425 lines
8.4 KiB
Markdown
425 lines
8.4 KiB
Markdown
# DBIS DOCUMENTATION ROLLBACK PROCEDURES
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## Version Rollback and Recovery Framework
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**Document Number:** DBIS-DOC-ROLL-001
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**Version:** 1.0
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**Date:** 2024-01-15
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**Classification:** UNCLASSIFIED
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**Authority:** DBIS Executive Directorate
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**Approved By:** [Signature Block]
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**Effective Date:** 2024-01-15
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**Status:** Active
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---
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## DOCUMENT METADATA
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**Version:** 1.0
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**Last Updated:** 2024-01-15
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**Effective Date:** 2024-01-15
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**Status:** Active
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**Authority:** DBIS Executive Directorate
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---
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## OVERVIEW
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This document establishes procedures for rolling back documentation changes when issues are detected or when rollback is required. It defines rollback triggers, procedures, and communication requirements.
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**Purpose:** To ensure safe and controlled rollback of documentation changes when necessary, minimizing impact and maintaining system integrity.
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---
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## ROLLBACK PRINCIPLES
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### Core Principles
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1. **Safety First:** Rollback must be safe and controlled
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2. **Minimal Impact:** Minimize disruption to users
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3. **Documented:** All rollbacks must be documented
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4. **Communicated:** Stakeholders must be notified
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5. **Reversible:** Rollback should be reversible if needed
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### Rollback Categories
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**Automatic Rollback:**
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- Critical errors detected
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- System failures
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- Data corruption
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- Security breaches
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**Manual Rollback:**
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- User request
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- Management decision
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- Compliance requirement
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- Performance issues
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---
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## ROLLBACK TRIGGERS
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### Critical Triggers (Immediate Rollback)
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**Triggers:**
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- Critical errors in documentation
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- Security vulnerabilities introduced
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- Compliance violations
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- Data corruption
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- System failures
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**Response Time:** Immediate
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**Approval:** Automatic (pre-approved for critical issues)
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### High Priority Triggers (Expedited Rollback)
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**Triggers:**
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- Significant errors
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- User complaints
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- Performance degradation
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- Integration failures
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- Major functionality issues
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**Response Time:** Within 4 hours
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**Approval:** Expedited approval process
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### Normal Priority Triggers (Standard Rollback)
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**Triggers:**
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- Minor errors
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- User feedback
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- Quality issues
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- Improvement requests
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**Response Time:** Within 24 hours
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**Approval:** Standard approval process
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---
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## VERSION BACKUP PROCEDURES
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### Pre-Deployment Backup
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**Backup Requirements:**
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1. **Version Backup:**
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- Create version backup before deployment
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- Store backup in secure location
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- Verify backup integrity
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- Document backup location
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2. **Configuration Backup:**
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- Backup system configurations
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- Backup database states
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- Backup integration settings
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- Verify backup completeness
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3. **Documentation Backup:**
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- Backup all documentation
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- Backup change logs
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- Backup metadata
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- Verify backup accessibility
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### Backup Storage
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**Storage Requirements:**
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- Secure storage location
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- Accessible for rollback
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- Versioned backups
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- Retention period: 90 days minimum
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**Backup Format:**
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- Complete version archive
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- Metadata included
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- Change logs included
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- Verification checksums
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---
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## ROLLBACK PROCEDURES
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### Step 1: Rollback Decision
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**Decision Process:**
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1. Identify rollback need
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2. Assess rollback impact
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3. Determine rollback scope
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4. Obtain approval (if required)
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5. Document decision
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**Decision Authority:**
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- **Critical:** Automatic (pre-approved)
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- **High:** Documentation Manager
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- **Normal:** Change Control Board
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### Step 2: Rollback Planning
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**Planning Activities:**
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1. Identify rollback scope
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2. Select rollback version
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3. Plan rollback steps
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4. Assign responsibilities
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5. Schedule rollback
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**Rollback Plan Contents:**
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- Rollback scope
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- Target version
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- Rollback steps
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- Resource requirements
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- Timeline
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- Communication plan
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### Step 3: Rollback Preparation
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**Preparation Activities:**
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1. Verify backup availability
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2. Prepare rollback environment
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3. Notify stakeholders
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4. Prepare rollback team
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5. Test rollback procedure (if time permits)
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**Preparation Checklist:**
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- [ ] Backup verified
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- [ ] Environment prepared
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- [ ] Stakeholders notified
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- [ ] Team briefed
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- [ ] Procedures reviewed
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### Step 4: Rollback Execution
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**Execution Steps:**
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1. **Pre-Rollback:**
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- Final system check
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- User notification
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- System preparation
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- Backup verification
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2. **Rollback:**
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- Stop current operations (if needed)
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- Restore previous version
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- Restore configurations
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- Verify restoration
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3. **Post-Rollback:**
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- Verify system functionality
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- Test critical functions
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- Monitor system status
