Oracle Enterprise Manager Cloud Control 13c for DBAs
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This document provides an overview and introduction to Oracle Enterprise Manager Cloud Control 13c (EM13c) for database administrators (DBAs). It discusses the key features and benefits of EM13c for monitoring, performance tuning, and provisioning databases. The document outlines the architecture and components of EM13c and why it is useful for centralized management. It also provides tips for DBAs on using features like monitoring, incident management, ASH analytics, provisioning, patching, and best practices for installation, configuration, and maintenance of an EM13c environment.
Oracle Enterprise Manager Cloud Control 13c for DBAs
- 1. ORACLE ENTERPRISE MANAGER CLOUD CONTROL 13C FOR DBAs Gökhan Atıl
- 2. 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 2
- 3. AGENDA ➤ Introduction to Enterprise Manager Cloud Control ➤ Why Enterprise Manager Cloud Control? ➤ Top Features for DBAs Monitoring Performance Tuning Provisioning ➤ Tips for Using EM13c 3
- 4. 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) 4
- 5. ➤ 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 EM13c No Extra License Required 5
- 6. ENTERPRISE MANAGER Top Features for DBAsME
- 7. YOU NEED TO MONITOR YOUR DATABASES
- 8. 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 8
- 9. METRICS, ALERTS AND INCIDENTS PREDEFINED METRICS + Metric Extensions WARNING & CRITICAL THRESHOLDS MONITORING TEMPLATE TARGETALERTS INCIDENT RULES INCIDENT CREATED NOTIFICATION tablespace usage %75 warning %90 critical 9
- 10. INCIDENT MANAGEMENT ➤ Assign ➤ Set Priority ➤ Escalate ➤ Clear ➤ Acknowledge ➤ Status Updates 10
- 12. CORRECTIVE ACTIONS ➤ Helps to automate administrative tasks to resolve incidents ➤ OS command, SQL, RMAN Script or EM actions such as start/stop agent 12
- 13. YOU ARE A FIREFIGHTER, RIGHT?
- 15. 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 15
- 16. ASH ANALYTICS (LOADMAP) Loadmap shows waits indicating the importance of each by the size of the box 16 Database Diagnostics Pack
- 17. COMPARE PERIOD ADDM Why is the database slow? Is it slower than yesterday? Database Diagnostics Pack 17
- 18. 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 18
- 19. EMERGENCY PERFORMANCE PAGE EM Agent directly access SGA Database Diagnostics Pack 19
- 20. REALTIME ADDM Root cause analysis using direct access to SGA Database Diagnostics Pack 20
- 22. 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 22
- 23. DATABASE CLONING ➤ Manage your clones in one place ➤ Easily clone or create test database ➤ Clone your PDB to cloud NEW ON EM13c
- 24. PROVISIONING ORACHK Install and set up ORAchk from the Enterprise Manager console instead of the command line on individual hosts NEW ON EM13c 24
- 25. 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 25
- 26. ENTERPRISE MANAGER Tips for Using EM13c
- 27. 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 27
- 28. 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 28
- 29. LET THE INSTALLER HANDLE THE REST
- 30. USE “INITIAL SETUP CONSOLE” After you install, visit Initial Setup Console to complete “recommended” post-install tasks. NEW ON EM13c 30
- 31. 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
- 32. CHECK “MANAGEMENT PACK ACCESS” Disable auto licensing to prevent license violations. 32
- 33. 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. 33
- 34. 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 34
- 35. THANK YOU FOR ATTENDING! ANY QUESTIONS?