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Oracle® Database High Availability Overview
11g Release 1 (11.1)

Part Number B28281-01
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Index

A  B  C  D  E  F  G  H  I  L  M  N  O  P  R  S  T  U  V  W 

A

advisor framework, 2.4.1
ALTER DATABASE RECOVER MANAGED STANDBY statement
enabling real-time query, 2.3.4.1
applications
defining a virtual IP address, 4.1.2
online maintenance and upgrades, 2.2.4
architecture
recommendations, 4.2
architectures
extended distance Oracle RAC, 4.1.4
Oracle Application Server, 4.3.1
single-instance Oracle Database (noncluster), 4.1.1
ASM_PREFERRED_READ_FAILURE_GROUPS initialization parameter, 4.1.4
automatic failover
Oracle Data Guard, 4.1.5.1
automatic maintenance tasks, 2.4.1
automatic storage management
description, 2.1.7
Automatic Storage Management (ASM)
failure groups, 4.1.4
Fast Mirror Resync, 2.1.7
server-based mirroring, 4.1.4
storage migration, 2.2.2.7
using normal or high redundancy, 4.1.4
volume manager, 4.1.4
with Database Storage Grid, 2.3.3
Automatic Workload Repository (AWR), 2.4.1
availability
definition, 1.2

B

backing out a transaction, 2.1.6
backups
Oracle Secure Backup, 2.1.9
block recovery
using Flashback logs
Flashback technologies, 2.1.6
block recovery using Flashback logs, 2.1.6

C

Cluster Ready Services (CRS)
avoiding downtime during upgrades, 2.2.2.5
cold cluster failover, 4.1.6
Oracle Clusterware and Data Guard, 4.1.6
with Oracle Clusterware, 4.1.2
cold failover cluster
described, 4.1.2
computer failure, 1.4
corruptions
prevention and detection of block corruption, 2.1.16

D

Dark Fiber
Dense Wavelength Division Multiplexing (DWDM), 4.1.4
data block corruption
prevention and detection parameters, 2.1.16
data corruption, 1.4
data corruptions
detecting, 2.1.16
Data Guard
benefits, 2.1.3
comparing to Streams, 2.1.4
hub architecture, 4.1.5.2
Data Guard hub, 4.1.5.2
Data Recovery Advisor, 2.1.10
Database Replay, 2.4.2
Database Server Grid, 2.3.1
description, 2.3.2
Database Storage Grid, 2.3.1
description, 2.3.3
database upgrades
using Oracle Streams, 2.2.2.8
databases
applying Oracle interim patches, 2.2.2.3
server grid, 2.3.1
DB_BLOCK_CHECKING initialization parameter, 2.1.16
DB_BLOCK_CHECKSUM initialization parameter, 2.1.16
DB_LOST_WRITE_PROTECT initialization parameter, 2.1.16
DB_ULTRA_SAFE initialization parameter, 2.1.16
DBA_FLASHBACK_TRANSACTION_STATE view, 2.1.6
DBMS_FLASHBACK.TRANSACTION_BACKOUT() procedure, 2.1.6
Dense Wavelength Division Multiplexing (DWDM or Dark Fiber), 4.1.4
downtime
causes, 1.4
cost, 3.2.2
DWDM
Dense Wavelength Division Multiplexing., 4.1.4

E

endian format platforms
avoiding downtime during migration of different, 2.2.2.10
avoiding downtime during migration of same, 2.2.2.9
extended distance clusters
architecture, 4.1.4
configuring a third site for a voting disk, 4.1.4
external redundancy
ASM server-based mirroring, 4.1.4

