2010 - oracle's high-availability vision - what's new in oracle database 11g release 2

8/11/2019 2010 - Oracle's High-Availability Vision - What's New in Oracle Database 11g Release 2

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Oracles High-Availability Vision:Whats New in Oracle Database 11g Release 2Juan LoaizaSenior Vice President, Oracle System Technology


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Oracle High Availability Architecture

1. Scale-Out & Low-Cost High-volume hardware All components active

2. Application Oriented Protect and recover application objects Enable online application changes

3. Integrated & Simple Availability integrated into all components Automated

4. Complete & Open Handles all planned and unplanned downtime Pluggable components


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Oracles Database HA

Server Failures

DataFailures

SystemChanges

AppChanges

UnplannedDowntime

PlannedDowntime

DataChanges


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Server Failures

DataFailures

SystemChanges

AppChanges

UnplannedDowntime

PlannedDowntime

Real ApplicationClusters (RAC)

Best-of-Breed Server ProtectionAt Lowest Cost

DataChanges


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Scale workloads across multiple low cost servers Consolidate into fewer servers and databases Runs all Oracle database applications Built-in HA

HR SALES ERP

Real Application Clusters


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A virtualized single instance database Omotion - live migration of instances

across servers Move services, then shutdown

transactional Built-in cluster failover for high availability

Better than OS level virtualization Rolling database patches Manage fewer Operating Systems

10 DBs on a node does not mean 10Operating Systems to manage

Rolling OS upgrades

New in 11.2RAC One NodeVirtualization Benefits for Oracle Databases


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DataCorruptions

StorageFailures

SiteFailures

HumanErrorsServer

Failures

DataFailures

SystemChanges

AppChanges

UnplannedDowntime

PlannedDowntime DataChanges

Best-of-Breed Data Failure ProtectionAt Lowest Cost

Flashback RMAN

Oracle SecureBackup ASM

Data Guard Streams


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0

20

40

60

80

Flashback revolutionizes error recovery View good data as of a past point-in-time Simply rewind data changes Time to correct error equals time to make error

Correction Time = Error Time + f(DB_SIZE)

Low impact, easy simple commands, no complex procedure Flashback Query, Table, Transaction, Database, Drop SQL> flashback database to ;

Enhancements in 11.2: Flashback database performance & monitoring optimizations Flashback archive support for schema evolution

R e c o v e r y

T i m

e

TraditionalRecovery

Flashback

Flashback TechnologiesError Detection & Correction

New in 11.2


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Oracle EnterpriseManager

RMAN

Data Files

Fast RecoveryArea

Tape Drive

Oracle SecureBackup Intrinsic knowledge of database

file formats and recoveryprocedures

Block validation Online block-level recovery Unused block compression Online, multi-streamed backup Native encryption

Recovery Manager (RMAN) managesDatabase Backup & Recovery

Cloud

Oracle Backup & RecoveryIntegrated Disk, Tape & Cloud Backup


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Backup compression: popular way to saveon storage

Multiple RMAN backup compression levels Choose between compression levels & backup

throughput [BASIC] | HIGH | MEDIUM | LOW

New in 11.2Multiple RMAN Compression LevelsMore Cost Savings


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Amazon S3

Oracle Secure Backup Cloud module: Backup databases to Amazon

Cloud Complements local disk and/or tape backup Eliminates IT management overhead of a disaster recovery site

Oracle Secure

Backup CloudModule

Database Files /Fast Recovery Area

RMAN

Compression / Encryption

Oracle Secure Backup Cloud ModuleOffsite Database Backups in the Cloud


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3 rd Party FSApplicationDatabase

ASMDisk

Group

ASM dynamic volume manager supports file systems ASM directly supports Clusterware files Cluster Repository, Voting Disk Built-in mirroring protects from disk failures Enables auto-repair from corrupt blocks using a valid mirror copy

