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Oracle® Database High Availability Overview
11g Release 2 (11.2)

Part Number E10804-01
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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 

Numerics

24x365, 1.1

A

access control
security, 3.13
Active Data Guard option, 3.5.1, 5.4.1
Active Session History (ASH)
reporting on transient performance problems, 6.1
ADD COLUMN
default values for columns, 4.5.5
advisor framework, 6.1
ALTER DATABASE RECOVER MANAGED STANDBY statement
enabling real-time query, 5.4.1
analysis
determining high availability requirements, 2
applications
defining a virtual IP address, 7.1.2
online maintenance and upgrades, 4.5
architectures
extended Oracle RAC, 7.1.4
Oracle Application Server, 7.3.1
recommendations, 7.2
single-instance Oracle Database (noncluster), 7.1.1
auditing
security control, 3.13
authentication
security controls, 3.13
Automatic block repair, 3.7.9
automatic block repair, 3.18
automatic failover
Oracle Data Guard, 7.1.5.1
automatic maintenance tasks, 6.1
automatic shared memory management
dynamic memory allocation, 4.2.1
Automatic Storage Management Cluster File System (ACFS), 7.1.1
Automatic Storage Management File Systems (ASMFS), 3.8
Automatic Workload Repository (AWR), 6.1
availability
in nonclustered environments, 3.3
See Also high availability

B

backing out a transaction, 3.7.3
backups
fast recovery area, 3.9
offload from the primary database, 3.5.1
Oracle Secure Backup, 3.12
between objects, 4.5.6
block corruption
repairing, 3.18
block recovery
using Flashback logs, 3.7.9
block recovery time
reducing, 3.18
bounded recovery
fast-start fault recovery, 3.2
budget planning, 2.3.1
business impact analysis
internal knowledge management system example, 2.2.1
semiconductor manufacturer example, 2.2.1
business performance planning, 2.3.1

C

checkpointing
fast-start fault recovery, 3.2
client failover, 3.17
Cluster Ready Services (CRS)
avoiding downtime during upgrades, 4.1.5
clusters
extended, 7.1.4
cold cluster failover, 7.1.2, 7.1.6
Oracle Clusterware and Data Guard, 7.1.6
cold failover cluster
described, 7.1.2
with Oracle Clusterware, 7.1.2
components
integrated with Oracle Restart, 3.3
compressed redo data
Oracle Data Guard, 7.1.5
computer failure, 1.4
corruptions
prevention and detection, 3.19
repairing, 3.18
costs
quantifying, 2.2.2
CREATE TRIGGER statement
clauses for, 4.5.4
crossedition triggers, 4.5.1.3

D

data block corruption
automatic detection and repair, 3.18
data corruptions, 1.4
detecting, 3.19
prevention and detection parameters, 3.19
data encryption, 3.13
Data Guard
benefits, 3.5
comparing to Oracle Streams, 3.6
hub architecture, 7.1.5.3
data protection
maximizing, 1.2
Data Recovery Advisor, 3.11
data type restrictions
resolving with Extended Datatype Support (EDS), 4.1.10.1, 4.1.10.3
database
applying interim database patches, 4.1.3
Database Replay, 6.2
Database Server Grid, 5.1
description, 5.2
Database Storage Grid, 5.1
description, 5.3
database upgrades
using Oracle Streams, 4.1.10
using transportable tablespaces, 4.1.10.2
databases
applying Oracle interim patches, 4.1.3
checkpointing, 3.2
dynamic reconfiguration, 4.2.1
security, 3.13
security auditing, 3.13
security of, 3.13
server grid, 5.1
data-loss tolerance, 2.2.4
DB_BLOCK_CHECKING initialization parameter, 3.19
DB_BLOCK_CHECKSUM initialization parameter, 3.19
DB_LOST_WRITE_PROTECT initialization parameter, 3.19
DB_ULTRA_SAFE initialization parameter, 3.19
DBA_FLASHBACK_TRANSACTION_STATE view, 3.7.3
DBFS Content Store, 3.16
DBMS_FLASHBACK.TRANSACTION_BACKOUT() procedure, 3.7.3
DDL with the WAIT option, 4.5.3
dependencies, 4.5.6
DISABLE clause
FOLLOWS clause
CREATE TRIGGER statement, 4.5.4
disk group
administering with Oracle ASM, 3.8
downtime
causes, 1.4
cost, 2.2.2
planned, 4.1
unplanned, 3.1
downtime cost, 1.3
dynamic reconfiguration, 4.2.1

