oracle enterprise manager cloud control 13c for dbas
TRANSCRIPT
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ORACLE ENTERPRISE MANAGER
CLOUD CONTROL 13C FOR DBAs
Gökhan Atıl
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GÖKHAN ATIL
➤ DBA Team Lead with 15+ years of experience
➤ Oracle ACE Director (2016)ACE (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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AGENDA
➤ Introduction to Enterprise Manager Cloud Control
➤ Why Enterprise Manager Cloud Control?
➤ Top Features for DBAs
Monitoring
Performance Tuning
Provisioning
➤ Tips for Using EM13c
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WHAT IS ENTERPRISE MANAGER CLOUD CONTROL?
➤ Centralised monitoring and management platform
➤ Agents: Collects monitoring and configuration data
➤ Management Server (OMS): Receives and processes data from Agents
➤ Repository (OMR): Persistent store for collected data
Agent
Agent
Agent
Repository Management Server
Connectors
Notifications
Console (web/cli)
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➤ One tool to monitor and manage all Oracle databases
➤ Standardise (and automate) management tasks
➤ Extensible Architecture:
➤ Supports 3rd party plugins (MongoDB, PostgreSQL)
➤ Easy to maintain: Familiar components(Weblogic, Oracle DB, My Oracle Support)
➤ Base Functionality is Free (it's hard to beat free!)
WHY ENTERPRISE MANAGER CLOUD CONTROL?
No Data Guard No Real Application Clusters
Dedicated to EM13cNo Extra License
Required
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ENTERPRISE MANAGERTop Features for DBAsME
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YOU NEED TO MONITOR YOUR DATABASES
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COMPREHENSIVE MONITORING CAPABILITIES
➤ Monitoring for on-premise, hybrid, and Oracle Cloud Platform
➤ Oracle-recommended metrics and thresholds
➤ Incident Management
➤ Metric data stored in the Management Repository (can be used for reporting)
➤ Real-time performance charts
➤ E-mail and pager notifications
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METRICS, ALERTS AND INCIDENTS
PREDEFINED METRICS
+ Metric Extensions
WARNING & CRITICAL THRESHOLDS
MONITORING TEMPLATE
TARGETALERTSINCIDENT RULES
INCIDENT CREATED NOTIFICATION
tablespace usage %75 warning %90 critical
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INCIDENT MANAGEMENT
➤ Assign
➤ Set Priority
➤ Escalate
➤ Clear
➤ Acknowledge
➤ Status Updates
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INCIDENT DASHBOARDNEW ON
EM13c
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CORRECTIVE ACTIONS
➤ Helps to automate administrative tasks to resolve incidents
➤ OS command, SQL, RMAN Script or EM actions such as start/stop agent
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YOU ARE A FIREFIGHTER, RIGHT?
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TOP ACTIVITY PAGEDatabase
Diagnostics Pack
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ASH ANALYTICS
➤ Interactive version of ASH Reports
➤ Select the dimensions, drill down to undertake a performance review on a single page
➤ Save report as HTML
Database Diagnostics
Pack
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ASH ANALYTICS (LOADMAP)
Loadmap shows waits indicating the importance of each by the size of the box
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Database Diagnostics
Pack
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COMPARE PERIOD ADDM
Why is the database slow? Is it slower than yesterday?
Database Diagnostics
Pack
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AWR WAREHOUSE
➤ Consolidation of AWR data from multiple DBs
➤ Long term historical information
➤ Requires DB 11.2.0.4 or higher
➤ AWR data transferred with datapump
Database Diagnostics
Pack
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EMERGENCY PERFORMANCE PAGE
EM Agent directly access SGA
Database Diagnostics
Pack
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REALTIME ADDM
Root cause analysis using direct access to SGA
Database Diagnostics
Pack
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PATCHING AND PROVISIONING
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DATABASE PROVISIONING
Repeatable, reliable, automated, unattended deployment procedures for creating, cloning, updating databases.
➤ Create Profile (Database, Grid Infrastructure, Both)
➤ Setup Hosts (Credentials, Privileged Delegation, OS Groups)
➤ Deploy Software (Source, Destination)
➤ Grid Infrastructure (ASM Disk Groups, Password, Listener)
➤ Create Databases (Template, SID, Passwords, Storage, Initialization Parameters, Sizing)
➤ Schedule to Deploy
Lifecycle Management
Pack
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DATABASE CLONING
➤ Manage your clones in one place
➤ Easily clone or create test database
➤ Clone your PDB to cloud
NEW ON
EM13c
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PROVISIONING ORACHK
Install and set up ORAchk from the Enterprise Manager console instead of the command line on individual hosts
NEW ON
EM13c
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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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ENTERPRISE MANAGERTips for Using EM13c
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SIZING ENTERPRISE MANAGER 13.1.0.0
Always add more RAM to OMS Servers!
Size Agent 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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INSTALLING ENTERPRISE MANAGER 13.1.0.0
➤ Use DB template to create repository database (DB version
supported: 12.1.0.2)
➤ Do not unzip the binaries files. Execute the
em13100_<platform>.bin file to invoke the installer
➤ Use EM installer to install WLS
Always refer to “Official Installation Guide”
Check if the files have correct bytes/checksum values
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LET THE INSTALLER HANDLE THE REST
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USE “INITIAL SETUP CONSOLE”
After you install, visit Initial Setup Console to complete “recommended” post-install tasks.
NEW ON
EM13c
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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.
➤ Use the EM Console to view non-critical warnings
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CHECK “MANAGEMENT PACK ACCESS”
Disable auto licensing to prevent license violations.
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TAKE REGULAR 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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KEEP YOUR ENTERPRISE UP TO DATE
➤ Oracle Recommended Patches for Enterprise Manager Base Platform (MOS Doc ID 822485.1 needs update)
➤ Use omspatcher (Patch 19999993) to patch OMS
➤ 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?