Automatic Storage Management (ASM)Stores & Manages All Data


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Manage both database & file system data E.g.: Oracle & Application binaries, trace

files, alert logs, BFILEs, image files, etc. Clustered or local file system

Data stored in ASM Inherits all ASM manageability benefits

Online disk add/drop/rebalance Integrated mirroring Cross-platform

Read-Only Snapshots Up to 63 point-in-time space efficient

copies of file system Linux and Windows only in first release

Shared File System

New in 11.2ASM Cluster File SystemOracle Management of File System Data


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DataCorruptions

StorageFailures

SiteFailures

HumanErrorsServer

Failures

DataFailures

UnplannedDowntime

Active-Active AvailabilityMinimizing Downtime During Site Failures

Data Guard GoldenGate

Streams


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Network

Broker

ProductionDatabase

Logical Standby

SQL Apply

Open R/O with

Active Data Guard

TransformRedo to SQL

Physical Standby

DIGITAL DATA STORAGE

DIGITAL DATA STORAGE

Backup

Redo Apply

Sync or AsyncRedo Shipping

Boston

Chicago

Dallas

Open R/W for peripheral writes

Oracle Data GuardBest Disaster Recovery


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Active StandbyDatabase

PrimaryDatabase

Continuous redo shipping validation & apply

Automatically repair block corruptions online Primary repaired from standby and vice-versa

New in 11.2Oracle Active Data GuardAuto Block Protection

Read/WriteWorkload

Real-timeReporting


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Use Standby Database for testingand development

Eliminates cost of DR Justify full scale test and DR

environments by combining into one Preserves zero data loss while in

test/dev mode But no real time query or fast failover

Similar to storage snapshots, but: Provides DR at the same time Single copy of storage

Physical StandbyApply Logs

SnapshotStandby Perform

Testing

OpenDatabase

Back outChanges

Continuous Redo Shipping

New in 11.1Snapshot StandbyTest with Production Data Before Deployment


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Active StandbyDatabase

Automatically enforce service levels for standby queries

PrimaryDatabase

Read/WriteWorkload

Continuous redo shipping validation & apply

Query receives error if data delay exceeds SLA

Applications can redirect query to primary

New in 11.2Oracle Active Data GuardEnsure Service Levels for Query Latency

Real-timeReporting


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Additional Data Type support: Basic Table Compression

OLTP Table Compression SecureFiles

Without deduplication Online Table Redefinition Extended data type support for SDO_GEOMETRY (SQL Apply)

New in 11.2Additional Data Type SupportBoth Data Guard SQL Apply & Streams


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Critical Data Guard metrics reported on HA console

Comprehensive Data Guard MonitoringUsing Enterprise Manager 10g Release 5


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Apply1Capture

Apply2

RedoLogs

Non-OracleDatabase

Active-active databases with automaticconflict detection & optional resolution

Provides HA for custom apps whereupdate conflicts can be avoided or managed

Transparent

Gateway

Propagate

TargetDatabase

SourceDatabase

Oracle StreamsBuilt-in Oracle Database Replication Solution


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Extended Streams - XStream API for fast real-time access to changes in Oracle database Client attaches directly to Streams apply process using OCI/Java

Outbound server ( XStream Out ) Stream changes out of the Oracle database

Inbound server ( XStream In ) Stream changes from external

sources into an Oracle database

XStream

New in 11.2XStreamFast Real-Time Programmatic Access to Data Changes


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Performance optimizations of uni-directional Streams extendedto one-to-many

Faster transformations Statement DML Handlers

Up to 4x faster than procedural DML handlers New Declarative Transformation - Keep Columns

Extensive tuning throughout Streams

Improved JMS integration and faster Streams AdvancedQueuing

AQ dequeue is 30%-100% faster than previous releases

New in 11.2Better Streams Performance


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GoldenGate

Best-in-class leader in real-time data solutions Continuous Availability for heterogeneous

systems Real-time data access for Reporting Real-time data for BI, EPM, Exadata Zero-downtime migrations / upgrades to Oracle

Database and Applications

Over 400 customers with 4,000+ implementationsacross Fortune 500 companies: Financial Services,Communications, Healthcare, Public Sector, Retail &Utilities industries

Top 3 of 5 largest commercial banks Top 3 of 3 busiest ATM networks Top 7 of 10 financial data services companies Top 4 of 5 telecommunications providers Top 3 of 5 largest food & drug stores

Real-time information

Real-time Access


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GoldenGate is Oracles strategic replication solution Streams continues to be a supported Oracle Database feature Best Streams technology will be integrated into GoldenGate

