Lime Technology Unraid OS Pro v6.9.2 Incl KeyfileMaker and Patch READ NFO-DVT

Unraid OS allows sophisticated media aficionados, gamers, and other intensive data-users to have ultimate control over their data, media, applications, and desktops, using just about any combination of hardware.

unRAID Array
The primary concept behind an unRAID array is its ability to manage an aggregate of disk devices (JBOD) that is protected by a dedicated parity device. A parity device provides a way for you to reconstruct data from a failed disk onto a new one. While it seems mind boggling that one drive can possibly back up other drives that have way more storage capacity than the parity, it is able to reconstruct the missing data from a failed drive using binary logic called XOR (eXclusive-OR). Since hard drives store data as zeroes and ones, when a drive fails the parity compares the binary data on all the surviving drives and can deduce the missing data to rebuild.

unRAID Cache
The cache drive feature of unRAID provides faster data capture. Generally speaking, by using a cache alongside an array of 3 or more devices, you can achieve up to 3x write performance. When data is written to a user share that has been configured to use the cache device, all of that data is initially written directly to the dedicated cache device. Because this device is not a part of the array, the write speed is unimpeded by parity calculations. Subsequently an unRAID process called “the mover” copies the data from the cache to the array at time and frequency of your choosing. Once the data has been successfully copied, the space on the cache drive is once again freed up to front-end other write operations to cache-enabled user shares.

Cache Pool
With a single cache device, data captured there is at risk, as a parity device doesn’t protect it. However, you can configure a cache with multiple devices both to increase your cache capacity as well as to add protection for that data. The grouping of multiple devices in a cache is referred to as building a cache pool. The unRAID cache pool is created through a unique twist on traditional RAID 1.

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