Tiered Database Delivery Model
DBA Services, Monitoring, and Support
The chart below helps describe of the different kinds of tasks performed at the different tiers:
Service Desk and Monitoring
Operations and Technical Delivery
Engineering and Critical Problem Resolution
Tier 1 | Tier 2 | Tier 3 |
Provide 24x7x365 live DBA support | 24×7 DBA Service Requests (SRs) “Perform Database Tasks upon Request” | Proactive DBA Activities “Improve Database Environment” |
Implement monitoring and ticketing systems | Execute on all incidents received by Tier 1 | Serve as escalation from Tier 2 |
Monitor and troubleshoot scheduled jobs | Provide 24x7x365 DBA request availability | Provide 24x7x365 DBA request availability |
Monitor and troubleshoot backup/recovery jobs | Perform database install and creation | Perform database install and creation |
Monitor custom events and replication/clustering | Create schemas, tables, views, indexes, etc. | Advise and consult on architecture and engineering issues and approaches |
Respond to incidents, alerts and notifications | Optimize CPU and memory utilization | Provide Senior DBA support & collaboration |
Perform database upgrades and migrations | Perform complex issue resolution/correlation | |
Perform database patching and/or bug fixes | Perform root cause analysis on recurring issues | |
Perform database refresh/cloning/cleansing | Provide issue tracking and communication | |
Perform database configuration and validation | Perform advanced database and query tuning | |
Perform data/index/disk re-organizations | Perform proactive space/growth management | |
Perform SQL/database/instance tuning | Database security, compliance, licensing | |
Execute and verify DDL/DML/scripts | HA, DR and scalability improvements/strategy | |
Backup and recovery improvements/strategy | ||
Clustering and replication improvements/strategy |
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