METHODS AND SYSTEMS FOR RAID PROTECTION IN ZONED SOLID-STATE DRIVES

METHODS AND SYSTEMS FOR RAID PROTECTION IN ZONED SOLID-STATE DRIVES

Methods and systems for a storage environment are provided. One method includes splitting storage of a plurality of zoned solid-state drives (ZNS SSDs) into a plurality of physical zones (PZones) across a plurality of independent media units of each ZNS SSD, the PZones visible to a first tier RAID (...

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Hauptverfasser: Sen, Sourav, Ting, Daniel Wang-Woei, Smith, Mark, Gole, Abhijeet Prakash
Format: Patent
Sprache:eng ; fre ; ger
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CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Sen, Sourav
Ting, Daniel Wang-Woei
Smith, Mark
Gole, Abhijeet Prakash
description Methods and systems for a storage environment are provided. One method includes splitting storage of a plurality of zoned solid-state drives (ZNS SSDs) into a plurality of physical zones (PZones) across a plurality of independent media units of each ZNS SSD, the PZones visible to a first tier RAID (redundant array of independent disks) layer; generating a plurality of RAID zones (RZones), each RZone having a plurality of PZones; presenting one or more RZones to a second tier RAID layer by the first tier RAID layer for processing read and write requests using the plurality of ZNS SSDs; and utilizing, by the first tier RAID layer, a parity PZone at each ZNS SSD for storing parity information corresponding to data written in one or more PZone corresponding to a RZone presented to the second tier RAID layer and storing the parity information in a single parity ZNS SSD.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title METHODS AND SYSTEMS FOR RAID PROTECTION IN ZONED SOLID-STATE DRIVES
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