Files
backup_to_external_m.2/DRIVE_SELECTION_REFERENCE.md
root 26f6994e17 feat: complete LVM backup system with external M.2 boot support
MAJOR MILESTONE: Transform backup system into comprehensive LVM migration solution

🎯 LVM Migration & Boot System Complete:
- Complete external M.2 LVM migration capability
- One-button migration from non-LVM to LVM system
- Automatic GRUB repair and boot configuration
- External boot validation and recovery tools

🔧 New Migration Tools Added:
- fix_grub_lvm_boot.sh: Complete GRUB repair for external LVM boot
- automated_clonezilla_backup.sh: Automated backup with Clonezilla integration
- validate_lvm_migration.sh: Comprehensive migration validation
- troubleshoot_migration.sh: Advanced diagnostic and repair tools
- emergency_install.sh: Package installation for live systems
- bootstrap_usb_tools.sh: USB preparation with all dependencies

💾 Backup System Enhancements:
- create_alpine_backup_usb.sh: Alpine Linux live system preparation
- create_clonezilla_backup.sh: Professional backup solution integration
- plug_and_play_backup.sh: Simple automated backup workflow
- lvm_snapshot_backup.sh: LVM snapshot-based incremental backups
- simple_auto_backup.sh: Streamlined backup automation

📋 Documentation & Guides:
- LIVE_USB_MIGRATION_GUIDE.md: Complete migration walkthrough
- DRIVE_SELECTION_REFERENCE.md: Safe drive selection procedures
- Comprehensive troubleshooting and validation procedures
- Step-by-step migration instructions with safety checks

🛡️ Safety & Validation Features:
- Interactive drive selection with confirmation
- Comprehensive pre-migration checks
- Automatic backup validation
- GRUB boot repair with fallback options
- Hardware compatibility verification

🧪 Testing & Debugging:
- Complete GRUB configuration analysis
- LVM volume validation and repair
- Boot sequence troubleshooting
- Hardware connection diagnostics

 Production Ready Status:
- All migration tools tested and validated
- External M.2 boot functionality confirmed
- GRUB configuration properly generates LVM entries
- Kernel files correctly deployed to external boot partition
- EFI bootloader properly configured as 'ubuntu-external'

This completes the transformation from simple backup scripts to a comprehensive
LVM migration and backup system capable of full system migration to external M.2
with proper boot configuration and recovery capabilities.
2025-09-25 20:17:57 +02:00

1.7 KiB

Drive Selection Reference

Based on your system screenshots, here's the correct drive mapping:

Current System Layout (from screenshots):

Available Drives:

  • /dev/nvme0n1 - 476.9G KXG6AZNV512G TOSHIBA

    • INTERNAL DRIVE (source)
    • This is your current system with:
      • nvme0n1p1: 58GB Linux filesystem (root)
      • nvme0n1p2: 512MB EFI system
      • nvme0n1p3: 417GB Linux filesystem (home)
  • /dev/sda - 476.9G Tech JMicron

    • EXTERNAL M.2 SSD (target)
    • This should be selected as migration TARGET
    • Will be completely wiped and converted to LVM
  • /dev/sdb - 119.3G Extreme Pro SanDisk

    • 🔧 USB STICK (migration tools)
    • This USB stick with the migration tools
    • Should NOT be selected for migration

Correct Migration Configuration:

Source (Internal): /dev/nvme0n1 → Target (External): /dev/sda

What the Enhanced Script Now Does:

  1. Excludes USB stick - Won't offer /dev/sdb as an option
  2. Shows drive details - Displays size, model, USB detection
  3. Suggests configuration:
    • Internal: /dev/nvme0n1 (NVMe drives are typically internal)
    • External: /dev/sda (USB-connected drives are typically external)
  4. User confirmation - Asks you to confirm before proceeding
  5. Final safety check - Shows exactly what will be wiped
  6. Type 'YES' confirmation - Prevents accidental data loss

Migration Process:

  1. Boot from USB (/dev/sdb)
  2. Run migration script
  3. Script will suggest:
    • Internal: /dev/nvme0n1 (476.9G TOSHIBA)
    • External: /dev/sda (476.9G JMicron)
  4. Confirm selection
  5. Type 'YES' to proceed

This should prevent the wrong drive selection issue you encountered!