Snapshots preserve the history of a shared folder allowing you to save up to 2561 backup copies for point-in-time recovery. Snapshots can be automatically captured up to every 5 minutes, without noticeably impacting system performance. Btrfs file system stores two copies of critical metadata on a volume, improving the availability & survivability of your business's important data. By generating checksums for files & metadata, the system can automatically detect & attempt to repair corrupted data or report errors to the administrator.