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Oracle® High Availability Architecture and Best Practices
10g Release 1 (10.1)
Part Number B10726-01
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Index

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


A

alerts
Enterprise Manag er, 8-3
application failover, 10-2
configuration recommendations, 7-44
RA C not deployed, 7-47
application service brownouts, 8-9
apply instance failover, 10-2, 10-18
using SQL*Plus, 10-19
ARCH attribute of the LOG_ARCHIVE_DEST_n initialization parameter, 7-28
architecture
Data Guard only, 4-2
database only, 4-2
MAA, 4-2
Maximum Availability Architecture, 4-2
RAC only, 4-2
Streams, 4-2
archived redo log
recovering, 10-32
ARCHIVELOG mode, 7-4
archiving strategy, 7-16
ASM, 6-5
stri ping, 6-3
ASM disk group, 6-7
ASM failure groups, 6-6
ASYNC attribute, 7-29
async buffer size, 7-29
authentica tion checks, 7-31
automatic checkpoint tuning, 7-6
automatic segment space management, 7-9
auto matic storage management, 6-5
description, 3-6
striping, 6-3
automatic un do management, 7-7
availability
definiti on, 1-2

B

backup and recovery
automatic disk-based, 7-40
double failures, 7-38
flash recovery area, 7-41
Oracl e Cluster Registry, 7-43
recommendations, 7-3 6
schedule, 7-38
backup and recovery pla ns, 5-7
backup retention policy, 7-40
BACKUP VALIDATE RMAN command, 7-43
backups
incremental, 7-39
long-term, 7-39
bandwidth, 7-25
BLOCK CHANGE TR ACKING, 7-43
block checking, 7-5
block checksums, 7-4
block media recovery, 10-33
block validation, 6-8
boot disk, 6-10
brownouts, 8-9

C

capacity planning, 5-4
CFS (cluster filesystem), 6-5
change control, 5-5
change manageme nt, 5-4
change tracking, 7-40
checkpoints, 7-5
cluster filesystem, 6 -5
cluster interconnect, 6-11
Cluster Ready Services , 7-44
configuration recommendations, 7-50
CLUSTER_INTERCONNECTS initialization parameter, 7-13
clustering software, 6-13
clusterwide outage
restoring, 11-14
cold failover, 4-15
connection descriptor
parameters, 7-49
connection descriptors
produ ction instances, 7-45
connect-time failover, 7-36
control file
recovering loss, 10-30
RMAN repository, 7-42
control file copies, 7-2
CONTROL_FILE_RECORD_KEEP_TIME initialization parameter, 7-3
corruption
BACKUP VALIDATE RMAN command , 7-43
recovery, 10-22
CPUs
recommended number, 6-9
CREATE DISKGROUP statement, 6-7
CRS
configuration recommendations, 7-50

D

data corr uption
preventing, A-1
data fail ure
manual re-creation, 10-34
recovery, < a href="recover.htm#1006150">10-2, 10-22
recovery with Data Guard, 10-27
recovery without Data Guard, 10-26
RMAN block media recovery, 10-33
RMAN datafile media recovery, 10-33
using Data Guard to recover, 10-35
data failure on standby database
restoring, 11-16
data failures
file or block media recovery, 7-38
Data Guard
benefits, 3-2
choosing failover, 10-10
configuration recommendations, 7-13
connect-time failover, 7-36
failover, 10-10
monitoring wi th Enterprise Manager, 8-11
recovering from data failure, 10-35
switchover, 10-12
using Enterprise Manager to manage targets, 8-12
Data Guard failover
using SQL*Plus, 10-11
Data Guard only archite cture, 4-2
benefits, 4-7
Data Guard switchover
choosing, 10-13
using SQL*Plus, 10-13
data pro tection mode
changing, 7-24
da ta protection modes, 7-22
network configuration, 7-26
database area, 6-4
database configuration
recommendations, 7-2
database failover, 10-10
recovery, 10-2
database only architecture, 4-2
HA features and descriptions, 4-3
database patch upgrades
recommendations, 10-48
Database Resource Manager, 7-11
database switchover, 10-2, 10-12
datafile
recovering, 10-30
datafile block corruption
ANALYZE statement, 10-25
DBMS_REPAIR package, 10-25
DBVERIFY utility, 10-25
detecting, 10-23
recovery, 10-23
RMAN, 10-25
DB_FLASHBACK_RETENTION_TARGET initializa tion parameter, 7-11
DB_RECOVERY_FILE_DEST initialization parameter, 7-10
DB_RECOVERY_FILE_DEST_SIZE initialization parameter, 7-10
DB_UNIQUE_NAME initialization parameter, 7-32
DBMS_LOGSTDBY.SKIP procedure, 7-35
DBMS_REDEFINITION PL/SQL package, 10-54
DELAY parameter, 7-49
disaster recovery planning, 5-8
DNS failover, 10-7
downtime
causes, 1-4
cost, 2-3
driver version, 6-12
dropped tablespace
using Flashback Database, 10-44
dropping database objects, 10-42
dual failures
restoring, 11-20
dynamic reconfiguration
description, 3-8
< /dl>
dynamic service registration, 7-20

