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Data corruption occurs when a bit or a set of bits is changed unintentionally due to variety of reasons: hardware errors, data transfer noise, software bugs, many more … The probability of a silent data corruption occurring is proportional to the number of writes being done. A heavy write-intensive application such as video surveillance recording is more exposed than an average email server. Silent data corruption happens more often than you think, - CERN study found 1 in every 1500 files to be corrupted. It can be potentially devastating, - up to 10% of catastrophic storage system failures have been linked to silent corruption of data , according to white paper by NEC. Next generation file system with built-in per-block checksumming, self-healing error correction and atomic copy-on-write snapshots will protect your mission critical surveillance recordings against silent data corruption.