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Digitech VHD Backup

Hyper-V VHD block-level replication — incremental sync, LZ4 compression, snapshot vaults and instant recovery.

Python · TkinterHyper-V WMIWindows Server

Overview

Digitech VHD Backup (KC_VHDBACKUP) replicates Hyper-V virtual disk files at 4 MiB block granularity. Only changed blocks are transferred with LZ4 compression and bandwidth throttling. Discover VMs automatically, manage checkpoint-based snapshots, and mount recovered VHDs for fast restore.

Key Features

  • 4 MiB block-level incremental sync
  • LZ4 compression & configurable bandwidth throttle
  • Hyper-V VM discovery via WMI
  • Checkpoint-based snapshot retention vault
  • Job queue with progress — blocks changed vs skipped
  • Scheduled backup windows
  • Instant VHD mount for recovery verification
  • Tkinter GUI console with live transfer logs

Screenshots

VHD Backup console
Backup Console