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NEXT3® is a flavor of the widely used Ext3 file system with built-in support for snapshots. Developed by CTERA Networks, NEXT3 is licensed under the GPL.

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  • Backward and forward compatible with Ext3
  • Incremental, volume level, read-only snapshots
  • Snapshots use available file system disk space
  • Snapshots deletion automatically frees up disk space
  • Retains ext3 stability including journaling and fsck
  • Minimal performance overhead (in average use cases)
  • No limit on number and size of snapshots

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Advanced End Users

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