Duplication is primitive, archaic, dépassé for large storage.
For the longest time data duplication through mirroring or other schemes was regarded as the safest form of redundant data protection. What reenforced that view was the fact that traditional RAID systems using parity based protection are an all-or-nothing type of deal.
That is, with traditional parity based RAID systems, if the said systems are unable sustain and recover from a particular failure level then all data is lost. This chronically negative aspect of […]