active Data Guard Reporting – Zero or near-zero data loss – Automatic database failover – Offload read-only and backups Primary Test/Dev Standby Production – Datacenter #1 DR– Datacenter #2 (across AD or across Region) Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 22

Oracle Data Protection Runtime Manual Gold – Comprehensive Data Protection Capability Physical Block Corruption Logical Block Corruption Dbverify, Analyze Physical block checks Logical checks for intra-block and inter-object consistency RMAN, ASM Physical block checks Intra-block logical checks • Continuous physical block checking at standby • Detect lost write corruption, auto shutdown and failover Active Data Guard • Strong isolation to prevent single point of failure • Automatic repair of physical corruptions • Automatic database failover • Intra-block logical checks at standby Database In-memory block and redo checksum In-memory intra-block checks ASM Automatic corruption detection and repair using extent pairs Exadata HARD checks on write, automatic disk scrub and repair HARD checks on write Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 23

Unplanned Outages and Planned Maintenance Unplanned Outages Gold – Comprehensive HA and Data Protection Events Downtime Data Loss Potential Database instance failure Seconds Zero Recoverable server failure Seconds Zero Data corruptions, database unable to restart, site failure Zero to minutes Near-zero if ASYNC Zero if SYNC Online file move, reorganization/redefinition, and patching Zero Seconds Zero Platform migrations Seconds Zero Application upgrades that modify database objects Hours to days Zero Hardware or operating system maintenance and database patches that cannot be done online but are qualified for RAC rolling install Database upgrades: patch sets, full database releases Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 24

Cloud Gold MAA Next Steps • Continue reduce brownout for Data Guard Role Transitions • Incorporate MAA Data Guard Fast Start Failover best practices – DG Broker and DG settings – Observer HA Setup (future) – Far Sync Integration (future) • Automate DG migration solutions (future) • Incorporate Data Guard DBMS_Rolling solution for database upgrades – How to manage unsupported data types? How to manage batch applications? – How to minimize downtime? What happens if somethings goes wrong? Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 25

Tuning DG Failover in the Cloud especially for ATP • Tuning and fixes to reduce downtime especially with closing and opening PDBs. • Timings are reduced already for future DB releases Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 26

Topics Covered 1 MAA Evolution: On-Premise to Cloud 2 Cloud MAA Goals 3 Cloud MAA Architectures (what’s doable today) 4 Cloud MAA Configuration Best Practices (what’s there today) 5 Cloud MAA Life Cycle Operations 6 Cloud MAA with ATP Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 27

Ongoing work • Goal is incorporate MAA configuration Best Practices Check – Refer to HA Best Practices guide for essentially the checklist – Refer to MAA DG Best Practices papers for our overall checklist – Refer to Exadata best practices (exachk - Oracle Exadata Best Practices 757552. 1) – Refer to 888828. 1, 1270094. 1 and 2333222. 1 software recommendations Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 28

Database checklist Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential

Exadata uses exachk Copyright © 2018, Oracle and/or its affiliates. All rights reserved. |

Cloud MAA configuration next steps • Exachk during life cycle – GOAL: Deployment with no gaps – Cloud APIs to update latest exachk/orachk – Run exachk automatically as part of pre and post software updates – Auto-repair when possible (ATP) • Cloud Software planning – MOS 1270094. 1 – Exadata Critical Issues – MOS 2333221. 1 – Exadata Cloud Service Software Versions • MOS 888828. 1 – Exadata Software Versions – Exachk Software Planning Module Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 31

Topics Covered 1 MAA Evolution: On-Premise to Cloud 2 Cloud MAA Goals 3 Cloud MAA Architectures (what’s doable today) 4 Cloud MAA Configuration Best Practices (what’s there today) 5 Cloud Migration and MAA Life Cycle Operations 6 Cloud MAA with ATP Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 32