E

edition-based redefinition, 4.5.1
crossedition triggers, 4.5.1.3
editioning view, 4.5.1.2
editions, 4.5.1.1
editioning view, 4.5.1.2
editions, 4.5.1.1
ENABLE clause
CREATE TRIGGER statement, 4.5.4
encryption
of data, 3.13
endian format platforms
avoiding downtime during migration of different, 4.1.12
avoiding downtime during migration of same, 4.1.11
Exadata Cell, 3.15
EXCLUDE STANDBY option
of the RMAN RECOVER BLOCK command, 3.18
extended clusters
architecture, 7.1.4
overview, 7.1.4

F

failovers
fast-start, 7.1.5.1
multiple standby databases
architecture, 7.1.5.2
single standby database architecture, 7.1.5.1
failure group
administering with Oracle ASM, 3.8
Oracle ASM, 3.8
failures
computer, 1.4
probability, 7.2
site, 1.4
storage, 1.4
fast application notification (FAN)
for hardware upgrades, 4.1.1
for operating system upgrades, 4.1.1
Fast Connection Failover
for nonpooled connections, 3.4.2
Fast Mirror Resync
Oracle ASM, 3.8
fast recovery area
benefits, 3.9
description, 3.9
in a Data Guard configuration, 7.1.5
fast-start failovers
single standby database failover, 7.1.5.1
Fast-Start Fault Recovery
benefits of using, 3.2
fault diagnosability infrastructure, 6.1
flashback data archive, 3.7.10
Flashback Database
description, 3.7.8
Flashback Drop
description, 3.7.6
flashback logs
used by Flashback features, 3.7
Flashback Query
description, 3.7.1
Flashback Restore Points
description, 3.7.7
Flashback Table
description, 3.7.5
Flashback technologies
block recovery using Flashback logs, 3.7.9
Flashback technology
block recovery using Flashback logs, 3.7.9
Flashback Transaction
description, 3.7.3
Flashback Transaction Query
description, 3.7.4
Flashback Version Query
description, 3.7.2
forward crossedition triggers, 4.5.1.3
frequency of outages, 7.2
FUSE (Filesystem in Userspace) API
with Client for Database Filesystem (CDF), 3.16

G

grid computing, 5.1
Database Server Grid, 5.1
Database Storage Grid, 5.1
grids
server and storage, 5.1
growth planning, 2.3.1

H

hang or slow down, 1.4
HARD initiative, 3.19
Hardware Assisted Resilient Data (HARD) initiative, 3.19
hardware upgrades
avoiding downtime during, 4.1.1
using FAN during, 4.1.1
high availability, 1.1
24x365, 1.1
applications, 7.3.1
architecture, 1.1
architectures, 7.2
business impact analysis, 2.2.1
description, 1.1
determining requirements, 2
importance, 1.2
maximizing, 1.2
planned downtime, 4.1
planning, 2.3.1
setting manageability goals, 2.2.5
single-instance databases, 3.3
solutions, 1.1
high availability analysis framework, 2.1
high availability architectures, 2.2.5
hub-and-spoke configuration
Oracle Streams, 3.6
human errors, 1.4

I

indexes
invisible, 4.5.7
intelligent infrastructure, 6.1
interblock corruption, 1.4
intrablock corruption, 1.4
invisible indexes, 4.5.7
I/O Resource Management (IORM)
Oracle Storage Grid, 5.3

L

load balancing advisory, 3.4.2
logical corruption, 1.4
logical standby databases, 3.5.1
transient, 7.1.5.2
logical unit numbers (LUNs)
defined, Glossary
LogMiner
description, 3.14
lost writes, 1.4
LUNs
See Also logical unit numbers (LUNs)

M

making data changes, 4.5.1.1
manageability goals, 2.2.5
manageability overhead, 2.2.5
Manageability Overhead (MO), 7.2
manual block repair, 3.18
materialized views
logging control, 4.5.8
Maximum Availability Architecture
benefits, 7.1.7
media corruption
physical corruption, 1.4
memory
automatic management of, 4.2.2
memory advisors, 6.1
MEMORY_MAX_TARGET initialization parameter, 4.2.2
MEMORY_TARGET initialization parameter, 4.2.2
metadata
dependencies, 4.5.6
migrating storage
avoiding downtime, 4.1.7
migrations
Oracle Exadata Storage Server Software, 4.1.8
mirroring
Oracle ASM native, 3.8
multiple standby databases
Data Guard hub, 7.1.5.3
failovers, 7.1.5.2
using transient logical standby, 7.1.5.2