GoldenGate and Streams

Oracle StreamsOracle GoldenGate


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GoldenGate and Data Guard

Information Distribution & Consolidation, Application Upgrades & Changes Use GoldenGate - heterogeneous, active-active, transformations, subsetting

Disaster Recovery / Data Protection / HA Simple Full Oracle Database Protection

Use Active Data Guard High-performance, simple, drop-in solution for HA and DR, readable at standby

Works for all apps and data types, including packaged apps that cant be changed Application desiring flexible HA, active-active, schema changes, platform changes

Use GoldenGate Avoid or manage active-active conflicts at application level

Combine the two for full database protection and information distribution

OracleActive

Data Guard

Oracle DB Primary Oracle DB Standby

HeterogeneousDistributedFully-activeSubsetReplicas

OracleGoldenGate


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Servers Add/Remove RAC nodes online No data movement needed

Storage Add/Remove ASM disks or arrays online Automatically rebalance after storage change

Clusterware, ASM Upgrade Oracle Clusterware and ASM (11g)

in an online manner

Database

Storage

Online ReconfigurationScaling on Demand


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Online Patching and Upgrades

Most one-off patches can be applied to a running Oracle instance Linux-x86, Solaris 10, HP-UX 11i [New in 11.2] Windows 32-bit and Windows 64-bit, AIX v6.1 [TL2 SP1]

More complex one-off patches can be deployed online using RAC

rolling patches (available 10 g onwards)

Database release/patchset upgrades, operating systemupgrades, platform migrations can be applied in rolling fashionusing Data Guard / GoldenGate / Streams

Data Center moves / SAN migration / Technology Refresh etc.can be done with minimal downtime using Data Guard /GoldenGate / Streams


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All index changes can be done online 11gR1 table is never locked during online index creation

Tables can be Reorganized & Redefined online Allows changing location, table type, partitioning, columns, column types Contents can be transformed as they are copied

SourceTable

UpdateTracking

TransformCopyTable

TransformUpdates

ResultTable

ContinuousQueries &Updates

StoreUpdates

Online Index & Table Redefinition


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Edition-based RedefinitionOverview

Enables online application patches and upgrades

Allows old and new version of application to co-existeven though schema is changed by new version

Capabilities primarily used by application developers

New in 11.2


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Maintains logical versions of changed databaseobjects, through:

Edition Editioning View Crossedition Trigger

PL/SQL code changes and view changes installedin the privacy of a new edition

New data changes made to newcolumns/tables not seen by old edition

Editioning view exposes a private

projection of a table into each edition Crossedition trigger propagates changes made by

old edition into new editions columns, or vice-versa

Pre-upgrade Edition

New in 11.2

Post-upgrade Edition

CrosseditionTriggers

Edition-based RedefinitionHow Does it Work?


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End-to-End Availability


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Sun Oracle Database Machine

2009 Oracle Corporation - Confidential 40

Grid is the architecture of the future Highest performance, lowest cost, incrementally scalable Redundant and Fault Tolerant

Sun Oracle Database Machine delivers the first and onlycomplete grid architecture for all data management needs

Exadata Storage Server Grid 14 High-performance storage

servers 5TB flash storage

Data is mirrored across storageservers

Oracle Database Server Grid 8 High-performance compute

servers

InfiniBand Network

40 Gb/sec fault-tolerant unifiedserver and storage network


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WAN

Protection from Server Failures Storage Failures Network Failures Site Failures

Real-time remote standby open for queries

Human error correction Database, table, row, transaction level

Online indexing and table redefinition Online patching and upgrades

RealApplication

Clusters

ASM

FastRecovery Area

ActiveData Guard

OracleSecureBackup

Database Technology Drives Availability


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Backup & Recovery Backup shows extreme performance and scalability using Exadata Full Database Backup to tape demonstrated at 7.8 TB/hr

! Limited by tape performance of 14 tape drives used in test Incremental backup to tape at 10% change rate: 70TB/hr Single RMAN backup channel runs full backup to disk at 2.5 TB/hr

Data Guard Full DR demonstrated with uncompressed loads over 2TB/hour Compressed tables reduce redo & net traffic enhancing Data Guard

5 TB/hour load rates with Data Guard into compressed tables 5 customers have implemented Data Guard on a Database Machine in

first year

Database Machine HA Metrics


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Oracle High Availability Architecture