MAA Migration Solutions 1) Data Transfer Service, Backup/Restore, Data Pump, RMAN, PDB Ops (Downtime can be hours to days) 2) Simple Data Guard Solution (Downtime < 5 minutes) • Migration with simple, straight forward configurations • Prerequisites: Compatible Platform, Standby-First Compatible Oracle Home Software Versions • Optional: TDE encryption on target 3) Advanced Data Guard Solution that requires Database Upgrade • If current application and database can use transient logical for no downtime upgrade, then use Method 1; otherwise Method 2 – Method 1: Transient Logical Solution (Downtime range from seconds to less than 30 minutes) – Method 2: Data Guard Switchover and Upgrade Solution (Downtime < 2 hours) • Prerequisite: Compatible Platform • Optional: TDE encryption on target • Optional: Plug into Cloud 12 c+ CDB 4) Golden. Gate Hub Solution for ATP and cloud (future) (Downtime in seconds) Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 33

Simple Migration to Cloud (MOS 2386116. 1) Copyright © 2018, Oracle and/or its affiliates.

Advanced Migration with Data Guard (MOS 2326901. 1) Copyright © 2018, Oracle and/or its

Golden. Gate Hub for ATP (MAA POC phase) Copyright © 2018, Oracle and/or its

MAA Lifecycle Automation in the Cloud Easy Lifecycle Management for Cloud Databases • Migration Backup & Recovery • Backup & Recovery – Full or Point-in-Time Recovery – Instantiate new instances from backups Data Guard Operations • Data Guard Operations Database Lifecycle Snapshots & Cloning – Failover, Switchover, Reinstate operations • Database and Grid Patching – Push button deployment Patching Via UI or REST APIs Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 37

MAA Life Cycle Operational matrix Backup/Restore Data Guard -HA Data Guard - DR SW Updates (DB) SW Upgrade (GI | DB) Migration PDB LCM DBCS OCI-C Exa. CS OCI DBaa. S BM OCI DBaa. S VM OCI APIs/Console APIs/Console Some APIs* manual Some APIs* manual Some APIs* APIs/Console APIs/Console Available manual available manual manual Some APIs n/a n/a Some APIs * DG creation, DG Role Transition, Basic Monitoring. Future: FSFO with optional Far Sync, Multiple Standby Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | DBCS OCC Exa. CC

Exa. OCI Backup and Restore to / from object store (WIP ATP too) Effective Bkup Rate Backup and Restore Compression None RMAN Channels (24 * 2) = 48 Section Size (GB) 16 3 TB/hr 1. 5% - 2. 5% None (16 * 2) = 32 16 13 TB/hr 1. 5% - 2. 5% Medium (24 * 2) = 48 16 8 TB/hr 12% - 20% Medium (16 * 2) = 16 16 19 TB/hr 12% - 20% Restore (a Applies L 0 +L 1 s Worse case DR None (24 * 2) = 48 16 < 1 TB/hr 24% - 27% Restore Worse case DR Medium (24 * 2) = 48 16 ~2 TB/hr 28% - 30% Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential – Internal 40

Appendix Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Oracle Confidential

Grid Infrastructure and Database Software • Grid Infrastructure – Patch: Rolling, In-place RU apply using Opatch – initiated UI or CLI – Upgrade: 12. 2 using PILOT (MOS 2206224. 1) – follows Exadata best practices • Database – Patch: Rolling, Out-of-place using pre-built images – initiated UI or CLI Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 43

Exadata Software • Infrastructure Updates (cell, ibswitch, dom 0) – Always rolling – patchmgr initiated by ECRA CLI, run by Oracle Cloud Ops • Customer dom. U Updates – Process same as on-prem - Use latest patchmgr (i. e. dbserver. patch. zip) – Simplified cloud-specific documentation (MOS 2333222. 1) Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 44

Topics Covered 1 MAA Evolution: On-Premise to Cloud 2 Cloud MAA Goals 3 Cloud MAA Architectures (what’s doable today) 4 Cloud MAA Configuration Best Practices (what’s there today) 5 Cloud MAA Life Cycle Operations 6 Cloud MAA with ATP Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 45

MAA Evolution: Autonomous Database Customer Oracle • • • Infrastructure Management Architecture Configuration, Tuning Database Management Lifecycle Operations Application Performance Infrastructure Management Architecture Database Management Configuration, Tuning Lifecycle operations Application Performance • • • Architecture Database Management (Tooling) Configuration, Tuning Lifecycle Operations (Tooling) Application Performance On-Premises Exadata • • On-Premises • • Blueprints Feedback to products & features Blueprints Exadata is the best integrated MAA DB platform Database / Exadata Cloud • • Oracle owns and manages the best integrated MAA DB platform Cloud automation for provisioning and life cycle operations • Choosing the SLA policy • Application performance Autonomous Database • Oracle owns and manages Infrastructure • Policy driven deployments • MAA Integrated cloud • Fully automated Self. Driving, Self-Securing, Self-Repairing Database Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 46