N

network server processes (LNSn), Glossary
nodes
virtual IP addresses, 7.1.2

O

Observer
fast-start failover, 7.1.5.1
one-off patches, 4.1.3
online application maintenance and upgrades, 4.5
online maintenance
application, 4.5
online reorganization
description, 4.3
online table redefinition, 4.5.9
OPatch utility
patch upgrades for Oracle RAC, 4.1.3
operating system upgrades
using FAN during, 4.1.1
operating systems
requirements for Oracle Clusterware, 7.1.2
Oracle Active Data Guard
collecting ASH samples on, 6.1
Oracle Application Server
high availability architectures, 7.3.1
security, 7.3.1
Oracle Automatic Storage Management (Oracle ASM)
benefits, 3.8
description, 3.8
distribution of files, 4.2.3
failure group, 3.8
Fast Mirror Resync, 3.8
native mirroring, 3.8
storage migration, 4.1.7
with Database Storage Grid, 5.3
Oracle Call Interface (OCI), 3.4.2
Oracle Clusterware
advantages over third-party clusterware, 7.1.2
avoiding downtime when upgrading, 4.1.5
cold failover cluster, 7.1.2, 7.1.2
configured with Data Guard, 7.1.6
Oracle Data Guard
configured with Oracle Clusterware, 7.1.6
description, 3.5
multiple standby database architecture, 7.1.5.2
single standby database architecture, 7.1.5.1
system and cluster upgrades, 4.1.2
Oracle Data Provider for .NET (ODP.NET), 3.4.2
Oracle Database
basic architecture, 7.1.1
with an Oracle RAC extended cluster, 7.1.4
with Data Guard architecture, 7.1.5
with Oracle Clusterware (cold cluster failover), 7.1.2
with Oracle RAC and Data Guard - MAA, 7.1.7
with Oracle RAC architecture, 7.1.3
with Oracle Streams architecture, 7.1.8
Oracle Database File System (DBFS), 3.16, 7.1.5
Oracle Enterprise Manager Grid Control, 6.3
Oracle Exadata Storage Server Software, 3.15
migrating, 4.1.8
upgrading, 4.1.9
Oracle Exadata Storage Server Software See Also Exadata Cell
Oracle interim (one-off) patches, 4.1.3
avoiding downtime during, 4.1.3
Oracle interim database patches
applying, 4.1.3
Oracle Management Agents
Oracle Enterprise Management Grid Control, 6.3
Oracle Management Repository
Oracle Enterprise Manager Grid Control, 6.3
Oracle Management Service (OMS)
Oracle Enterprise Manager Grid Control, 6.3
Oracle Maximum Availability Architecture (MAA)
defined, Glossary
Oracle Real Application Clusters (Oracle RAC)
applying Oracle interim database patches, 4.1.3
benefits, 3.4.2
extended clusters, 7.1.4
operating system and hardware upgrades, 4.1.1
Storage Area Network (SAN), 7.1.4
Oracle Restart, 3.3
Oracle Secure Backup
benefits, 3.12
overview, 3.12
Oracle Streams
1-N or hub-and-spoke configuration, 3.6
comparing to Data Guard, 3.6
description, 3.6
performing database upgrades, 4.1.10
performing platform migrations, 4.1.10
rolling upgrades, 4.5.2
Oracle UCP, 3.4.2
Oracle UCP runtime connection load balancing, 3.4.2
Oracle VM
Secure Live Migration, 5.5
outages
frequency, 7.2
types of, 1.4

P

performance
ASH sampling to address transient problems, 6.1
physical corruption
media corruption, 1.4
physical standby databases, 3.5.1
collecting ASH samples, 6.1
real-time query, 5.4.1
planned activities
probability of failure during, 7.2
planning
business performance, budget, and growth, 2.3.1
platform migrations
using Oracle Streams, 4.1.10
using transportable database, 4.1.11.1
policy management
security, 3.13
primary database
offload backups from, 3.5.1
prioritizing
high availability investment, 2.2.2
probability
of different failures during unplanned and planned activities, 7.2
program global area (PGA)
automatic management, 4.2.2

