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Enterprise Manager: Scalable
Oracle Management
John Kennedy
System Management Products, Server
Technologies, Oracle Corporation
Enterprise Manager 10G
Database Management
Oracle World 2003
Agenda
 Enterprise Manager 10G Design Goals
 Database Management
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Information Central and Complete Database Administration
Troubleshooting
Performance Tuning
Managing Availability
Managing Storage
Managing the Oracle Software Lifecycle
 Summary
 Q &A
Enterprise Manager 10G Design
Goals
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Facilitate management of sets of systems
Access by anybody, anywhere
Zero-implementation time-to-value
Intimate connection to Oracle
1-Hour integration, industry standards
Open schema
Deployment Modes
1. Grid Control
Enterprise
Manager
2. Database Control
Enterprise
Manager
Agent
3. Studio Mode
Agent
Enterprise
Manager
http(s)
XML
SQL*Net
Agent
Database Home Page
 “Dashboard” for the
DBA
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Database status
Host information
Availability
Performance
Alerts
 Drill-down capability
 Launch pad for all DBA
activities
Managing Groups of Databases
 Manage all your
databases from one
place
 At a glance:
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Availability
Performance
Alerts
 Drill-downs
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Database details
Host details
Storage details
Enterprise Manager Groups
 Provides an efficient way to manage large numbers of
systems
 Allows organizing the enterprise as different logical
groups and dividing work amongst users by granting
appropriate access privileges
 Allows users to create groups containing sets of
targets
 Homogeneous groups
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Group of databases
 Heterogeneous groups
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Components of a business application (database, listener,
application server, host systems)
Versatile Enterprise Manager
Job System
Job System
Enterprise
Manager
 Execute simple or
complex tasks across
100s of systems
 Pre-packaged jobs
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SQL and OS
Start-up/shutdown,
backup, patch, clone …
 Ad-hoc job creation
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Custom scripts
 Authentication
Comprehensive Database
Management
Administration
& Info Central
Lifecycle
Management
Trouble
Shooting
Enterprise
Manager
Storage
Management
Performance
Tuning
Availability
Management
Comprehensive Database
Management
Administration
& Info Central
Lifecycle
Management
Trouble
Shooting
Enterprise
Manager
Storage
Management
Performance
Tuning
Availability
Management
Information Central for the DBA
Rich Monitoring
Administrative Templates
• Real-time Measurements
• Historical Performance
• Availability and Utilization
• End-user Performance
• System Faults
• Notification Schedules
• Admin Roles / Responsibilities
• Preferences
• Credentials
• Security
Configuration
Oracle Connection
• Inventory / Licenses
• System Topology
• Discovery
• Best Practices
• Software Management
• Security Alerts
Enterprise
Manager
Complete Database Administration
Schema
Management
Database Parameter
Management
Data Export
& Import
Memory
Management
Enterprise
Manager
User
Management
Space
Management
Backup &
Recovery
Comprehensive Database
Management
Administration
& Info Central
Lifecycle
Management
Trouble
Shooting
Enterprise
Manager
Storage
Management
Performance
Tuning
Availability
Management
Troubleshooting Process
System
Baselining
• Reference Time
• Reference System
Problem
Resolution
• Session
• SQL
•…
Enterprise
Manager
Root-cause
Analysis
• Session, SQL, Host
• ADDM or Spot
Monitoring &
Alerting
• Configurable
Thresholds
• 100s Metrics
• Paging & Email
Metric Baselines
Comprehensive Database
Management
Administration
& Info Central
Lifecycle
Management
Trouble
Shooting
Enterprise
Manager
Storage
Management
Performance
Tuning
Availability
Management
Best Practice Tuning
 Oracle Database 10g Features
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Automatic Database Diagnostic Monitor (ADDM)
Policy Violations
Automated SQL Tuning
SQL Assessments
Automatic Shared Memory Tuning
Space Tuning
Policy Violations
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Automatically compares configuration to best practice rules
Oracle’s best practices, e.g.