High Availability Policy • RAC Database in a single Availability Domain, with redundant storage and networking – Nightly Backup that is replicated across ADs • Protects from the most common sources of downtime such as hardware failures, software crashes, and quarterly software updates • Service Uptime SLA per Month: 99. 95% - less than 22 minutes of downtime* • Suitable for test, development and non-mission critical production databases Region #1 Database Backups Primary Database DB Backup Service * SLA excludes AD or Regional Failures, data corruptions and certain planned maintenance tasks like major upgrades Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 47

Extreme Availability Policy • RAC Database, Redundant Networking and Storage, Active Data Guard, and Backup • Protection from hardware failures, crashes, corruptions, patches, upgrades, disasters • Service Uptime SLA per Month: 99. 995 NRX% (NRX = No Ridiculous Exclusions) – 99. 995% Uptime = at most 2 m 12 s of downtime per month – Goal is for application impact from any one event to be well under 30 seconds • Suitable for Mission Critical production databases Region #1, AD #1 Primary Database Region #1, AD #2 Active Data Guard Backup Standby Database Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 48

ATP Patching • Quarterly Patching of all components (on-demand for critical security issue) – Firmware, OS, Hypervisor, Clusterware, Database – Usage of Gold Image • Patches are applied in a rolling fashion with RAC cluster and Exadata Storage – Database is continuously available to application – Applications that implement Oracle Application Continuity best practices will run without interruption Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 49

ATP Major Release Upgrades • Upgrade to new Major Release by: – – Temporarily converting physical standby to logical standby Upgrading the logical standby Switching service over to upgraded standby Converting original primary back to physical standby • Downtime for major release upgrade reduced to near zero (just app switch) – Safer than in-place major release upgrade of production database – Based on DBMS_ROLLING procedures – If features that are not supported by logical standby are used by application, they will need to be disabled for length of upgrade, or upgrade must be done offline Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 50

Uptime Availability Enablers Cloud Automation Active Data Guard RAC Redef ASM Flashback Multitenant RMAN – Real Application Clusters – provides transparent , near-zero downtime patching, and near-zero downtime for server failover – Active Data Guard - provides DB upgrade in seconds, corruption prevention and auto repair, disaster failover, reporting offload – Redefinition – Online Redefinition provides online changes to table and index definitions – Other building blocks include ASM, RMAN, Flashback, Multitenant etc. – Exadata provides hardware fault-tolerance, fastest detection of faults and sick components, lowest brownout – Maximum Availability Architecture integration provides proven Enterprise Mission Critical Architecture, configuration best practices and life cycle operations – Cloud Automation – complete automation and testing of full stack from database to disks ensures High Availability and prevents configuration and operator issues Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 51

Automated Lifecycle Management Backup & Repair Migration Notify Data Guard HA/DR Operations it rity cu M Se on Software Updates (Patching) ing r o Software Upgrades Elastic Capacity Management Migration End-to-end Security nd ir a pa ery Re cov Re Monitoring & Notification Lifecycle Up e dat Optimize s Manage Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 52

External Reference • Maximum Availability Architecture – MAA Home: http: //oracle. com/goto/maa – On-Premises MAA: http: //www. oracle. com/technetwork/database/features/availability/oracle-databasemaa-best-practices-155386. html – Exadata MAA: http: //www. oracle. com/technetwork/database/features/availability/exadata-maa-bestpractices-155385. html – RA MAA: http: //www. oracle. com/technetwork/database/features/availability/zero-data-loss-recoveryappliance-2766885. html – Cloud MAA: http: //www. oracle. com/technetwork/database/features/availability/oracle-cloud-maa 3046100. html Copyright © 2018, Oracle and/or its affiliates. All rights reserved. | Confidential – Oracle Internal/Restricted/Highly Restricted 53

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