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Session id: 40132 Oracle RAC 10g: Manage Your Cluster Without It Managing You Michael Salinas Senior Product Manager Oracle Corporation Agenda Today’s Realities What’s new Flexible Computing Benefits Today Today: Business and IT The Good – IT is seen as on the critical path to business success The Bad – DBA’s and System administrators face increasingly complex environments Today: Business and IT The Ugly – – Administrators are extremely over utilized Systems are under utilized “My storage is 30% utilized and growing by 50% a year” 15% utilization of CPU is normal Business Challenges Managing the environment Meeting the workload Doing it efficiently with existing resources Oracle9i Real Application Clusters Changed the game for the database – – – Scale Up and Scale Out Highly Available Off the shelf applications Only clustered database that runs real applications and scales both DSS and OLTP Proven – – Hundreds of production customers Certified by leading applications vendors SAP, Oracle, PeopleSoft Oracle Database g 10 Real Application Clusters 10g Raises the bar Extends Availability and Flexibility to your applications Manage your environment, not each piece Automate Management Simplify Current Cluster Stack Applications Cluster Control & Failover APIs Resource Manager & Agents Volume Manager / File system Messaging / Locking / etc. Membership Connectivity Hardware/OS Kernel System Management Event Services Life today is complicated and costly Many vendors are slapped together for Clustering Management is complicated Uneven quality & functionality Mostly fail over Costly Complicated support picture Real Application Clusters 10g Complete, Integrated Clusterware – – High quality and functionality across all platforms Common event and management support – No need to purchase additional software Easy to install & manage Multi-tier HA & minimal MTTR Support for third-party clusterware Applications RAC, Other Apps Services Framework Cluster Control/Recovery APIs Automatic Storage Management Messaging and Locking Membership Connectivity Hardware/OS Kernel Management APIs Complete Oracle cluster software solution Single-vendor support Extends clusterware from Oracle and HP Low Cost Event Services Manage Where do DBA’s spend their time? Others 15% Software Maintenance 6% Ongoing System Management 55% Source: IOUG 2001 DBA Survey Installation 6% Creation & Configuration 12 % Data Loading 6% RAC 10g – Scalable Installation and Upgrade Fast, Lightweight Install – – One install Smaller size Automatic Pre & Post Install Validations Configures all administration tools & components Silent mode for Embedded ISV’s Pre upgrade checks Post upgrade status checks RAC 10g – Scalable Creation and Configuration 90% fewer initialization parameters to set Out-of-box database management with Enterprise Manager DB Control Automatic setup of common tasks, e.g. backups, optimizer statistics Best practice configuration recommendations – – – Parameter Usage Space New features RAC 10g Management Single software stack allows simplified management Designed to address largest time hits for DBAs Choice of management model – – Centralized Management – Enterprise Manager Grid Control Database Management – Enterprise Manager DB Control Improved tools are integrated to simplify management – – Performance & Availability Ongoing management (55% of DBA time) Enterprise Manager Cluster Home Page Enterprise Manager Cluster HW Performance Cluster view Shows hardware utilization – – – CPU Memory Disk Enterprise Manager Database Home Page Enterprise Manager Database Performance Page Database view – Drill down for instance info Shows – – – – Service wait times Throughput Alerts Host run queue/paging Automate RAC 10g – Management Self-Managing, SelfTuning, Self-Learning Database EM provides Environment-wide operations Scale to 100’s of databases or nodes Built-In Intelligent Infrastructure Automatic Workload Repository – – Automatically collects statistics, SQL workload, Feature usage Base-lining capability Automatic Maintenance Tasks – Pre-packaged, resource controlled RAC 10g – Services Policy based behavior – – Performance Availablility Uses Automatic Workload Repository Statistics Created and managed with existing tools Automatic SGA Management Instance N Instance 1 Online Users Buffer Cache Large Batch Jobs Buffer Cache Large Pool Large Pool Large Pool SQL Cache SQL Cache Java Pool Java Pool sort sort Only 2 memory parameters Advisor helps set parameters Automatically resizes with changes in SGA Pool workload Each instance PGA Pool according to usage Automatic Storage Management 10g New capability from Oracle Provides integration of the file system and volume manager for simplified management of database files Spreads database files across all available storage for optimal performance Enables simple and non-intrusive resource allocation with automatic rebalancing Virtualizes the storage resources ASM Benefits Enables non-disruptive storage deployment Eliminates manual performance tuning tasks Increases DBA productivity RAC 10g and ASM Synergy Simplified Cluster Environment Easier Management Higher Availability Smoother Growth Adaptable Resources Flexible Automatic Service Provisioning Hands-free allocation and re-allocation of servers to workloads (services) based on rules – – Automated routing of service requests to appropriate server with lowest load On server failure, automated re-allocation of surviving servers to services Works across all platforms Enterprise Grid - Automatic Service Provisioning Order Entry Supply Chain HR Financials Normal Server Allocation Enterprise Grid - Automatic Service Provisioning Order Entry Supply Chain HR End of Quarter Financials Enterprise Grid - Automatic Service Provisioning Order Entry Supply Chain HR Financials Normal Server Allocation Enterprise Grid - Automatic Service Provisioning Order Entry Supply Chain HR Server Fails Financials Enterprise Grid - Automatic Service Provisioning Order Entry Supply Chain HR Financials Reallocate HR server to Order Entry Enterprise Grid - Automatic Service Provisioning Order Entry Supply Chain HR Financials Order Entry on Two Servers Summary Real Application Clusters 10g Preserves your investment Is simpler to manage Is easier to support Brings reliability to your applications Scales for the most demanding business environments RAC makes it easier to succeed! Next Steps…. Recommended sessions – – – – Tues, 9/9 16:00 Oracle RAC 10g: Running Mixed Workloads - G. Smith (Rm 104) Wed, 9/10 11:00 Oracle RAC 10g: Application Continuous Services for a Grid - B. Kehoe (Rm 104) Wed, 9/10 13:00 Oracle RAC 10g: Best Practices on Linux - K. McGowan (Rm 104) Wed, 9/10 16:30 Oracle RAC 10g: Customer Round Table - G. LeMay (Rm 104) Visit the DEMOgrounds to see RAC in action Visit the RAC web sites for more information – http://otn.oracle.com/products/database/clustering/content. html Reminder – please complete the OracleWorld online session survey Thank you.