Oracle Enterprise Manager Cloud Control 13c for DBAs
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ORACLE ENTERPRISE MANAGER CLOUD CONTROL 13C FOR DBAS
GOKHAN ATIL
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INTRODUCTION
GOKHAN ATIL
▸ DBA Team Lead with 15+ years of experience
▸ Oracle ACE (since 2011)
▸ 10g/11g and R12 OCP
▸ Founding Member and Vice President of TROUG
▸ Co-author of Expert Oracle Enterprise Manager 12c
▸ Blogger (since 2008) gokhanatil.com
▸ Twitter: @gokhanatil
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INTRODUCTION
AGENDA
▸ Introduction to Enterprise Manager EM13c
▸ Why Enterprise Manager Cloud Control?
▸ Top Features for DBAs
▸ How to Start Using EM13c
▸ Maintaining Enterprise Manager
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INTRODUCTION TO EM13C
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INTRODUCTION TO EM13C
WHAT IS ENTERPRISE MANAGER CLOUD CONTROL?
▸ Enterprise Manager Cloud Control provides a centralized monitoring and management platform for IT infrastructure.
▸ Enterprise Manager can manage and monitor various targets (host, ASM, RAC, Database, Listener, Weblogic, Tomcat, Apache and more), and it’s possible to add more target types using plugins.
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INTRODUCTION TO EM13C
ENTERPRISE MANAGER CLOUD CONTROL ARCHITECTURE
▸ Agents: Collect monitoring and configuration data from the targets and executes tasks
▸ Management Server (OMS): Receives and processes data from Agents, Provides UI and Target Specific Management
▸ Repository (OMR): Persistent store for data collected from the managed TargetsNotifications
ConnectorsConsole (web/cli)
Agent
Agent
Agent
Repository Management Server
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INTRODUCTION TO EM13C
SOFTWARE LIBRARY
Filesystem repository used to store software entities such as:
▸ Software patches
▸ Virtual appliance images
▸ Gold images
▸ Application software
▸ Deployment procedures
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INTRODUCTION TO EM13C
CONSOLE AND EM CLI
▸ Console: Rich, customisableapplication accessed throughweb browser. Primary interface for interactive management of targets.
▸ EM CLI: Enterprise Manager command line interface. It’s used to manage targets from command line without a browser.
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WHY ENTERPRISE MANAGER?
WHY ENTERPRISE MANAGER CLOUD CONTROL?
▸ One tool to monitor and manage all Oracle databases
▸ Standardize and automate management tasks
▸ Produced by Oracle: Most comprehensive and up-to-date management features for Oracle databases.
▸ Easy to maintain: Familiar components (Oracle products), My Oracle Support
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WHY ENTERPRISE MANAGER?
EXTENSIBLE ARCHITECTURE
▸ Enterprise Manager 12c redesigned as base platform and extensible entities
▸ All target specific management encapsulated in target plug-ins (e.g. DB plug-in)
You don’t need to wait next version of EM13 to support Oracle DB 13c
▸ Solution Plug-ins provide additional vertical EM functionality (Cloud Application Plug-in)
▸ Supports 3rd Party Plugins (MongoDB, PostgreSQL etc)
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WHY ENTERPRISE MANAGER?
BASE FUNCTIONALITY IS FREE
▸ EM Self Management and Monitoring
▸ Agent Management
▸ EM Support Workbench + My Oracle Support integration
▸ Groups and Systems Management
▸ Information Publisher and Reporting
▸ Job System and Corrective Actions
▸ Alerts and Metric Threshold Management (excluding notifications*)
▸ Monitoring and Incident Management
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WHY ENTERPRISE MANAGER?
BASE FUNCTIONALITY IS FREE
▸ Data movement
▸ Error management
▸ Grid Infrastructure management
▸ High availability
▸ Non-structured data management
▸ Object, program and initialization parameters management
▸ Optimizer Management
▸ Patch Recommendations
▸ Pluggable Database (PDB)
▸ Resource Management
▸ Scheduler Central
▸ Security
▸ SQL Execution
▸ Space and Undo Management
▸ Support Workbench
▸ Upgrade Planner Workspace management
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WHY ENTERPRISE MANAGER?
