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mram is applicated on Enterprise Data Storage (RAID system)

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Issuing time:2024-03-18 14:25Author:glochip.comSource:GlobalizeX.COMLink:https://www.glochip.com/news/

Enterprise Data Storage (RAID system)

RAID (Redundant Array of Inexpensive Disks) is a data storage structure of combining two or more physical storage devices (HDDs, SSDs) into a logical unit (an array) that is seen by the attached system as a single drive.

The journal memory in a RAID controller card   stores log and critical data such as completion of data write, parity write, fail log, etc. At power failure, the controller refers to Journal memory and figures out where to start to recover, so data in the journal memory should be kept even at power failure. Battery-backed SRAM or nvSRAM is being used as journal memory.

As MRAM is a non-volatile memory and provides a fast write and real-time data storage, it is an ideal memory for RAID system.

MRAM delivers main benefits as the following

  • Eliminate voltage controller, battery and battery socket required for SRAM

  • No capacitor for nvSRAM needed

  • Safe from sudden power failure, Short recovering time

  • Long retention time (10years)

  • Virtually no limit on endurance (100 trillion write cycle)

  • Fast write speed


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