E

Enterprise Manager
alerts, 8-3
availab ility, 8-13
configuring listener, 8-19
Database Targets page, 8-9
HA architecture, 8-13
HA architecture recommendations, 8-15
location of Management Repository, 8-20
managing Data Guard targets, < a href="monitor.htm#1007686">8-12
managing metrics, 8-10
managing patches, 8-12
metric, 8-4
monitoring Data Guard, 8-11
Notification Rules, 8-5
performance, 8-9
Policy Vi olations, 8-12
recommended notification rules, 8-10
unscheduled outages of Enterprise Manager, 8-17
EXTERNAL REDUNDANCY clause, 6-7

< h2 class="GroupTitlesIX">F
failover
apply instance, 10-18
apply instance using SQL*Pl us, 10-19
Data Guard, 10-10
database, 10-10
RAC and Data Guard, 10-1 8
FAILOVER parameter, 7-49
failure detec tion
operating system, 6-12
fail ure groups, 6-6
FAL_SERVER and FAL_CLIENT initialization parameters, 7-20
FAST_START_MTTR_TARGET initialization parameter, 7-6
fast-start checkpointing, 7-5
fencing
operation system, 6-12
flash recovery ar ea, 6-5
backups, 7-41
description, 3-11
recommendations for configuring, 7-10
size, 7-41
tape backup s, 7-40
Flashback Database, 10-37, 10-43
description, 3-8< /dd>
enabling, 7-10
Flashback Drop, 10-37, 10-42
description, 3-8
Flashback Query, 10-36, 10-38
description, 3-7
Flashback Table, 10-37, 10-41
description, 3-8
flashback technology
example, 10-39
recovering from user error, 10-35
Flashback Transaction Query, 10-37, 10-39
description, 3-8
Flashback Version Query, 10-36, 10-38
description, 3-8
FORCE LOGGIN G mode, 7-19

G

Grid Control home page, 8-3

H

HA architectures
comparison, 4-12
HARD initiative, 3-11, 6-8, A-1
hardware
fencing, 6-10
Hardware Assisted Resilient Data (HARD) initiative, 3-11, A-1
Hardware Assisted Resilient Data initiative, 6-8
hardware components
redund ant, 6-3
high availability
busin ess impact analysis, 2-3
importance, 1-3< /dd>
importance of documentation, 5-11
operational policies, 5-2
training people, 5-11
high availability architecture
characteristics, 1-3
high availability solution
characteristics, 1-2

I

identical hardware, 6-11
index rebuilding, 10-54
initialization parameters
primary and physical standby example, 7-17
intelligent storage arrays, 6-7
interim patch upgrade, 10-45
I/O operations
load balancing, 6-4

J

JDBC fast connection failover, 7-44, 7-47
journal file systems, 6-13

L

latency
effect on primary throughput, 7-28
listener.ora file, 7-21
listener.o ra file sample, N-8
load balancers
appli cation server, 6-16
network, 6-16
load balancing
I/O operations, 6-4
LOAD_BALANCE parameter, 7-49
local archiving first, 7-17
locally managed tablespaces, 7-9
LOG_ARCHIVE_DEST_2 initialization parameter, 7-20
LOG_ARC HIVE_FORMAT initialization parameter, 7-17
LOG_ARCHIVE_LOCAL_FIRST initializ atioin parameter, 7-17
LOG_ARCHIVE_LOCAL_FIRST initialization parameter, 7-31
logging, 6-13
logic al standby archive destination, 7-17
logical standby database
configuration recommendations, 7-14, 7-33
restoring, 11-13
upgrade, 10-49
upgrades, 10-3
logical standby fa ilover
using SQL*Plus, 10-12
lo gical standby switchover
using SQL*Plus, 10-14
< dd class="L1IX">logical volume, 6-5