R

real-time query
collecting ASH samples on, 6.1
reconfiguring
databases dynamically, 4.2.1
Recovery Manager (RMAN)
benefits, 3.10
description, 3.10
recovery point objective (RPO)
defined, Glossary
description, 2.2.4, 7.2
recovery time
reducing downtime from data block corruption, 3.18
recovery time objective (RTO)
defined, Glossary
description, 2.2.3, 7.2
restore points
Flashback, 3.7.7
Return On Investment (ROI), 7.2
Return on Investment (ROI)
optimizing, 5
return on investment (ROI), 2.2.6
reverse crossedition triggers, 4.5.1.3
RMAN RECOVER BLOCK command
repairing data block corruption, 3.18
rollback
transactions, 3.7.3
rolling upgrades
Oracle Streams, 4.5.2
using transient logical standby, 7.1.5.2
row level security
virtual private database, 3.13
RPO
See recovery point objective (RPO)
RTO
See recovery time objective (RPO)
runtime connection load balancing, 3.4.2

S

secure communications
between tiers in grid control environments, 6.3
Secure Sockets layer (SSL)
enabling for secure communications, 6.3
use with grid control, 6.3
SecureFile LOBs, 3.16
security
benefits, 3.13
between tiers in firewall-protected environments, 6.3
data encryption, 3.13
description, 3.13
Oracle Application Server, 7.3.1
Oracle ASM, 3.8
RMAN, 3.10
segment advisor, 6.1
server generated alerts, 6.1
server grid, 5.1
servers
Oracle Clusterware requirements, 7.1.2
service-level agreements (SLAs), 2.1
single standby database architecture
failovers, 7.1.5.1
single-instance databases
Oracle Restart, 3.3
site failure, 1.4
SLAs, 2.1
snapshot standby database, 3.5.1
in a multiple standby database environment, 7.1.5.2
SQL Access Advisor, 6.1
SQL Performance Analyzer, 6.2
SQL Tuning Advisor, 6.1
SSL
See Secure Sockets layer (SSL)
standby databases
Active Data Guard option, 3.5.1, 5.4.1
example hub configurations, 7.1.5.3
logical standby, 7.1.5.2
snapshot standby in a multistandby database environment, 7.1.5.2
standby reader farms, 5.4.2
storage
failures, 1.4
grid, 5.1
migration, 4.1.7
Oracle ASM protection, 3.8
Storage Area Network (SAN)
extended clusters, 7.1.4
storage failures
protecting against, 3.8
system global area (SGA)
automatic management, 4.2.2
system upgrades
avoiding downtime during, 4.1.1

T

tables
editionable, 4.5.1.2
tape backups
with Oracle Secure Backup, 3.12
thin client watchdog
observer for fast-start failover, 7.1.5.1
Total Cost of Ownership (TCO), 7.2
total cost of ownership (TCO), 2.2.6
transactions
backing out with Flashback Transaction, 3.7.3
transportable database
for platform migration, 4.1.11.1
for unplanned downtime, 4.4
transportable tablespaces
for unplanned downtime, 4.4
upgrading the database, 4.1.10.2
transportable technologies
for unplanned downtime, 4.4

U

Undo Advisor, 6.1
undo data
used by flashback features, 3.7
unplanned activities
probability of failure during, 7.2
unplanned downtime
transportable tablespaces, 4.4
transportable technologies, 4.4
upgrades
application, 4.5
cluster, 4.1.2
database, 4.1.10
hardware, 4.1.1
operating system, 4.1.1, 4.1.2
Oracle Clusterware, 4.1.5
Oracle Exadata Storage Server Software, 4.1.9
Oracle Real Application Clusters (Oracle RAC), 4.1.1
rolling with Oracle Streams, 4.5.2
using crossedition triggers, 4.5.1.3
using transportable tablespaces, 4.1.10.2
with logical standby databases, 7.1.5.2

V

V$DATABASE_BLOCK_CORRUPTION view, 3.19
virtual IP address
defining for applications, 7.1.2
Oracle Clusterware, 7.1.2
virtual private database
security, 3.13
virtualization
with Oracle VM Secure Live Migration, 5.5

W

WAIT option
specifying DDL with, 4.5.3
Web scaleability
using standby reader farms, 5.4.2