Robin MurgatroydTechnology Solutions ManagerOracle Corporation UK Ltd

Maximum Availability Architecture Overview

Cost of Business Interruption

Business Average Hourly Impact

Retail Brokerage $6.5 million

Credit Card Sales Authorization $2.6 million

Pay-per-View $150,000

Home Shopping Channels $113,000

Catalog Sales $90,000

Airline Reservation Centers $90,000

Tele-Ticket Sales $69,000

Package Shipping Service $28,000

ATM Fees $15,000

Source - The Standish Group - http://www.standishgroup.com

“One minute of system downtime can

cost businesses $2,500 to $10,000.”

“One minute of system downtime can

cost businesses $2,500 to $10,000.”

-- The Standish Group

“One national online brokerage firm

reported it lost over $100,000 per minute

when it‘s trading system went down.”

“One national online brokerage firm

reported it lost over $100,000 per minute

when it‘s trading system went down.”

The Five T‘s of Database Availability -- The Standish Group

High Availability as a Service Level Metric

95%95% 1818 66 00

99%99% 33 1515 3636

99.9%99.9% 00 88 4646

99.99%99.99% 00 00 5353

99.999%99.999% 00 00 55

PercentageAvailability Days

Downtime Per Year (7x24x365)Hours Minutes

99.9999%99.9999% 00 00 11

How Downtime Costs Your BusinessHow Downtime Costs Your Business

Let’s Calculate

Source http://www.oracle.com/ip/ha_calculator.html

Is your Business totally resilient?Site failure

Databasefail over

Sitefail over

Database user error

Databaseforced

fail over

Applicationscomplete

failure

Database switchover

Databasenode

failure

Automaticallymanaged by

RAC

Databaseinstancefailure

Databasecluster wide

failure

Any tier component

failureManaged

automaticallyby components

Applicationserver node

failure

Managed automatically byredundant nodes

in server farm

Best practices

Scalability

Availability

Manageability

Unplanned downtime

Can’t add moreusers or

applications

Poor servicelevels &

MTTR Targets

Multiple systemimages to

manage

= MAA

= Benefitsof MAA

= Recovery steps MAA = Maximum

Availability Architecture(9i + 9iAS + Dataguard +

RAC)

= Vulnerablepoints

Low cost hardware

Large expensivehardware required

High Availability is

Production Standby

Delayed andDelayed andZero Loss ModesZero Loss Modes

Recovery

Causes of Downtime

Maintenance &Maintenance &ContinuousContinuousOperationsOperations

ScheduledScheduledOutagesOutages

Inadequate SystemInadequate SystemDesign, Testing & ProcessDesign, Testing & Process

UnscheduledUnscheduledOutagesOutages

Data Center Data Center DisastersDisasters

HumanHumanErrorError

System FaultsSystem Faultsand Crashesand Crashes

Data andData andMedia FailuresMedia Failures

Oracle9i HAOracle9i architected for Continuous Data Availability

PlannedPlannedDowntimeDowntime

UnplannedUnplannedDowntimeDowntime

DatabaseDatabaseMaintenanceMaintenance

SystemSystemMaintenanceMaintenance

HumanHumanErrorError

Data FailureData Failure& Disaster& Disaster

SystemSystemFailureFailure

Online RedefinitionOnline RedefinitionData GuardData Guard

Partitioning, Data GuardPartitioning, Data GuardDynamic ReconfigurationDynamic Reconfiguration

Flashback QueryFlashback QueryLog Miner, Data GuardLog Miner, Data Guard

Recovery ManagerRecovery ManagerData GuardData Guard

Real Application ClustersReal Application ClustersFast Restart, Data GuardFast Restart, Data Guard

Maximum Availability Architecture

Source http://otn.oracle.com/deploy/availability/pdf/MAA_WP.pdf

3 6 9 12 15 18 21 24Months

100%

200%

300%W

o

r

k

l

o

a

d

Pay and Scale Incrementally

Cost of SMP vs Clusters

# Servers# Servers

Operating SystemOperating System

Processors/ServerProcessors/Server

ComponentComponent

Total CostTotal Cost

1132 @1.3Ghz32 @1.3Ghz

AIX 5LAIX 5L

IBM IBM eServereServerpSeriespSeries 690 690

$1,250,000$1,250,000

Source: www.ibm.com

Memory/ServerMemory/Server 64Gb64Gb

884 @2Ghz4 @2Ghz

Red Hat ASRed Hat AS

Intel/Linux Intel/Linux ClusterCluster

$232,664$232,664

Source: www.hp.com

8Gb8Gb

884 @1.2Ghz4 @1.2Ghz

AIX 5LAIX 5L

Cluster IBM Cluster IBM pSeriespSeries 650650

$431,960$431,960

8Gb8Gb

High Availability with 9iRAC

SERVER failure - your database remains available

Database‘A’

or 1 Consolidated Database00’s Little Databases

Server Philosophy

Highly Available ApplicationOracle9iAS

Source http://otn.oracle.com/deploy/availability/pdf/MAAoverview.pdf

Oracle9i Database on Linux

Performance & Scalability– reduce your cost of hardware

Availability– reduce your cost of downtime

Security– reduce your cost of patching

Manageability– reduce your cost of manageability

v

MAA for Packaged Applications

Source: FactPoint Group, May 2003

Oracle Database

76%

SQL Server3%

DB2 on Unix/NT6%

DB2 on the Mainframe

15%

Oracle Database

72%

SQL Server7%

DB2 on Unix/NT7%

DB2 on the Mainframe

14%

Oracle Database

76%

SQL Server4%DB2 on

Unix/NT0% DB2 on the

Mainframe20%

Oracle Database

73%

Microsoft SQL Server

7%

DB2 on Unix/NT7%

DB2 on the Mainframe

13%

Maximum Availability eBusiness Flow

RO

I & T

CO

ResilienceLow High

Low ROIHIGH TCO

High ROILOW TCO

Vulnerable• Many Instances• Windows• SQLServer

Migrate 9i• OEM • OC migration services• OC safe switch

Oracle9i• Any platform

Oracle9i RAC + 9i AS• 9i Real Application Clusters• 9i AS Clusters• Fewer Databases• Fewer App Servers• Any platform

Oracle9i RAC on Linux• 9i Real Application Clusters• 9i AS Clusters - MAA

Oracle9i on Linux• 9i DataGuard• 9i RAC• 9i AS Clusters• Single Instance

Oracle8i eBusiness Suite

Implement HA• 9i DataGuard• 9i SQL Apply• LogMiner

HA and performance

Single Instance

Axes are for illustrative purposes only

Medium

Safe

Vulnerable Resilient

Oracle10g• Grid

MAA – In Summary

MAA is:– Essential to Every Business

MAA is:– Simple– Redundant– Robust

MAA is:– Proven

MAA is :– Low Cost!

MAA is Oracle9i