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Parameter usage
Space
Availability
Security
New features
Database and instance-level
recommendations
Stored in EM Repository
Extensible PL/SQL
package
Comprehensive Database
Management
Administration
& Info Central
Lifecycle
Management
Trouble
Shooting
Enterprise
Manager
Storage
Management
Performance
Tuning
Availability
Management
State-of-the-Art Availability
Management
 Real Application Clusters (RAC)
 Data Guard
 Backup and Recovery
Standby System
(Data Guard)
Enterprise
Manager
Production
System (RAC)
RAC Management
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User Transparency
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Cluster awareness
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e.g. cluster cache coherency
Service / module / action and client ID
Cluster operations
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e.g. storage alerts
Cluster-aware EM jobs
RAC-specific performance
management
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Database
Hosts (OS)
Database-level alerts
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Same functionality as single instance
Node add and delete
Minimal downtime updates
Service Assurance Management
(Oracle Database 10G)
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Preferred and available instances to
deliver service
Data Guard Management
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Add and configure standby
database
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Log transport & apply monitoring
& management
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Logical and physical
Standby creation from backup
e.g. real-time log apply
Alerts
On-demand standby health check
Switch-over / fail-over
Protection mode management
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Choice of availability vs.
performance
Data Guard Section on
Database home page
Backup & Recovery Management
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Guided backup strategy creation
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Oracle recommended strategies
Custom strategies
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 Objects, window, location,
incremental / full, compression
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Guided recovery
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Flash Recovery Area aware
Disk and/or tape (3rd party media
managers)
Fine-grain restore/recovery (data file,
tablespace, archive logs, blocks)
Database and tablespace point-in-time
recovery
SPFILE & control file restoration
Backup Management
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RMAN catalog maintenance (view,
cross-check, delete, etc.)
Recovery catalog configuration
(database registration, location etc.)
Flash Recovery Area management
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Rolling forward of backups using Flash
Recovery Area
Configuration (location, size)
Alerts
Flashback Database management
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Point-in-time recovery based on
flashback logs
Configuration (en-/disable)
View usage and flashback horizon
Comprehensive Database
Management
Administration
& Info Central
Lifecycle
Management
Trouble
Shooting
Enterprise
Manager
Storage
Management
Performance
Tuning
Availability
Management
Integrated Storage Management
 Database Storage Administration
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Tablespaces
Datafiles
Redo logs
Rollback segments
Archive logs
 File Topology
 OMF Support
 Management of ASM
File Topology
 Mapping of Oracle files to
physical storage locations
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Data Files
Control Files
Redo Logs
Archive Logs
 Facilitates I/O diagnostics
and storage optimization
 Enabled for ASM, EMC,
VxVM, HP etc.
Managing ASM
Integrated Volume Manager
and Database File System
 EM Target
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In context of database
 Integrated Performance
Management
 Disk Group Configuration
 Capacity Provisioning
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Adding / Removing Disks
Online
 RAID Settings (at file level)
 Disk Repair and Rebalancing
Management
Comprehensive Database
Management
Administration
& Info Central
Lifecycle
Management
Trouble
Shooting
Enterprise
Manager
Storage
Management
Performance
Tuning
Availability
Management
System Life Cycle Management
Clone
Install
Upgrade
Configure
Patch
Activate
Uninstall
Deactivate
Operate
Host Information
Cloning
 Cloneable Entities:
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Installations (Oracle Homes)
Databases
Schemas with data (subset)
 Multicasting
 Base Image Library
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Installations
Databases
Database Cloning
 Cloning an entire database
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RMAN-based
Clone library
Online (with Archivelog
mode)
Scheduled as EM
job
 Schema Cloning
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Change Management
Pack
DBLINK-based
Schema and data
(subset) cloning
Version and platform
independent
Cloning Wizard
Automated Patch Application
 Real-time discovery of new patches
 Security patch rapid deployment dramatically reduces vulnerabilities
 Grid-wide automated application reduces down-time from human error
Determine
Applicability
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Enterprise
Manager
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Patch Published
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Apply Patch
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Repository
Update
Inventory
Oracle Inventory
Comparing Configurations
EM2Go Key Features
 All targets down / unknown / in blackout and availability details
(IAS,Host, DB,Listener,Groups)
 All critical / warning alerts, collection errors
 Database / host performance information
 Database / host metric details
 Database alert log contents
 Top SQL and view SQL assessment / statistics
 Database locks, Top session and details
 Tablespaces / datafiles / redo logs / rollback segments / control
file objects and details
 Listener TNS information
 Job information
 Simple OS & SQL Command execution
 Ability to Startup & Shutdown Databases & Listeners
Comprehensive Database
Management
Administration
& Info Central
Lifecycle
Management
Trouble
Shooting
Enterprise
Manager
Storage
Management
Performance
Tuning
Availability
Management
QUESTIONS
ANSWERS