The document discusses Oracle's Maximum Availability Architecture (MAA) reference architectures for high availability (HA) and data protection on-premises and in hybrid cloud environments. It describes the Bronze, Silver, Gold, and Platinum reference architectures that align Oracle capabilities with different levels of customer service level requirements. It also discusses using Oracle Database Backup Cloud Service for offsite backups and Data Guard/Active Data Guard for disaster recovery to the Oracle Cloud.

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Oracle Maximum Availability Architecture
HA and Data Protection On-Premises and in the Cloud
Patrik Plachý
Senior Consultant
Oracle CEE Technology Sales Consulting

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Safe Harbor Statement
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, and timing of any features or
functionality described for Oracle’s products remains at the sole discretion of Oracle.
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Program Agenda
Oracle MAA - Overview
Oracle MAA Reference Architectures
Hybrid Cloud
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Oracle Maximum Availability Architecture (MAA)
• Service-level oriented
• Prevent business outages
• Protect Oracle data
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High Availability and Data Protection
Production Copy
Database
Replication

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Oracle MAA – Customer Proven

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Oracle MAA and the Cloud
Common Platform – On Premises, Cloud, and Hybrid Cloud
On Premises On Cloud
Oracle
Database
Designed to Address the Complete Range of Business Requirements

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Program Agenda
Oracle MAA - Overview
Oracle MAA Reference Architectures
Hybrid Cloud
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2
3
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Reference Architectures – Level Set
• Developed and validated by Oracle
• Capabilities carry forward as you progress from one architecture to the next
• Achieving stated service levels requires:
– Utilization of prescribed HA capabilities
– Utilization of prescribed configuration and operational best practices
– Due diligence during pre-production testing
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Align Oracle Capabilities with Customer Service Level Requirements
Prod/Departmental
Business Critical
Dev, Test, Prod
Mission Critical
Automated restart,
restore from backup
Bronze +
Active / Active
database clustering
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Oracle MAA Reference Architectures
Silver +
Physical replication,
zero data loss, fast failover
Gold +
Advanced capabilities that make
outages transparent to users
GOLD
BRONZE
SILVER
PLATINUM
http://www.oracle.com/technetwork/database/availability/maa-reference-architectures-2244929.pdf

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Bronze Reference Architecture
Oracle
Database Cloud
Service*
On-Premises
Product/Option
Enterprise
Oracle
Database
Backup Cloud
Oracle Database
Enterprise Edition
Enterprise Manager
Express
Summary • Single instance database with auto-restart
• Restore from backup to resume service following unrecoverable outages
Requirements • All that is required for Bronze is a separate location to store backup data. This
may be as simple as a network file share, a tape library, or an offsite backup.
• Local and remote backup copies are recommended for fastest recovery and
protection against site failures
Bronze
Primary Data Center Failover Data Center
single
instance
database
*minimum required
database
files
local
backup
replicated
backup
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Bronze Capabilities Matrix
Event Downtime Data Loss Potential
Disk failure Zero Zero
Machine and recoverable database instance failures Minutes Zero
Data corruption and unrecoverable database outages Hours Since last backup
Site outages Hours to days Since last backup
Database reorg, file move, eligible one-off patches Zero Zero
Hardware and software maintenance and patching Minutes Zero
Database upgrades (patch-sets and full releases) Minutes to hour Zero
Application upgrades (modify database objects) Hours Zero

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Active database instance used for HA
• Active-Active cluster provides best HA for
machine and database instance outages and
hardware/software maintenance and patching
Replicated copy of database used for HA
• Best HA and protection against data
corruptions, database and availability domain
outages, and database upgrades
Silver Reference Architecture – Choice of Patterns
Primary Data Center Failover Data Center Failover Data Center
Availability
Domain
Availability
Domain
Primary Data Center
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Oracle RAC Data Guard

