Cloning a PS2 Hard Drive: Not Directly Possible—Use File Backup Instead
You cannot clone a PS2 hard drive directly because the PS2 uses a proprietary IDE interface and filesystem unreadable by PCs.
Why Direct Cloning Fails
Proprietary IDE Interface: Not compatible with standard PC drive controllers.
Custom Filesystem (PFS): Windows/macOS/Linux cannot mount or browse it.
What You Can Do
File-Level Backup: Connect PS2 HDD to PC via specialized IDE/USB adapter. Use tools like HDL Dump, winhiip, or OPL Manager to extract individual files (saves, ISOs, homebrew). You cannot browse files normally.
Memory Cards (Standard Method): Copy saves to 8 MB / 32 MB Memory Cards. Transfer between PS2s or to PC via adapters (DexDrive, Memor32, FreeMCBoot + uLaunchELF).
Warnings
PS2 HDD adapters are unreliable—risk of data loss.
Backing up commercial games you don't own is piracy.
Focus on file extraction or memory cards—not full disk cloning.