dbis_docs/08_operational/examples/Change_Management_Example.md

CHANGE MANAGEMENT EXAMPLE

Scenario: Configuration Change Request and Approval

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SCENARIO OVERVIEW

Scenario Type: Change Management Process
Document Reference: Title VIII: Operations, Section 3: Change Management; 00_document_control/Change_Management_Process.md
Date: [Enter date in ISO 8601 format: YYYY-MM-DD]
Change Classification: Standard Change
Participants: Technical Department, Change Control Board, Operations Department

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STEP 1: CHANGE REQUEST SUBMISSION (T+0 days)

1.1 Change Request Initiation

• Date: 2024-01-15
• Request Details:
  • Change Request ID: CR-2024-001234
  • Requestor: Technical Department
  • Change Type: Configuration Change
  • System: Database Configuration
  • Change Description: Increase database connection pool size from 50 to 100
  • Justification: Improve system performance under high load
  • Impact Assessment: Low risk, performance improvement
• Submission Method: Change management system

1.2 Initial Review

• Date: 2024-01-15
• Review Actions:
  1. Verify request completeness
  2. Assess change type
  3. Initial impact assessment
  4. Route to appropriate reviewer
• Review Result: Request complete, routed to Change Control Board

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STEP 2: CHANGE CONTROL BOARD REVIEW (T+2 days)

2.1 CCB Review

• Date: 2024-01-17 (2 days after submission)
• Review Actions:
  1. Review change request
  2. Assess technical impact
  3. Evaluate business impact
  4. Review risk assessment
  5. Consider alternatives
• Review Findings:
  • Technical impact: Low (configuration change only)
  • Business impact: Positive (performance improvement)
  • Risk: Low (reversible change)
  • Alternatives: None required

2.2 CCB Decision

• Date: 2024-01-17
• Decision: APPROVED
• Decision Rationale:
  • Low risk change
  • Performance improvement benefit
  • Reversible if issues occur
  • No business disruption expected
• Approval Conditions:
  • Implement during maintenance window
  • Monitor performance after change
  • Rollback plan required

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STEP 3: CHANGE IMPLEMENTATION (T+5 days)

3.1 Implementation Planning

• Date: 2024-01-20 (5 days after submission)
• Planning Actions:
  1. Schedule implementation window
  2. Prepare rollback plan
  3. Notify stakeholders
  4. Prepare monitoring plan
• Implementation Plan:
  • Window: Maintenance window (02:00-04:00 UTC)
  • Duration: 30 minutes estimated
  • Rollback: Configuration revert (5 minutes)
  • Monitoring: Performance metrics

3.2 Change Implementation

• Date: 2024-01-20, 02:00 UTC
• Implementation Steps:
  1. Backup current configuration
  2. Apply new configuration
  3. Verify configuration
  4. Test connectivity
  5. Monitor performance
• Implementation Status:
  • Configuration: Applied successfully
  • Connectivity: Verified
  • Performance: Improved
  • Status: Complete

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STEP 4: POST-IMPLEMENTATION REVIEW (T+7 days)

4.1 Performance Monitoring

• Date: 2024-01-22 (7 days after submission)
• Monitoring Results:
  • Connection pool: Operating at 100 connections
  • Performance: Improved (15% reduction in connection wait time)
  • System stability: No issues
  • User impact: Positive (faster response times)

4.2 Change Closure

• Date: 2024-01-22
• Closure Actions:
  1. Verify change success
  2. Document results
  3. Close change request
  4. Update change log
• Closure Status:
  • Change: Successful
  • Documentation: Complete
  • Change request: Closed
  • Change log: Updated

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RELATED DOCUMENTS

• Title VIII: Operations - Change management procedures
• Change Management Process - Change management framework
• Configuration Change Process Example - Related example

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END OF EXAMPLE