Oracle Maximum Availability Architecture (MAA)20205




OracleMAA

1
2
3
Maximum Availability Architecture (MAA)

5
MAA /MAA SLA
40%
Oracle Maximum Availability Architecture(MAA)








SILVER HA+ /
PLATINUM
MAA
Oracle MAA –
Oracle Maximum Availability Architecture (MAA)

Oracle MAA

Oracle Database
Oracle Enterprise Manager Cloud Control (OEM)
• DataGuard/ ActiveDataGuard • Multitenant • ZeroDataLossRecoveryAppliance(ZDLRA) • Recovery Manager(RMAN) • Real Application Clusters (RAC) • (EBR) • OracleSharding • OracleGoldenGate (OGG)–
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Maximum Availability Architecture (MAA)
–
• • • • •
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• Oracle Clusterware
BRONZE
15
Bronze Exadata


Oracle Clusterware
• • • • ASMHA
• Grid Infrastructure
Oracle Multitenant
• CDB •
HA • • DR
• •
• • ZDLRA
Oracle Recovery Manager - RMAN
•
•
RMAN
•

RMAN
RMA
DataPump Import
Recovery Appliance Recommended



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MAA • MAA
DBMS_REDEFINITION • /// • •
• DDL • V$online_redef

12.1 move partition Drop index Set unused columnalter column visible/invisiblealter index unusable alter index visible/invisible alter index parallel/noparallel
12.2 Alter table move Alter table Alter table split partition Create table for exchange //
18.119c Alter table modify partitioned table Alter table merge partition/sub-partition
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• •
-1 abby 1234 officer
-2 ben 8834 mgr
-3 Charlie 9837 officer
-n tom 8793 vp
-1 tom 1234 vp
-2 ben 8834 vp
-3 charlie 9837 vp
-n tom 8793 vp
DB @ T1 DB @ T2
Batch Update


/
SILVER


f1: RPO=0 f2: 0

Application Tier
Database Services



TAC
• Oracle Real Application Clusters
•

3
1
4
6
5
2. RAC
3.
4.


1. MAAMAA
2. RHPhelperExadataMOS 2385790.1 3. MAA
31Copyright © 2020, Oracle and/or its affiliates | 31
• MAA • AD
•
GOLD DG FSFO


Oracle
Data Guard
I/O Symmetrix AB
EMC BLOG
Gold –


Oracle Active Data Guard

ASM
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Oracle Active Data Guard
• • • •
•

ADG
• ADG_REDIRECT_DMLDML • ADG_REDIRECT_DMLADG_REDIRECT_PLSQL
DML
DML
DML
DML

• PHYSICAL_STANDBYPRIMARY

• Oracle Database 18c – • Oracle Database 19c –Oracle RAC
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REDO Apply Active Data Guard
1480
2752
5000
7000
6000
5000
4000
3000
2000
1000
19c
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• • plug/unplugPDB
•
PDB
CDB 2 /
CDB1PDB2CDB2
PDB 1 PDB 2 CDB 1 Oracle Data Guard
CDB 2 /
Multitenant “Gold” MAA
RTO RPO
0
2
2
Active Data Guard DBMS_ROLLING
CDB PDB
PDB
1
CDB1
CDB2
2
1. create pluggable database Red; 4. create pluggable database Brown; 6. create pluggable database Grey from
Grey@CDB2_Link refresh mode every 2 minutes;
2. create pluggable database Red from Red@CDB1_Link refresh mode every 2 minutes;
3. create pluggable database Gold; 5. create pluggable database Grey;
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PDB
1
2
1. alter pluggable database Grey refresh mode every 2 minutes from Grey@dblink switchover;
CDB1
CDB2
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1. alter pluggable database Grey refresh; 2. alter pluggable database Grey refresh
mode none; 3. alter pluggable database Grey open read
write;
PDB
f1: RPO=0 f2: 0
f3Global Data Services
Gold + • Oracle GoldenGate/
• AD AD
• Oracle GG
•
0f3
GoldenGate2
GoldenGate2
Oracle GoldenGate Microservices Architecture
OracleOracle
O r a c l e O r a c l e



Ser vice

Dist. Ser vice
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GoldenGatePlatinum
www.oracle.com/goto/zdm
OracleGoldenGate MAA
2 • • West Coast NAS – • East Coast NAS –
• 2AD
• 1ADAD • AD


–

GoldenGate2
• • •


GoldenGate2
•

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Oracle GoldenGate‘’/ /
Active Data Guard
https://www.oracle.com/jp/database/technologies/high-availability/sharding.html


1
MAA
Oracle MAA
13
RMAN
Oracle Real Application Clusters (Oracle RAC)
TAC
Gold –
19c
Active Data GuardSDB
65