M

MAA, 4-2
benefits, 4-9
configuration recommendations, 7-35
Management Agent, 8-2
MAX_SERVERS initialization parameter, 7-33
Maximum Availability Architecture, 4-2
benefits, 4-9
maximum availability mode, 7-23
maximum performance mode, 7-23
max imum protection mode, 7-22
media failure
datafile recovery, 10-30
recovery, 10-22, 10-29
media recovery
performanc e, 7-32
metric
Enterprise Mana ger, 8-4
middle-tier applications
service callouts for notification, 7-50
mirroring and striping data, 6-3
mirroring disks, 6-13
monitoring
Enterprise Manager, 8-2
multiple node failures, 10-16
multiple standby instances, 7-35

N

network components
redun dant, 6-14
network configuration
performance assessment, 7-25
network recommendations
all architectures, 6-14
RAC, 6-17
network recovery objective, 2-4
network time protocol, 6-14
nod failure
m ultiple, 10-16
node failure
sin gle, 10-16
notification
RAC not deployed, 7-47
notification rules
recommended, 8-10
notifications
middle-tier applications, 7-50
NRO, 2-4
NTP, 6-14

O

object reorgan ization, 10-3
OCR
backing up, 7-43
recovering, 10-32
OCR protection, 6-9
ocrconfig tool
backi ng up Oracle Cluster Registry, 7-43
OIFCFG, 6-17
online index reorganization, 10-54
onli ne object reorganization, 10-3, 10-53
onlin e redo log file
recovering, 10-31
online redo log files
multiplex, 7-3
online reorganization
description, 3-5
online servicing, 6-3
online table reorganization, 10-54
online tablespace reorganization, 10-54
opatch
applying a patch, 10-46
listing installed software and patches, 10-47
rolling back a patch, 10-47
opatch command-line utility, 10 -45
operating system parameters, 6-13
operating syst em version, 6-12
Oracle Advanced Security, 7-31
Oracle Cluster Registry
backing up, 7-4 3
backups, 7-43
recovering, 10-32
Oracle Cluster Registry protection, 6-9
Oracle Fail Safe
description, 3-9
Oracle Interface Configuration, 6-17
Oracle Net configuratio n files
samples, N-8
outages
scheduled, 9-8
unscheduled, 9-2

P

PARALLEL_MAX_SERVERS initialization parameter, 7-34
partial site failover
network routes, 10-8
patch
applying with opatch, 10-46
rolling back, 10-47
patch level, 6-12
patch upgrade, 10-3 , 10-45
patch upgrades
rolling, 10-45
patches
managing with Enterprise M anager, 8-12
physical standby database
configuration recommendations, 7-14, 7-32
restoring, 11-10
physical standby failover
using SQL*Plus, 10-11
physical standby switcho ver
using SQL*Plus, 10-14
prima ry key constraints, 7-33
production database activated
restoring, 11-18

R
RAC
benefits, 3-2
configuration recommendations, 7-12
rolling upgrade, 10-3
supported cluster system, 6-11
RAC availability notifications, 7-47
RAC instances
registering with remote li steners, 7-13
RAC only architecture, 4-2
benefits, 4-5
RAC recovery, 10-2, 10-17
unscheduled outages, 10-15
RAC rolling upgrade, 10-45
RAC rolling upgrades
recomendations, 10-48
raw device, 6-5
Real A pplication Clusters
benefits, 3-2
real time apply, 7-20
recommendations
component characteristics, 6-2
configuring storage, 6-2
database configuration, 7-2
redundant h ardware components, 6-3
recovery catalog, 7-39
Recovery Manager
description, 3-10
using, 7-37
recovery point object ive, 2-5
recovery time objective, 2-4
redo data
secure transmission, 7-31
redo log files and groups
size, 7-3
redundant hardware, 6-10
RELY constraint, 7-33
remote archiving, 7-17
remote listeners
registering instances, 7-13
REMOTE_ARCHIVE_ENABLE initialization parameter, 7-16
rese tlogs on production database
restoring standby database, 11-18< /dd>
restoring failed instances
RAC, 11- 2
restoring failed nodes
RAC, 1 1-2
restoring RAC instance
client connections, 11-5
restoring service, 11-4
resumable space allocation, 7-9
RESUMABLE_TIMEOUT initialization paramet er, 7-10
RETENTION GUARANTEE clause, 7-8< /dd>
RETRIES parameter, 7-49
RMAN
description, 3-10
using, 7-37
RMAN autobackup, 7-39
RMAN datafile media recovery, 10-33
RMAN recovery catalog, 7-39
RMAN repository
control file, 7-42
role-based destinations, 7-17
rolling back a pa tch, 10-47
rolling patch upgrades, 10-45
rolling upgrade, 10-3
row and transaction inconsistencies , 10-37
RPO, 2-5
RTO , 2-4