BASE COMPONENTS DO NOT REQUIRE LICENSING
▸ Repository Database: Oracle Enterprise Edition
Dedicated to EM (+ AWR Warehouse), no data guard, no RAC
▸ Weblogic Cluster: Dedicated to Publisher and EM
▸ Oracle Business Intelligence Publisher and Business Intelligence Mobile
▸ Oracle ZFS Storage Appliance Cloning is included with Enterprise Manager Snap Clone (Oracle Cloud Management Pack for Oracle Database)
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TOP FEATURES FOR DBAS
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TOP FEATURES FOR DBAS
ARE YOUR SYSTEMS UP AND RUNNING?
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TOP FEATURES FOR DBAS
WHAT’S HAPPENING ON YOUR DATABASES?
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TOP FEATURES FOR DBAS
METRICS, ALERTS AND INCIDENTS
PREDEFINED METRICS + METRIC EXTENSIONS
WARNING AND CRITICAL THRESHOLDS MONITORING TEMPLATE
TARGETGENERATES ALERTINCIDENT RULES
INCIDENT CREATED NOTIFICATION
tablespace usage %75 warning%90 critical
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TOP FEATURES FOR DBAS
MONITORING AND INCIDENT HANDLING
▸ Create a copy of the system default Incident Rule Sets. The default rule sets are locked.
▸ Create monitoring templates, set critical metric values.
▸ Create groups. Assign monitoring templates to groups and set different notification types based on groups.
▸ Update all notification so only critical alerting is performed*. You use the EM Console to view non-critical warnings
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TOP FEATURES FOR DBAS
INCIDENT DASHBOARD
NEW ON EM13C
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TOP FEATURES FOR DBAS
CORRECTIVE ACTIONS
▸ Automate routine administrative tasks to resolve common incidents
▸ Create a corrective action (OS command, SQL, RMAN Script or EM actions such as start/stop agent)
▸ Assign the corrective action to a metric alert (on a monitoring template)
▸ Apply the monitoring template to the targets
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TOP FEATURES FOR DBAS
DATABASE PROVISIONING
Repeatable, reliable, automated, unattended deployment procedures for creating, cloning, updating databases
LIFECYCLE MANAGEMENT
PACK
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TOP FEATURES FOR DBAS
PROVISIONING ORACHK
Install and set up ORAchk from the Enterprise Manager console instead of the command line on individual hosts
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TOP FEATURES FOR DBAS
DATABASE PATCHING
▸ Integrated patching workflow with My Oracle Support (MOS). EM can recommend patches
▸ Complete, end-to-end orchestration of patching workflow using Patch Plans.
1. Create a Patch Plan
2. Select patches
3. Set the Deployment Options (Stage Location, Targets, Credentials)
4. Validation (Analyze)
5. Review and Deploy
Common issues: Directory/file permissions or disk space
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TOP FEATURES FOR DBAS
ASH ANALYTICS
▸ Interactive version of ASH Reports
▸ Select the dimensions, drill down to undertake a performance review on a single page
▸ The report can be saved (as HTML) or mailed
DATABASE DIAGNOSTICS
PACK
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TOP FEATURES FOR DBAS
ASH ANALYTICS (MULTI DIMENSIONAL ANALYTICS)
Drill into a loadmap view to display the different waits indicating the importance of each by the size of the box
DATABASE DIAGNOSTICS
PACK
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TOP FEATURES FOR DBAS
COMPARE PERIOD ADDM
Why is the database slow? Is it slower than yesterday?
DATABASE DIAGNOSTICS
PACK
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TOP FEATURES FOR DBAS
AWR WAREHOUSE
▸ Consolidation of AWR data from multiple target databases
▸ Provides long term historical information
▸ Requires Database version 11.2.0.4 or higher
▸ AWR data from source databases moves as dump files
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PACK
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TOP FEATURES FOR DBAS
EMERGENCY PERFORMANCE PAGE
EM Agent will connect directly to SGA to collect data when you navigate to Emergency Monitoring.
DATABASE DIAGNOSTICS
PACK
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TOP FEATURES FOR DBAS
REALTIME ADDM
Real-Time ADDM performs a complementary analysis, a root cause analysis that Emergency Monitoring does not provide.
DATABASE DIAGNOSTICS
PACK
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HOW TO START USING EM13C
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HOW TO INSTALL
ENTERPRISE MANAGER CLOUD CONTROL SIZING
Minimum requirements, recommended to add much more RAM to OMS.
