2021/5/27に実施された「SIOS Availability Forum」における、日本オラクル株式会社 丸川 祐考による、「高可用性プラクティスMAAを活用したクラウド時代のシステム構築」の講演資料です。 イベントサイトはこちら https://mk.sios.jp/sios-availability-forum 講演アブスト -- クラウドは本格的な普及期を迎え、可用性を求める基幹システムの稼働事例も増えています。 オラクルは、こういったミッションクリティカルなシステムをどう堅牢に稼働させるかについて、データベースを中心に豊富な実績を持ち、知見をMAA(Maximum Availability Architecture)というプラクティスにまとめてきました。 本セッションでは、MAAをクラウドで活用し大規模基幹システムを稼働したお客様事例を中心に、クラウド時代に求められる高可用性システム構築のエッセンスについてお伝えします。

1. MAA
Oracle Maximum Availability Architecture on Oracle Cloud Infrastructure
Solution Engineer & Groundbreaker Advocate

2. Design For Failure – !
Copyright © 2021, Oracle and/or its affiliates.
2
•
• Oracle Cloud
• IaaS/PaaS
•
OS
IaaS
OS
PaaS
OS
SaaS

3. Copyright © 2021, Oracle and/or its affiliates.
3
• (Fault Tolerances) (Resiliency) 領
•
!
• or
•
How?

4. Copyright © 2021, Oracle and/or its affiliates.
4
MAA – Maxiumum Availability Architecture
? ?

5. https://www.oracle.com/jp/database/technologies/high-availability/maa.html
Oracle Maximum Availability Architecture
Oracle
Oracle
MAA SLA
データベースから発展し、クラウド、ミドルウェア、アプリケーションなどの
システムの広い領域をカバー
⾼可⽤性、ディザスタ・リカバリおよびデータ保護を重視
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5

6. Oracle Maximum Availability Architecture
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Bronze Platinum 4

7. BRONZE -
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7
: RPO < / RTO <
• ( )
•
• Web/AP DB
•
• DB
FD1
Backup
LB Subnet
Web/AP Subnet
DB Subnet

8. SILVER -
Copyright © 2021, Oracle and/or its affiliates.
8
: RPO 0 / RTO <30
• ( )
•
•
• Web/AP DB
FD2
Backup
LB Subnet
Web/AP Subnet
DB Subnet
FD1
Database (RAC or Data Guard)

9. GOLD & PLATINUM -
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9
: RPO <30 / RTO <30
: RPO 0 / RTO 0
• ( )
• Active-Active Active-
Passive
•
•
• Web/AP DB
FD1 FD2 FD1 FD2
or
Data Guard
Replication
(rsync )
DNS
WebAP WebAP
Database (RAC) Database (RAC)
Backup Backup

10. GOLD & PLATINUM –
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10
: RPO <30 / RTO <30
: RPO 0 / RTO 0
•
• OCI DNS /
• / Data Guard
GoldenGate RMAN
FD1 FD2
Data Guard
GoldenGate
Replication
(rsync )
DNS
WebAP WebAP
Database (RAC) Database (RAC)
Backup
SLB
RMAN Backup
FastConnect

11. Press Release
Oracle Cloud Infrastructure
Oracle Cloud Infrastructure
Oracle Exadata 100
2 200
2 Oracle
Exadata Cloud Service
Tokyo, Japan—2021/03/01
• Oracle Cloud Maximum Availability
Architecture(MAA)
24
365 頃
•
Oracle Real Application
Testing
• Oracle
GoldenGate Oracle GoldenGate
Veridata
3
Copyright © 2021, Oracle and/or its affiliates.
11

12. • ( )
•
•
• DB Data Guard
• AP
•
MAA GOLD
Copyright © 2021, Oracle and/or its affiliates.
12
DNS
FD1 FD2
Database (RAC)
WebAP
FD1 FD2
Database (RAC)
WebAP
Backup Backup
or
Data Guard
Replication

13. Copyright © 2021, Oracle and/or its affiliates.
13
Oracle Cloud Infrastructure における
MAAの構成要素

14. SLA
SLA
• (Availability)
• (Management)
• (Performance)
https://cloud.oracle.com/ja_JP/iaas/sla
Oracle Enterprise SLA (Service Level Agreement)
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14

15. 2021 5 29 9
Oracle Cloud Infrastructure Global Footprint
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15
SAN JOSE, CA
PHOENIX
CHICAGO
ASHBURN
TORONTO MONTREAL
SANTIAGO
VINHEDO
SAO PAULO
NEWPORT
AMSTERDAM
FRANKFURT
ZURICH
LONDON
SWEDEN
ITALY
FRANCE
JEDDAH
ISRAEL
DUBAI
MUMBAI
HYDERABAD
SINGAPORE
CHUNCHEON
SEOUL TOKYO
OSAKA
JOHANNESBURG
SYDNEY
MELBOURNE
Commercial
Commercial Planned
Government
Government Planned
Microsoft Interconnect Azure
SAUDI 2
UAE 2
/
2
(
- )
Oracle Backbone

