Decarbonising Buildings: Making a net-zero built environment a reality
IT Priorities for Challenging Times
1.
2. IT Priorities for Challenging and Changing Times
• Examine and cut capital expenditures
• Become more efficient to reduce operating costs
• Deliver even better service, system availability and
performance
3. Current IT Infrastructures Impede Cost Reduction
and Efficiency
• Dedicated silos are inefficient
• Sized for peak load
Middleware
• Constrained performance
Database
• Difficult to scale
Storage
• Expensive to manage
Dedicated Stacks
4. Grid Computing Virtualizes and Pools IT Resources
•Sized for peak load •Pools of shared resources
•Difficult to Scale •Re-distribute resources as needed
•Expensive to Manage •Cost efficient
5. Elements of Grid: Oracle Clusterware
• Major part of the Oracle Grid
Infrastructure
• Basis for Oracle Real
Application Clusters (RAC)
• Integrated with Oracle
Oracle Clusterware Automatic Storage
Management (ASM) and is the
basis for the Oracle ASM
Cluster File System (ACFS)
• Provides a cluster
infrastructure for all kind of
applications
6. Oracle Clusterware 11g R2- Database Server Pools
New with
11.2
AP Service HR Service
SALES Service AR Service OS Service
Sales SP ERP SP HR SP Free SP
Oracle Database 11gR2 Oracle Database 11gR2
Oracle Clusterware 11gR2
• Dynamically manage DB resources for services by Policy
• Control availability with Min, Max, & Importance attributes
• Easily Manage large clusters hosting multiple databases
Oracle Confidential
7. Elements of Grid: Real Application Clusters
• Scale workloads across
multiple low cost servers
• Consolidate into fewer servers
and databases
Real Application Clusters • Runs all Oracle database
Oracle Clusterware applications
• Built-in HA to support mission
critical workloads
• World record performance
8. RAC is Mainstream – Gartner Group
15,000
# of Customers
12,000
9,000
6,000
3,000
0
FY02 FY03 FY04 FY05 FY06 FY07 FY08 FY09
(Q2)
9. Elements of Grid: RAC One Node
• New single-instance RAC configuration :
• OMotion – migrate database to other
server, supports:
• Different processor generation,
• Different OS and DB levels.
RAC RAC RAC • Rolling patches for single instance and OS
One One One • Built-in high availability
Node Node Node
• Online upgrade to RAC
Oracle Clusterware
• Allows customer to standardize on one
database deployment and management
model
• Supported in both physical and virtual
environments
10. Elements of Grid: Automatic Storage Mngt
• Easier to manage than file
systems
• Reduces storage costs
• Provides best performance
Real Application Clusters
Oracle Clusterware
• Stores all data
New with
11.2
Automatic Storage Management
11. Grid Infrastructure: ASM Cluster File System (ACFS)
Databases Applications File Systems
Automatic Storage Management (ASM)
DB Datafiles OCR and Voting Files Oracle Binaries 3rd Party File Systems
• ASM supports ALL data
• Database files
• File systems: ACFS, 3rd-party file systems
• Shared Clusterware files: OCR and Voting disk now stored in ASM
12. Grid Infrastructure: Automatic Storage
Management (ASM)
• File system and Volume Manager for database files
• Standard database feature with Oracle 10g - SE, EE
• Stripes data across all disks to ensure balanced I/O
• Performance of raw volumes
• Replaces the need for 3rd party
• Online addition and migration of storage
• De-facto standard for RAC and grid deployments
• Foundation for Storage Grid
13. Elements of Grid: Oracle Enterprise Manager
• Reduce operational costs
• With intelligent diagnostics and
automation
• Reduce database management costs
by 40%
• Reduce configuration management
Oracle Enterprise Manager
effort by 90%
• Reduce patching and provisioning effort
by up to 98%
Real Application Clusters
Oracle Clusterware • Manage applications top-down
• From business and end-user
perspective
• Avoid online revenue losses up to 25%
Automatic Storage Management • Maximize staff productivity by 10 times
or more
• Manage entire application lifecycle
• With Application Quality Mgmt and
Compliance Solutions
• Reduce testing effort by up to 80%
• Increase test coverage by 95%
14. Consolidate with RAC and Oracle VM
• Oracle VM enables easy server
consolidation
Fusion RAC RAC Oracle
• RAC and RAC-One are the perfect Middleware Instance Instance Application
complement to Oracle VM
OVM OVM
• Cluster failover extends high
availability to virtualized databases
• RAC/RAC-One fully supported on
Oracle VM
• Deploy VMs on demand to create
additional servers for rolling
patches and load balancing
15. Tactics for Achieving Success Grid’s Strong Suit
• Consolidation
• Standardization
• Pay-as-you-grow Scale Out
• Administrative Streamlining
• Setting, Tracking and Exceeding Service Level Objectives
16. Tactics for Achieving Success Grid’s Strong Suit
• Consolidation
• Standardization
• Pay-as-you-grow Scale Out
• Administrative Streamlining
• Setting, Tracking and Exceeding Service Level
Objectives
17. Consolidation: Silo’d Environment is
Expensive and Inefficient
• Silo’d architecture
App A App B App C App D App E
results in much
Workload
Avg Utilization unused capacity
<20%
• Higher CapEx &
Server 1 Server 2 Server 3 Server 4 Server 5
OpEx
DB A DB B DB C DB D DB E
• Not Green - Requires
Database Avg Utilization more power, cooling,
<20% floor space
