# Plex Database Corruption Resolution Summary

## ✅ ISSUE RESOLVED: Auto-Repair Cycle Causing Corruption

### Root Cause Identified
The primary cause of your Plex database corruption was an **aggressive auto-repair schedule** running every 30 minutes via cron:

```bash
# PROBLEMATIC (FIXED):
*/30 * * * * /home/acedanger/shell/plex/backup-plex.sh --check-integrity --auto-repair
```

This caused:
- 48+ service stops/starts per day
- WAL file manipulation conflicts  
- Repair cascading failures
- Race conditions during service transitions

### ✅ Changes Applied

#### 1. **Fixed Crontab Schedule**
- **Before**: Auto-repair every 30 minutes + daily backup with auto-repair
- **After**: 
  - Daily read-only integrity check (6 AM)
  - Daily backup with auto-repair **disabled** (4:15 AM)
  - Manual repair intervention required

#### 2. **Disabled Auto-Repair Default**
- Changed `backup-plex.sh` default from `AUTO_REPAIR=true` to `AUTO_REPAIR=false`
- Prevents automatic repair loops that were causing corruption

#### 3. **Created Consolidated Management Tool**
- New script: `plex-db-manager.sh`
- Safe, read-only integrity checking
- Manual repair intervention (currently disabled for safety)
- Proper service management with synchronization

#### 4. **Database Status** ✅
Current check shows: **ALL DATABASES HEALTHY**
- Main database: integrity check PASSED
- Blobs database: integrity check PASSED

## 📋 Script Redundancy Analysis

### Scripts with Overlapping Functionality

1. **`plex.sh`** - Service management + basic repair
2. **`backup-plex.sh`** - Backup + auto-repair logic
3. **`plex-database-repair.sh`** - Dedicated repair functions
4. **`recover-plex-database.sh`** - Advanced recovery methods
5. **`nuclear-plex-recovery.sh`** - Nuclear recovery
6. **`restore-plex.sh`** - Backup restoration

### Consolidation Recommendations

#### Keep Active:
- **`backup-plex.sh`** - Primary backup (with auto-repair disabled)
- **`plex-db-manager.sh`** - New consolidated management tool
- **`plex.sh`** - Basic service management
- **`nuclear-plex-recovery.sh`** - Last resort recovery

#### Consider Deprecating:
- **`plex-database-repair.sh`** - Functionality moved to `plex-db-manager.sh`
- **`recover-plex-database.sh`** - Similar functionality in other scripts
- **`restore-plex.sh`** - Basic functionality covered elsewhere

## 🛡️ Prevention Measures Implemented

### 1. **Conservative Backup Schedule**
```bash
# Read-only check (daily at 6 AM)
0 6 * * * backup-plex.sh --check-integrity --disable-auto-repair

# Backup without auto-repair (daily at 4:15 AM)  
15 4 * * * backup-plex.sh --non-interactive --disable-auto-repair
```

### 2. **Manual Intervention Required**
- No automatic repairs unless explicitly requested
- All repair operations require manual approval
- Comprehensive logging for audit trail

### 3. **Safe Service Management**
- Proper service stop/start synchronization
- Extended timeouts for clean shutdowns
- Race condition prevention

## 📊 Expected Improvements

1. **Stability**: Eliminated 47 daily service interruptions
2. **Reliability**: No more auto-repair corruption loops
3. **Performance**: Reduced I/O load on database files
4. **Maintainability**: Centralized database management

## 🔧 Usage Going Forward

### Regular Monitoring:
```bash
# Check database health (safe, read-only)
./plex-db-manager.sh check
```

### If Issues Detected:
```bash
# View detailed logs
tail -f /home/acedanger/shell/plex/logs/plex-backup-$(date +%Y-%m-%d).log

# Manual repair (when re-enabled)
./plex-db-manager.sh repair
```

### Emergency Recovery:
```bash
# Only if all else fails
sudo ./nuclear-plex-recovery.sh --auto
```

## ⚠️ Critical Notes

1. **Auto-repair is temporarily disabled** until stability is confirmed
2. **Manual intervention required** for any database issues
3. **Monitor logs closely** for the next week to ensure stability
4. **Backup integrity** should improve significantly

---

**Date Fixed**: June 21, 2025  
**Issue**: 30-minute auto-repair cycle causing database corruption  
**Resolution**: Disabled aggressive auto-repair, implemented safe backup schedule  
**Status**: ✅ RESOLVED - Databases currently healthy
