Ploop

Ploop is a disk loopback block device, not unlike loop but with many features like dynamic resize, snapshots, backups etc. The main idea is to put container filesystem in a file.

• Why ploop is good for you
• Getting started with ploop
• Limits of ploop, space-wise
• Ploop and diskinodes
• Backup with ploop
• Ct in a file.pdf (info) Container in a file presentation
• README Low-level commands for advanced users only
• ploop and sparse images
• Mount helpers to use standard mount/umount commands
• ploop(8) man page

Articles about ploop in openvz blog:

• Introducing container in a file aka ploop
• Effective live migration with ploop write tracker
• Ploop snapshots and backups
• Ploop and live migration: 2 years later

Source code and packages downloads:

• Packages in Linux distributions
• Download/ploop
• ploop userspace git repo