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- Document rollback
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### Step 5: Rollback Verification
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**Verification Activities:**
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1. Verify version restoration
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2. Test system functionality
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3. Verify data integrity
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4. Check system performance
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5. Confirm user access
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**Verification Checklist:**
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- [ ] Version restored correctly
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- [ ] System functional
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- [ ] Data integrity verified
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- [ ] Performance acceptable
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- [ ] User access confirmed
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### Step 6: Rollback Documentation
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**Documentation Requirements:**
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1. Document rollback decision
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2. Record rollback steps
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3. Document rollback results
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4. Update change logs
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5. Maintain rollback records
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**Documentation Contents:**
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- Rollback reason
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- Rollback scope
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- Rollback steps
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- Rollback results
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- Lessons learned
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### Step 7: Rollback Communication
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**Communication Activities:**
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1. Notify stakeholders
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2. Provide rollback summary
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3. Explain rollback reason
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4. Communicate impact
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5. Provide next steps
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**Communication Methods:**
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- Email notification
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- System notification
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- Change log update
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- Status report
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---
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## ROLLBACK SCENARIOS
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### Scenario 1: Critical Error Rollback
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**Situation:** Critical error detected in deployed documentation
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**Procedure:**
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1. Immediate rollback decision
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2. Automatic rollback execution
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3. System restoration
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4. Error investigation
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5. Stakeholder notification
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**Timeline:** Immediate
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### Scenario 2: User Complaint Rollback
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**Situation:** Significant user complaints about documentation changes
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**Procedure:**
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1. Assess complaints
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2. Review change impact
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3. Decision on rollback
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4. Execute rollback if approved
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5. User notification
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**Timeline:** Within 4 hours
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### Scenario 3: Performance Issue Rollback
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**Situation:** Documentation changes causing performance issues
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**Procedure:**
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1. Identify performance issue
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2. Assess rollback need
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3. Plan rollback
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4. Execute rollback
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5. Monitor performance
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**Timeline:** Within 24 hours
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---
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## ROLLBACK TESTING
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### Rollback Test Procedures
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**Test Requirements:**
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1. Test rollback procedures
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2. Verify backup restoration
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3. Test system functionality
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4. Verify data integrity
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5. Document test results
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**Test Frequency:**
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- Quarterly rollback tests
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- After major changes
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- Before critical deployments
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- As needed
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### Rollback Test Checklist
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- [ ] Backup creation tested
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- [ ] Backup restoration tested
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- [ ] System functionality verified
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- [ ] Data integrity confirmed
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- [ ] Procedures documented
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---
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## ROLLBACK MONITORING
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### Post-Rollback Monitoring
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**Monitoring Activities:**
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1. Monitor system performance
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2. Track user feedback
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3. Monitor error rates
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4. Check system stability
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5. Assess rollback effectiveness
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**Monitoring Duration:**
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- Critical rollbacks: 48 hours
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- High priority rollbacks: 24 hours
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- Normal rollbacks: 12 hours
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### Monitoring Metrics
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**Metrics Tracked:**
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- System performance
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- Error rates
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- User satisfaction
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- System stability
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- Rollback effectiveness
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---
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## ROLLBACK COMMUNICATION PLAN
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### Pre-Rollback Communication
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**Communication:**
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- Rollback notification
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- Rollback reason
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- Expected impact
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- Timeline
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- Contact information
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### During Rollback Communication
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**Communication:**
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- Rollback status
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- Progress updates
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- Estimated completion
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- Any issues
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### Post-Rollback Communication
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**Communication:**
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- Rollback completion
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- System status
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- Impact assessment
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- Next steps
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- Support information
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---
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## ROLLBACK RECORDS
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### Rollback Log
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**Log Entries Include:**
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- Rollback ID
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- Rollback date
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- Rollback reason
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- Rollback scope
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- Rollback version
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- Rollback status
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- Rollback results
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### Rollback Reports
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**Monthly Report:**
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- Rollbacks executed
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- Rollback reasons
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- Rollback effectiveness
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- Issues identified
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**Quarterly Report:**
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- Rollback trends
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- Process improvements
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- Recommendations
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---
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## RELATED DOCUMENTS
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- [Change Management Process](Change_Management_Process.md)
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- [VERSION_CONTROL_POLICY.md](../VERSION_CONTROL_POLICY.md)
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- [Configuration Management Plan](Configuration_Management_Plan.md)
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- [Update Trigger Procedures](Update_Trigger_Procedures.md)
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---
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**END OF ROLLBACK PROCEDURES**
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