Free data mirroring software for windows

ICE Mirror creates or maintains an exact duplicate of the original directory ICE Mirror creates or maintains an exact duplicate of the original directory. ICE Mirror will compare the mirrored directory to the master directory and correct any disparities.
ICE Mirror allows ultra fast mirroring because it performs incremental updates. In other words it only copies files that have changed. If only a few files have been updated, it performs very fast.
Also ICE Mirror allows making differential updates. The differential updates are very useful if you are use read-only media (CD-R, DVD-R, DVD+R, etc.). There are two steps in differential updates:
1. Comparison the master directory and the mirrored directory.
2. Copying all new files from the master directory to the secondary mirrored directory.
In other words it only copies files that have changed in the mirrored directory to the secondary mirrored directory.
Main features:
- ICE Mirror support incremental mirroring. Comparing directories/files for mismatches and replace only mismatches.
- ICE Mirror support differential mirroring. Comparing directories/files for mismatches and copy only mismatches in separated directory.
- ICE Mirror is a native Unicode application. That means that you can safety mirror/compare files with any filename languages.
- ICE Mirror made as multithread application. This is allow to see mirror/compare process real-time.
- ICE Mirror performs four comparison modes, include binary comparisons.
- ICE Mirror support fast maintenance of backup images located on removable drives. Such as a CD-RW, DVD-RW, DVD+RW etc. used packet writing software such as DirectCD, InCD, etc.
- ICE Mirror creates safer backups by not merging everything into a single file.

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