S

SAME methodology, 6-3
scheduled outage planning, 5-9
scheduled outages
preparation, 9-12
primary site recovery steps, 9-9
RAC recovery, 10-17
secondary site recovery steps, 9-11
types, 9-8
secondary site outage
restoring, 11-14
secure transmission of redo data, 7-31
security policies, 5-13
security recommendations, 7-11
server hardware recommendations
all architectures, < a href="sysnet.htm#1011813">6-9
Data Guard only and MAA, 6-11
RAC only and MAA, 6-10
server parameter file, 7-12
recovering, 10-32
server parameter file samples, N-1
server software
recommendations for all architectures, 6-12
service level agreement
components, 5-3
service level agreements, 2-5
service level management, 5-2
SERVICE_NAME parameter, 7-49
services
creation, 7-50
publishing pro duction, 7-51
publishing standby, 7-51
single node failure, 10-16
site failover, 10-3
network routes, 10-5
partial, 10-7
recovery, 10-2< /dd>
WAN traffic managers, 6-18
SLA
components, 5-3
SLAs, 2-5
software area, 6-4
SPFILE, 7-12
recovering, 10-32
SPFILE samples, N-1
SQL Apply
skipping objects, 7-35
sqlnet.ora file sample, N-8
SQLNET.SEND_BUF_SIZE and SQLNET.RECV_BUF_SIZE Oracle Net parameters, 7-22
SRLs, 7-19
SSH port forwarding, 7-30
standby archive destination, 7-17
standby control file
recovering loss, 10-30
standby database
comparing logical and physical, 7-14
restoring, 11-10
stand by database unique name, 7-32
standby instances
multiple, 7-35
standby redo log
recovering, 10-31
standby redo logs, 7-19
STANDBY_ARCHIVE_DEST initialization parameter, 7-17
storage area
flash recovery area, 6-5
storage areas
database area, 6-4
software area, 6-4
storage arrays
online servicing, 6-3
storage devices
data validation, A-1
storage recommendations
Data Guard only and MAA, 6-5
RAC only and MAA, 6-5, 6-9
Streams
description, 3-4
Streams architecture, 4-2
benefits, 4-10< /dd>
supplemental logging, 7-33
swap partitions
mirroring, 6-12
switchover steps, 10-12
SYNC attribute
PARALLEL/NOPARALLEL , 7-27

T

table inconsistencies, 10-41
tablespace renaming, 10-54
TAF, 7-47
TCP parameters, 6-17
temporary file systems, 6-13
temporary tablespaces, 7-9
TIMED_STATISTICS initialization parameter, 7-7
tnsnames.ora file, 7-21
tnsnames.ora file sample, N-9
TRANSACTION_CONSISTENCY initialization parameter, 7-34
Transparent Application Failover, 7-47
transportable tablespace feature, 3-5

U

UNDO_MANAGEMENT initialization pa rameter, 7-7
UNDO_RETENTION initialization parameter, 7-7
UNDO_TABLESPACE initialization parameter, 7-7
unscheduled outages
Enterprise Manager, 8-17
primary site recovery steps, 9-4
RAC recovery, 10-15
secondary site recovery steps, 9-6
types, 9-2
upgrade
rolling f or patches, 10-45
using logical standby database, 10-3, 10-49
user error
f lashback technology, 10-35
recovery, 10-3

V

V$MTTR_TARGET_ADVICE view, 7-6
VALID_FOR attribute, 7-17
versions
op erating system, patch, driver, 6-12

W

WAN environment
tuning the network, 7-22
WAN traffic managers, 6-18