SEGGER Adds RAID5 to emFile File System

May 17, 2019 Alix Paultre

HILDEN, GERMANY. SEGGER added a RAID5 option to its emFile embedded file system, to maximize data integrity and reliability. RAID5 delivers data integrity by providing a fail-safe layer on top of the CRC and/or error correction used by the underlying driver or storage medium.

With RAID5, the storage device is divided into several partitions, one of which holds parity information allowing data recovery in case of a partition fail. It can be used on any storage medium and the parity information can be stored on the same storage device (in a separate partition) or on a separate device.

With a memory footprint of about 1kB of RAM and 3kB of flash memory, RAID5 is available as an additional option and as an alternative to RAID1. The amount of storage used by RAID5 is configurable, typically using 5% or less.

More information at www.segger.com/emfile.html.

 
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