1. Scale-Out & Low-Cost High-volume hardware All components active

2. Application Oriented

Protect and recover application objects Enable online application changes

3. Integrated & Simple Availability integrated into all components Automated

4. Complete & Open Handles all planned and unplanned downtime Pluggable components


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HA Sessions, Labs, & Demos by Oracle DevelopmentSunday , 11 October Hilton Hotel Imperial Ballroom B 3:45p Online Application Upgrade

Monday , 12 October Marriott Hotel Golden Gate B111:30a Introducing Oracle GoldenGate Products

Monday , 12 October Moscone South1:00p Oracles HA Vision: Whats New in 11.2, Room 1032:30p Oracle Streams : What's New in 11.2, Room 3014:00p Database 11g: Performance Innovations , Room 1035:30p Comparing Data Protection Solutions, Room 102

Tuesday , 13 October Moscone South11:30a Oracle Streams : Replication Made Easy, Room 30811:30a Backup & Recovery on the Database Machine, Room 30711:30a Next-Generation Database Grid Overview, Room 103 1:00p Oracle Data Guard: Whats New in 11.2, Room 104 2:30p GoldenGate and Streams - The Future, Room 270 2:30p Backup & Recovery Best Practices, Room 104 2:30p Single-Ins tance RAC, Room 300

4:00p Enterprise Manager HA Best Practices, Room 303

Tuesday , 13 October Marriott Hotel Golden Gate B1

11:30a GoldenGate Zero-Downtime Application Upgrades

1:00p GoldenGate Deep Dive: Architecture for Real-Time

Wednesday , 14 October Moscone South

10:15a Announcing OSB 10.3, Room 300

11:45a Active Data Guard, Room 103

5:00p Exadata Storage & Databas e Machine, Room 104

Thursday , 15 October Moscone South

9:00a Empowering Availabi lity for Apps, Room 300

12:00p Exadata Technical Deep Dive, Room 307

1:30p Zero-Downtime DB Maintenance, Room 103

Demos Moscone West DEMOGroundsMon & Tue 10:30a - 6:30p; Wed 9:15a - 5:15p

Maximum Availability Architecture (MAA), W-045

Oracle Streams : Replication & Advanced Queuing, W-043Oracle Active Data Guard, W-048

Oracle Secure Backup, W-044

Oracle Recovery Manager & Flashback, W-046

Oracle GoldenGate, 3709

Hands-on Labs Marriott Hotel Golden Gate B2Monday 11:30a-2:00p Oracle Active Data Guard, Parts I & II

Thursday 9:00a-11:30a Oracle Active Data Guard, Parts I & II


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Complete List of New HA FeaturesOracle Database 11g Release 2Oracle Database 11g Release 1


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Data Guard Active Data Guard:

Online block repair Query SLA

Primary with 30 standbys Parallel local & remote SYNC

transport Retrieve remaining redo from

primary before failover Improved client failover

Role-based services Broker support for ONS Support auto-client failover

for logical standby for JDBC,OCI, ODP.Net

No shutdown of RAC instancesin old standby for switchover

No shutdown moving from Max Availability to Max Protection

Comprehensive support for compressed redo transport

Data Guard (contd.) SQL Apply support of OLTP

Compression, SecureFiles,XA in RAC, OnlineRedefinition & Edition-basedRedefinition,SDO_GEOMETRY (EDS)