Server 6 Server 7 Server 8 Server 9 Server 10
Storage
18. Consolidation with Grid Computing
• Take advantage of
complementary
Avg Utilization workload peaks
Workload Freed Servers 70%
Consolidated Apps A-E
• Higher utilization
Server 1 Server 2 Server 3 Server 4 Server 5
rates and efficiency
• Lower CapEx &
Database Freed Servers Avg Utilization
OpEx
Cluster Database
70%
ABCDE
Server 6 Server 7 Server 8 Server 9 Server 10 • Green footprint
Storage Shared, Consolidated Storage Freed Storage
19. Increasing Benefits of Consolidation
DB
OS OS
DB DB DB DB Storage
OS OS OS OS
Storage Storage Storage Storage DB DB DB DB DB Consolidation
OS OS
Before Consolidation
Storage
DB DB DB DB Storage Consolidation
OS OS
DB DB DB DB Storage Storage
OS OS OS OS
Storage Storage
Storage Storage
Storage Storage OS Consolidation
Server Consolidation
20. Tactics for Achieving Success Grid’s Strong Suit
• Consolidation
• Standardization
• Pay-as-you-grow Scale Out
• Administrative Streamlining
• Setting, Tracking and Exceeding Service Level
Objectives
21. Standardization: Vendor Consolidation one
vendor, single solution
Multi-vendor Oracle Consolidated
• Oracle’s Grid consists of a full, Stack Stack
feature-rich stack
• Functionality and robustness Database RAC – 11gR2
matured, tested and proven over
last nine years
Clusterware Oracle Clusterware
• Simplifies environment and
management
• Oracle single vendor, OEM single File System File System - ACFS
mgt console
• Upgrades and Patching simplified, Volume Manager
streamlined Volume Mgt
ASM
• Fewer contracts, renewals, vendor
interdependencies O/S – Oracle
O/S
• Eliminates obstacles to timely Enterprise Linux
upgrades - can only upgrade as
fast as the last piece in the stack Hardware Hardware
is certified with all the others
22. Standardization: Single Stack Value
• Reduced complexity
• Simplified solution stack reduces finger pointing,
accelerates problem resolution
• Increases utilization and database and application uptime
• No down-time for storage provisioning or migration
• Managing storage pool vs. islands
• Single vendor cross-platform integrated solution
• Bundled and tested as one solution
• Same cross platform tools to install, configure and manage
• Avoids delays of upgrading any single element because
of multi-vendor certifications
23. Tactics for Achieving Success Grid’s Strong Suit
• Consolidation
• Standardization
• Pay-as-you-grow Scale Out
• Administrative Streamlining
• Setting, Tracking and Exceeding Service Level
Objectives
24. Grid lets you scale as you need to
Beats SMP Premium, Pay as you Grow
Year 1 Year 2 Year 3 Year 4 Year 5
Large SMP
High Upfront Cost High Ongoing Maintenance Costs Diminishing Returns
RAC Cluster + +
Low Cost Building Blocks Lowest TCO Greener and More Powerful
25. Scale Out as you Grow on Low Cost Hardware
Oracle Shared Instance
Applications A, B, C, D, E • Pay-as-you-grow scale-out
• Lower upfront CapEx and
Net
Workload
If utilization too high,
increase capacity
ongoing OpEx
• Green footprint
• Right-sized capacity planning
Server A Server B Server C Server D
• Smaller, standard machines
Scale-out on-demand running at higher utilization
• World-class clustering at all levels: • Defer equipment procurement
database, middleware, storage • Take advantage of advances in
• Scale out as workload increases hardware price-performance and
energy efficiency
• Add/Remove nodes on-demand New with
11.2
26. Tactics for Achieving Success Grid’s Strong Suit
• Consolidation
• Standardization
• Pay-as-you-grow Scale Out
• Administrative Streamlining
• Setting, Tracking and Exceeding Service Level Objectives
27. Administrative Streamlining
over 40%
• Easy Installation time savings
with 11gr2
• Standard infrastructure
• Fewer elements – especially hetergeneous, multiple vendor combinations
• Automation – manage by exception when things go wrong or policies
violated
• Role-based tools and division of responsibilities – less reliance on cross-
role dependencies
28. Cluster Health Manager
Root Cause Analysis at Cluster and System Level
• Proactively analyze cluster
state and health
• Root cause analysis
• Predict failures
• Prevent failures
• Future: Automatically and
proactively repair issues
29. EM Grid Management
• EM is able to manage the full
stack, including Oracle
Clusterware
• Manage and monitor
clusterware components
• Manage and monitor
application resources
• Automatic discovery of targets
as they join the cluster
• Support for ACFS
• Role-based Configuration
Assistant for ASM and ACFS
30. Tactics for Achieving Success Grid’s Strong Suit
• Consolidation
• Standardization
• Pay-as-you-grow Scale Out
• Administrative Streamlining
• Setting, Tracking and Exceeding Service Level Objectives
31. Setting, Tracking and Exceeding SLOs
• Oracle Enterprise Manager is the comprehensive
framework for establishing and tracking service goals
32. Oracle’s Maximum Availability Architecture
Database & Middle Tier
Server Oracle Grid Architecture
Failures
Oracle MAA Best Practices
RAC , ASM and Clusterware
Unplanned
Downtime Data
Flashback Service
ASM
Migration
Failures Secure Backup
Recovery Manager Metro- and Wide-
Active Data Guard area Clusters
System Oracle Grid Architecture
Planned Changes Rolling Upgrades/patches
Downtime
Data
Online Redefinition
Changes