F

failovers
fast-start, 4.1.5.1
multiple standby database architecture, 4.1.5.2
single standby database architecture, 4.1.5.1
failure groups
specifying in an extended cluster, 4.1.4
failures
computer, 1.4
probability, 4.2
site, 1.4
storage, 1.4
Fast Mirror Resync
ASM, 2.1.7
fast-start failovers
single standby database failover, 4.1.5.1
fault diagnosability infrastructure, 2.4.1
flash recovery area
description, 2.1.11
Flashback Data Archive, 2.1.6
Flashback Database
description, 2.1.6
Flashback Drop
description, 2.1.6
flashback logs
used by Flashback features, 2.1.6
Flashback Query
description, 2.1.6
Flashback Restore Points
description, 2.1.6
Flashback Table
description, 2.1.6
Flashback technology
block recovery using Flashback logs, 2.1.6
Flashback Transaction
description, 2.1.6
Flashback Transaction Query
description, 2.1.6
Flashback Versions Query
description, 2.1.6
frequency of outages, 4.2

G

grid computing, 2.3.1
Database Server Grid, 2.3.1
Database Storage Grid, 2.3.1
grids
server and storage, 2.3.1

H

Hang Manager, 2.1.15, 2.4.1
hang or slow down, 1.4
HARD initiative, 2.1.14
Hardware Assisted Resilient Data (HARD) initiative, 2.1.14
hardware RAID storage subsystem
deferring mirroring to, 4.1.4
hardware upgrades
avoiding downtime during, 2.2.2.1
high availability
applications, 4.3.1
architecture, 1.2
business impact analysis, 3.2.1
importance, 1.3
high availability architectures
comparison, 4.2
high availability solution
characteristics, 1.2
hub-and-spoke configuration
Oracle Streams, 2.1.4
human errors, 1.4

I

intelligent infrastructure, 2.4.1

L

logical standby databases, 2.1.3
transient, 4.1.5.2
lost writes, 1.4

M

Manageability Overhead (MO), 4.2
Maximum Availability Architecture
benefits, 4.1.7
memory
automatic management of, 2.2.1.2
memory advisors, 2.4.1
MEMORY_MAX_TARGET initialization parameter, 2.2.1.2
MEMORY_TARGET initialization parameter, 2.2.1.2
migrating storage
avoiding downtime, 2.2.2.7
mirroring
deferring to RAID storage subsystem, 4.1.4
multiple standby database architecture
failovers, 4.1.5.2
multiple standby database environment
using transient logical standby, 4.1.5.2
multiple standby databases
Data Guard hub, 4.1.5.2

N

nodes
virtual IP addresses, 4.1.2

O

Observer
fast-start failover, 4.1.5.1
one-off patches, 2.2.2.3
online application maintenance and upgrades, 2.2.4
online maintenance
application, 2.2.4
online reorganization
description, 2.2.3
opatch utility
patch upgrades for Oracle RAC, 2.2.2.3
operating systems
requirements for Oracle Clusterware, 4.1.2
Oracle Application Server
high availability architectures, 4.3.1
Oracle Clusterware
advantages over third-party clusterware, 4.1.2
cold cluster failover, 4.1.2
cold failover cluster, 4.1.2
configured with Data Guard, 4.1.6
configuring a third site for a voting disk, 4.1.4
Oracle Clusterware (CRS)
avoiding downtime when upgrading
upgrades, 2.2.2.5
Oracle Data Guard
configured with Oracle Clusterware, 4.1.6
multiple standby database architecture, 4.1.5.2
single standby database architecture, 4.1.5.1
Oracle Database
basic architecture, 4.1.1
with an Oracle RAC extended distance cluster, 4.1.4
with Oracle Clusterware (cold cluster failover), 4.1.2
Oracle Database with Data Guard architecture
benefits, 4.1.5
Oracle Database with Oracle RAC and Data Guard - MAA
benefits, 4.1.7
Oracle Database with Oracle RAC architecture
benefits, 4.1.3
Oracle Database with Streams architecture
benefits, 4.1.8
Oracle Enterprise Manager Grid Control, 2.4.3
Oracle interim (one-off) patches, 2.2.2.3
avoiding downtime during, 2.2.2.3
Oracle Management Agents
Oracle Enterprise Management Grid Control, 2.4.3
Oracle Management Repository
Oracle Enterprise Manager Grid Control, 2.4.3
Oracle Management Service (OMS)
Oracle Enterprise Manager Grid Control, 2.4.3
Oracle RAC
extended distance clusters, 4.1.4
Storage Area Network (SAN), 4.1.4
Oracle Secure Backup (OSB)
overview, 2.1.9
Oracle Steams
performing platform migrations, 2.2.2.8
Oracle Streams
1-N or hub-and-spoke configuration, 2.1.4
performing database upgrades, 2.2.2.8
outages
frequency, 4.2