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Silver: Active-Active Cluster
Oracle
Database Cloud
Service*
On-Premises
Product/Option
EE Extreme
Performance or
Exadata Service
Oracle
Database
Backup Cloud
Oracle Database EE
Oracle RAC
Enterprise Manager
Lifecycle Mgmt Pack
Cloud Mgmt Pack
Diagnostics Pack
Tuning Pack
Silver
Summary:
Oracle RAC
Bronze +
• Active-active RAC cluster - HA for machine or database instance outages
• Auto service failover to second machine, zero downtime required for restart
• Zero downtime rolling maintenance across database instances
• All database instances open read-write to scale workload
• RAC One-Node is an option for active-passive HA if scalability is not required
Requirements • This tier adds to infrastructure requirements to support Oracle RAC: inter-node
communication, shared storage and multi-node compute
Silver
Cluster
*minimum required
Primary Data Center Failover Data Center
multi
instance
database
database
files
local
backup
replicated
backup
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Silver: Replication
Silver
Summary:
Data Guard
Bronze +
• Database replication (Data Guard) synchronizes a local HA copy in a separate
availability domain for maximum fault isolation: Independent data validation,
corruption protection, separate power, cooling, network, server, and storage.
• Automatic database failover and automatic application failover to the HA copy
• Zero data loss using synchronous replication
Requirements • This alternative adds a duplicated and separate environment to support the
synchronized copy used for HA.
• Additional configuration required for automatic database failover
Silver
Replication
*minimum required
Primary Data Center Failover Data Center
local
backup
replicated
backup
Availability Domain Availability Domain
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Oracle
Database Cloud
Service*
On-Premises
Product/Option
Enterprise
Oracle
Database
Backup Cloud
Oracle Database
Enterprise Edition
Enterprise Manager
Express

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Silver Capabilities Matrix
Event
Downtime
Cluster Replication
Data Loss Potential
Cluster Replication
Disk failure Zero Zero Zero Zero
Machine and recoverable database instance failures Zero to seconds Seconds Zero Zero
Data corruption, unrecoverable database outages,
availability domain outages (power, network, etc)
Hours Seconds
Since last
backup
Zero
Site outages
Hours
to days
Hours
to days
Since last
backup
Since last
backup
Database reorg, file move, eligible one-off patches Zero Zero Zero Zero
Hardware and software maintenance and patching Zero Seconds Zero Zero
Database upgrades (patch-sets and full releases) Minutes to hour Seconds Zero Zero
Application upgrades (modify database objects) Hours Hours Zero Zero

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Gold Reference Architecture
Oracle Database
Cloud Service*
On-Premises
Product/Option
EE Extreme
Performance or
Exadata Service
Oracle Database
Backup Cloud
Oracle Database EE
Oracle RAC
Active Data Guard
Enterprise Manager
Lifecycle Mgmt Pack
Cloud Mgmt Pack
Diagnostics Pack
Tuning Pack
Gold
Summary
Silver +
• Remote database replication using Active Data Guard eliminates S.P.O.F. for
HA from data corruptions, cluster and site outages
• Fast database failover (manual or automatic) - no downtime required for restart
• Low-downtime database rolling upgrades
• Read-only workloads are offloaded to the remote copy – all systems active
Requirements • The remote copy is completely isolated from outages impacting the primary
system: independent Oracle data validation, separate power, cooling, network,
server, storage, building, geography, etc. Remote system may have less
capacity during normal runtime and scale up to multi-instance after failover.
Gold
*minimum required
Primary Data Center Failover Data Center
multi
instance
database
database
files
local
backup
local
backup
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Gold Capabilities Matrix
Event Downtime Data Loss Potential
Disk failure Zero Zero
Machine and recoverable database instance failures Zero to seconds Zero
Data corruption and unrecoverable database outages Seconds to minutes Zero to seconds*
Site outages Seconds to minutes Zero to seconds*
Database reorg, file move, eligible one-off patches Zero Zero
Hardware and software maintenance and patching Zero Zero
Database upgrades (patch-sets and full releases) Seconds to minutes Zero
Application upgrades (modify database objects) Hours Zero
*Data Guard synchronous (zero) or asynchronous (seconds)