16. Oracle Cloud Infrastructure
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16
REGION A :
•
(AD):
•
•
(FD):
•
•
• AD FD
AVAILABILITY DOMAIN 1 AD 2
REGION B
Fault
Domain 1
FD 2 FD 3
AD 3
REGION C
メンテナンス等の影響を受けない
- AD×1 FD×3

17. OCI
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17
1 1
1
2
3
1
2
3
Transit POP Transit POP
1AD
• x 1
• x 3
• Transit POP (FastConnect ) x 1
• : Equinix TY4

18. VIP-2
IP-1
Virtual IP IP
Copyright © 2021, Oracle and/or its affiliates.
18
ORACLE CLOUD INFRASTRUCTURE (REGION)
AD-1 AD-2
IP-1
VIP-2
VNIC1
primary
Regional Subnet
10.0.1.0/24
VNIC1
primary
primary primary
IP
• NIC(VNIC)
IP ( VIP-2)
• VM1 VIP-2 VM2
• IP
:
Pacemaker IP AD
VM1 VM2

19. HA
Copyright © 2021, Oracle and/or its affiliates.
19
• read/write
•
• /
• / –
• –
• / - read/write – sharable
•
• OCI
• OCI Oracle RAC OCI Database ExaCS
ADB PaaS IaaS RAC
or

20. Oracle DB
Exadata Cloud Service Autonomous Database
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20
Oracle Database
Exadata
•
•
• Real Application Cluster & Oracle Clusterware : DB
• Service :
• SCAN Listener :
• Automatic Storage Management :
Oracle Clusterware
Real Application Clusters
Service
Automatic Storage Management
SCAN Listener

21. PaaS Data Guard
Copyright © 2021, Oracle and/or its affiliates.
21
AD-1 AD-2
Region-A
Standby DB
Exadata
System
Primary DB
Exadata
System
Standby DB
Exadata
System
同⼀AD 別AD
DBCS : Data Guard
• AD AD DB
1
• Data Guard Broker
• Data Guard
(2 30)
White Paper: Hybrid Data Guard to Exadata Cloud
Services
OCI Documentation(英語) Exadata DB System > Using Oracle Data Guard with Exadata DB Systems
OCI Documentation(日本語) Exadata DB システム> Exadata DBシステムでのOracle Data Guardの使用
Region-B
AD-1
別リージョン
Standby DB
Exadata
System

22. https://bccs.sios.jp/news/2020/oracle_cloud_ha.html
SIOS Lifekeeper HA
Copyright © 2021, Oracle and/or its affiliates.
22

23. DB
•
Oracle Real Application Clusters
•
•
•
• TAC 1
• :
(TAC)
Copyright © 2021, Oracle and/or its affiliates.
23
/

24. DB 1 1
Copyright © 2021, Oracle and/or its affiliates.
24

25. Copyright © 2021, Oracle and/or its affiliates.
25
DR
-
- VPN
-
• VCN
• (B38327)
- 10TB/ :
- 10TB / : 3 /GB
•
- FastConnect
OCI OCI
OCI

26. OCI
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26
User
Recursive
Server
OCI DNS
Primary Region
Redundant Region
Outage
Available
OCI DNS
OCI
•
•
• ASN
• IP

27. OCI
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27
Traffic Management DNS Alarm
OCI UI
Your
Server
@ OCI
• 23 Vantage Point AWS, Azure,
GCP
– North and South America
– Europe
– Asia & Australia
• HTTP , HTTPS , Ping(TCP , ICMP)
• Optional HTTP Header value check

28. Zero Down Time Migration/Upgrade
GoldenGate
1) 2) 3)
DB DB DB DB DB DB
GoldenGate GoldenGate GoldenGate
28 Copyright © 2020 Oracle and/or its affiliates
Copyright © 2021, Oracle and/or its affiliates.
28

29. Copyright © 2021, Oracle and/or its affiliates.
29
ü Design For Failure :
ü
ü
ü MAA(Maximum Availability Architecture)

30. Oracle Cloud Infrastructure
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30
Oracle Cloud Infrastructure
• https://oracle-japan.github.io/ocidocs/
- Oracle Cloud Infrastructure
• https://oracle-japan.github.io/ocitutorials/
Oracle
• https://www.oracle.com/search/events/
( Filter Locations -> Asia Pacific -> Japan )
Oracle Cloud Infrastructure – General Forum ( )
• https://cloudcustomerconnect.oracle.com/resources/9c8fa8f96f/summary

31. Oracle Cloud Service
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31
Oracle Cloud Service
l 30 300
l
l 1 Oracle Cloud Infrastructure
PaaS / IaaS
l
Oracle Cloud Service
!
l FAQ
https://faq.oracle.co.jp/app/answers/detail/a_id/2809