P

physical standby databases, 2.1.3
real-time query, 2.3.4.1
planned activities
probability of failure during, 4.2
platform migrations
using Oracle Streams, 2.2.2.8
preferred read failure groups
specifying ASM, 4.1.4
probability
of different failures during unplanned and planned activities, 4.2
program global area (PGA)
automatic management, 2.2.1.2

R

Real Application Clusters
benefits, 2.1.2
real-time query standby databases, 2.1.3, 2.3.4.1
Recovery Manager (RMAN)
description, 2.1.8
recovery point objective (RPO)
description, 3.2.4, 4.2
recovery time objective (RTO)
description, 3.2.3, 4.2
restore points
Flashback, 2.1.6
Return On Investment (ROI), 4.2
rollback
transactions, 2.1.6
rolling upgrades
using transient logical standby, 4.1.5.2

S

secure communications
between tiers in grid control environments, 2.4.3
segment advisor, 2.4.1
server generated alerts, 2.4.1
server grid, 2.3.1
server-based mirroring
ASM, 4.1.4
servers
Oracle Clusterware requirements, 4.1.2
service level agreements, 3.3
single standby database architecture
failovers, 4.1.5.1
site failure, 1.4
SLAs, 3.3
Snapshot Standby Database, 2.1.3
snapshot standby database
in a multiple standby database environment, 4.1.5.2
SQL Access Advisor, 2.4.1
SQL Performance Analyzer, 2.4.2
SQL Tuning Advisor, 2.4.1
SSL
enabling for secure communications, 2.4.3
standby database hub
example configurations, 4.1.5.2
standby databases
logical standby, 4.1.5.2
snapshot standby in a multistandby database environment, 4.1.5.2
standby reader farms, 2.3.4.2
storage
migration, 2.2.2.7
mirroring to RAID, 4.1.4
Storage Area Network (SAN)
extended distance clusters, 4.1.4
storage failure, 1.4
storage grid, 2.3.1
Streams
comparing to Data Guard, 2.1.4
description, 2.1.4
system global area (SGA)
automatic management, 2.2.1.2
system upgrades
avoiding downtime during, 2.2.2.1

T

tape backups
with OSB, 2.1.9
thin client watchdog
observer for fast-start failover, 4.1.5.1
third site
for a voting disk, 4.1.4
Total Cost of Ownership (TCO), 4.2
transactions
backing out with Flashback Transaction, 2.1.6
transportable database
for unplanned downtime, 2.1.5
transportable tablespaces
for unplanned downtime, 2.1.5
transportable technologies
for unplanned downtime, 2.1.5

U

Undo Advisor, 2.4.1
undo data
used by flashback features, 2.1.6
unplanned activities
probability of failure during, 4.2
unplanned downtime
transportable tablespaces, 2.1.5
transportable technologies, 2.1.5
upgrades
application, 2.2.4
database, 2.2.2.8
with logical standby databases, 4.1.5.2

V

V$DATABASE_BLOCK_CORRUPTION view, 2.1.16
virtual IP address
defining for applications, 4.1.2
Oracle Clusterware, 4.1.2
volume manager
ASM, 4.1.4
voting disk
configuring a third site, 4.1.4

W

web scaleability
using standby reader farms, 2.3.4.2