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Platinum Reference Architecture
Oracle
Database Cloud
Service*
On-Premises
Product/Option
EE Extreme
Performance or
Exadata Service
GoldenGate
Cloud Service
Oracle
Database
Backup Cloud
Oracle Database EE
Oracle RAC
Active Data Guard
Oracle GoldenGate
Enterprise Manager
Lifecycle Mgmt Pack
Cloud Mgmt Pack
Diagnostics Pack
Tuning Pack
Platinum
Summary
Gold +
• Data Guard replication synchronizes local (HA) and remote (DR) copies
• HA copy is deployed in a separate availability domain for maximum isolation
• Application tier in primary datacenter automatically fails over to the local HA
copy of the production database following unplanned cluster outage or
database rolling maintenance.
• Oracle GoldenGate and Edition-Based Redefinition for zero downtime upgrades
Requirements • Three complete, duplicated, separate infrastructures are required. Local HA
copy is all but geographically isolated from primary. DR copy is geographically
isolated. Advanced capabilities make local outages and all maintenance
transparent to applications. Only site outages require failover to remote copy.
Platinum
*minimum required
Failover Data Center
local
backup
local
backup
Availability Domain Availability Domain
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Primary Data Center

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Platinum Capabilities Matrix
Event Downtime Data Loss Potential
Disk failure Zero Zero
Machine and recoverable database instance failures Zero to seconds Zero
Data corruption and unrecoverable database outages,
availability domain outages (power, network, etc)
Seconds Zero
Site outages Seconds Zero
Database reorg, file move, eligible one-off patches Zero Zero
Hardware and software maintenance and patching Zero Zero
Database upgrades (patch-sets and full releases) Zero to seconds Zero
Application upgrades (modify database objects) Zero to seconds Zero

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Oracle MAA Bill of Materials
Product/Features Bronze
Silver
Cluster
Silver
Replication Gold Platinum
Virtual machine auto-restart, disk mirroring, remote replication of backups x x x x x
Oracle EE, data encryption, physical and logical data validation, RMAN, Oracle Restart,
online redef/reorg, online patching, single tenant CDB, Enterprise Manager
x x x x x
Oracle RAC, session pool draining for planned maintenance, RAC rolling patching. UCP
and FAN to automate failover of app tier connections after instance failover. RAC One
Node if service level requirements are satisfied by active-passive warm failover cluster.
x x x
Data Guard synchronous replication and Fast-Start Failover to local HA copy. UCP and
FAN to automate failover of app tier connections after DB failover. Lost-write validation.
Network encryption. Database rolling upgrade. Backups offloaded to standby.
x x
Active Data Guard asynchronous replication to remote copy (or Far Sync if zero data loss
DR is required), database rolling upgrade, lost-write detection and auto block repair on
both primary and standbys, fast backups (block-change tracking file) offloaded to
standbys. Network encryption.
x x
Application Continuity used with RAC instance failover and with Data Guard Fast-Start
Failover to local HA copy. Real-time Cascade. GoldenGate bi-directional replication for
zero downtime maintenance, Edition-Based Redefinition for application upgrades
x
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Program Agenda
Oracle MAA - Overview
Oracle MAA Reference Architectures
Hybrid Cloud
1
2
3
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Offsite Cloud Storage for Oracle Database Backups
Backup to the Cloud
Instant offsite storage
Cost effective
On-demand scalability
End-to-end security
Encryption
Compression
3-Way protection
24x7 data availability
Oracle Database
Backup Service
On-Premises Databases
Oracle 10.2 and above
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For Oracle Database using Data Guard and Active Data Guard
Disaster Recovery to the Cloud
Elastic - Instant DR
Fast failover to running copy
Use DR copy for reporting
Clone test/dev databases
Offload cloud backups
Simple physical replication
Zero data loss using Far Sync
On-Premises Databases
Oracle 11.2 and above
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Data Guard/Active Data Guard
Standby Database
Test/Dev
Reporting
www.oracle.com/technetwork/database/availability/dr-to-oracle-cloud-2615770.pdf

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Addressing Enterprise Database Requirements
Common Platform – On Premises, Cloud, and Hybrid Cloud
On Premises On Cloud
Oracle
Database
Oracle Maximum Availability Architecture and Oracle Cloud

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