SizeAgent Count
Target Count
OMS Machine Count*
Cores per OMS
Memory per OMS
(GB)
Database Machine
Count
Cores per Database Machine
Memory per DB
(GB)
Small < 100 < 1000 1 4 10 1 4 7
Medium >= 100< 1000
>= 1000< 10,000
2 6 12 2 (Oracle RAC)
6 10
Large >= 1000 >= 10,000 2 12 24 2 (Oracle RAC)
12 18
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HOW TO INSTALL
REQUIREMENTS FOR ENTERPRISE MANAGER 13.1.0.0
▸ You can perform fresh Install of EM 13.1.0.0 or upgrade from (12.1.0.3, 12.1.0.4, 12.1.0.5)
▸ DB Repository version supported: 12.1.0.2
▸ Weblogic versions supported: 12.1.0.3
▸ JDK version supported: 1.7.0_80
▸ BI Publisher 12.1.0.3 integrated
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HOW TO INSTALL EM13C
BEST PRACTICES FOR EM 13.1.0.0 INSTALL
▸ Download and install Oracle RDBMS 12.1.0.2 and use DB template to create database
▸ Download the EM13c installer from OTN
▸ Do not unzip the binaries files. Just execute the em13100_<platform>.bin file to invoke the installer
▸ Use EM installer to install WLS
Always refer to Official Install guide
Whenever you download a file from OTN, check if the file has correct bytes/checksum values as displayed on OTN
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HOW TO INSTALL EM13C
THE INSTALLER WILL HANDLE THE REST
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POST INSTALL TASKS
INITIAL SETUP CONSOLE
After you install, visit Initial Setup Console to complete “recommeded” post-install tasks.
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POST INSTALL TASKS
MANAGEMENT PACK ACCESS
Disable auto licensing to prevent license violations.
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DEPLOY AGENTS
DOWNLOAD AGENT SOFTWARE USING SELF UPDATE
You can download EM agents for Solaris, Linux, Windows, IBM AIX, HP-UX
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DEPLOY AGENTS
DEPLOY AGENTS (ADD HOST TARGETS)First deploy agents to hosts to convert them managed hosts, then add targets running on the host (ASM, Listener, Database)
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HOW TO BACKUP
BACKUPS
You need to back up following components:
▸ The Oracle Management Service: Filesystem backup of installed software* and backup of OMS configuration:
$OMS_HOME/bin/emctl exportconfig oms
▸ The Management Repository: Backups can be taken using RMAN
▸ The software library: Taking file system backups daily is sufficient in most cases.
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MAINTAINING ENTERPRISE MANAGER
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MAINTAINING ENTERPRISE MANAGER
HEALTH OVERVIEW
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MAINTAINING ENTERPRISE MANAGER
MANAGEMENT AGENTS
Start, stop, block, unblock, synchronise agents
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MAINTAINING ENTERPRISE MANAGER
IMPORTANT LOG LOCATIONS
▸ Management Server side:
EM_INSTANCE_BASE/em/EMGC_OMS1/sysman/log
EM_INSTANCE_BASE/user_projects/domains/GCDomain/servers/ohs1/logs
Various Logs/Trace files in a 12c OMS Installation (Doc ID 1448308.1)
▸ Management Agent side:
AGENT_INSTANCE_HOME/sysman/log
Understanding the Management Agent Logs Files (Doc ID 1386781.1)
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MAINTAINING ENTERPRISE MANAGER
KEEP YOUR ENTERPRISE MANAGER UP-TO-DATE
▸ Oracle Recommended Patches for Enterprise Manager Base Platform (MOS Doc ID 822485.1 needs update)
▸ You need to use OPatch to patch OMS and the repository DB
▸ Database Recommended Patches (MOS Doc ID 756671.1)
▸ Keep your plugins and agents up to date using “Self-Update”
▸ Agents are patched via EM
▸ Create a patch plan, check for conflicts and deploy to a test server
▸ Create a gold image and use it to mass deploy
▸ Get to know EMDIAG Troubleshooting Kits Master Index (MOS Note 421053.1) - hopefully they will be released for EM13c soon
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THANK YOU FOR ATTENDING! ANY QUESTIONS?
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