Use logical standby asStreams source

Streams

XStream IN & OUT Statement DML Handlers Better infrastructure to track

changes to table data New Declarative

Transformation: keep_columns Optimized one-to-many

propagation AQ: Improved JMS integration

& performance improvements Support of OLTP

Compression, SecureFiles,Online Redefinition

RAC Server pools RAC One Node Omotion

ASM

Cluster File System OCR & Voting Disk in ASM

Flashback

Flashback Database: better performance for direct loads

Flashback Database: enablewhile database is open

Flashback Database: better monitoring of progress

Flashback Transaction: trackforeign key dependency

Complete List of New HA FeaturesOracle Database 11g Release 2


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Online Patching & Upgrades

Edition-based Redefinitionusing Edition, Editioning Viewand Crossedition Trigger

Online Patching for Windows& AIX

RMAN

Multiple compression levels Target-less DUPLICATE Optimized checks for

DUPLICATE Expanded DUPLICATE

options Enhanced tablespace point-in-

time recovery usingtransportable tablespace andData Pump

Improved flexibility of SETNEWNAME

Faster transportable database

OSB 10.3

Server-less tape duplicationfor VTL using NDMP tapecopy

Better automation for tapevaulting

Support for IPv6 as well asIPv4

Supports LTO-4 tape driveencryption

Manages encryption keyseamlessly between native or LTO-4 encryption

More comprehensive backup /restore monitoring

Verification of tape device

configurations

Grid Control 10.2.0.5

HA Console MAA Advisor Minimal downtime ASM

migration & RAC conversion Streams dashboard and

improved monitoring of Streams

configurations. Database Clone from existingdatabase backups

Comprehensive OSBmanagement

OSB File SystemBackup/Restore and reports

Task based workflow for miningredo and archived logs



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Clusters Better performance, failover,

management Seamless integration with XA

and Microsoft TransactionServer

Optimized Cache Fusion

protocols

ASM Temporarily freeze I/O to

unresponsive storage andreplay writes when it returns

Rolling Upgrade for ASMinstances

Data Guard - Generic Snapshot standby Fast-Start Failover in secs Fast-Start Failover for

asynchronous mode Fast Redo Transport Redo Transport Compression

for gaps SYS user no longer required for

redo shipping Standby across Linux/Windows

on x86

Flashback

Flashback Transaction Flashback Data Archive

Data Guard SQL Apply Support XMLType data type

(CLOB) Support Transparent Data

Encryption (TDE) Apply performance improved

significantly

Support Fine Grained Auditing Support Virtual Private

Database

Data Guard Redo Apply Active Data Guard New parallel media recovery

doubles redo applyperformance

Fast Incremental Backup Better RMAN integration



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Upgrades Online patching Transient logical standby

Online Redefinition Fast add column with default

value Invisible Indexes prevent

premature use of newlycreated indexes

Online index build with NOpause to DML

No recompilation of dependentobjects

Easier to execute table DDLoperations online

Streams Support XMLType data type

(CLOB) Support Transparent Data

Encryption (TDE) Apply performance improved

significantly

Support AWR, ADDM, ASH Streams Performance Advisor Synchronous capture Table Data Comparison JMS/AQ performance

improvements

Backup & Recovery Data Recovery Advisor Intra-file parallel backup and

restore Faster backup compression Duplicate database over the

network

Integration with WindowsVolume Shadow CopyServices (VSS) API

Integrated protectionthrough ultra safe mode



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General Across the Platforms Event Marker Infrastructure Start Delivery as of CSN (Commit Sequence Number) for ef fic ient instantiation Enhanced Memory Management Deferred Apply Array Fetching to increase initial load performance

Oracle Additional data type support Spatial, IOTs, Sequences, clustered table, object table Support of Append hints (Apply only) Increased Oracle DDL text maximum size to 2MB

Filtering by User for more efficient loop detection and capture task type separation (e.g. batch vs OLTP) Expanded Support of ALO (Archive Log Only) mode for RAC environments

SQL Server SQL Server 2008 Delivery Capture of tables w ithout primary keys (SQL Server 2005)

DB2 LUW Support for Multi Dimensional Clustered Tables (MDC) Support for Materialized Query Tables (MQT)

NSK Support of HP Blades Support Primary Key Updates f rom Open Systems (e.g. Oracle to NSK)

Teradata Integration of Orac le GoldenGate Director w ith TMSM (Teradata Multi-System Manager) Support of Teradata v13 DDL replication Support for additional platforms: Solaris 10, SUSE 9/10 Full Unicode Support for Linux ODBC

Oracle GoldenGateKey Features in v10


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Oracle.com:http://www.oracle.com/ha

Oracle HA Customer Success Stories on OTN:http://www.oracle.com/technology/deploy/availability/htdocs/HA_CaseStudies.html

Maximum Availability Architecture (MAA):http://otn.oracle.com/goto/maa

MAA Assessment:http://www.oracle.com/goto/hasurvey

Resources


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AQ&Q U E S T I O N SA N S W E R S


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For More Information

search.oracle.com

or

oracle.com


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2010 - oracle's high-availability vision - what's new in oracle database 11g release 2

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