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Maheshwari, 2021 - Google Patents

From blocks to rocks: A natural extension of zoned namespaces

Maheshwari, 2021

Document ID
8315848983314543887
Author
Maheshwari U
Publication year
Publication venue
Proceedings of the 13th ACM Workshop on Hot Topics in Storage and File Systems

External Links

Snippet

Zoned namespaces (ZNS) is an emerging storage abstraction with the potential to supersede the conventional block abstraction for flash-based devices. ZNS constrains the writes to be sequential within each zone, thereby avoiding a costly translation in the device …
Continue reading atdl.acm.org (other versions)

Classifications

The classifications are assigned by a computer and are not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the classifications listed.
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0628—Dedicated interfaces to storage systems making use of a particular technique
    • G06F3/0638—Organizing or formatting or addressing of data
    • G06F3/064—Management of blocks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0668—Dedicated interfaces to storage systems adopting a particular infrastructure
    • G06F3/0671—In-line storage system
    • G06F3/0683—Plurality of storage devices
    • G—PHYSICS
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    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
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    • G06F3/06—Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
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    • G06F3/0602—Dedicated interfaces to storage systems specifically adapted to achieve a particular effect
    • G06F3/061—Improving I/O performance
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    • G06F3/0601—Dedicated interfaces to storage systems
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    • G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G06F12/0238—Free address space management in non-volatile memory
    • G06F12/0246—Free address space management in non-volatile memory in block erasable memory, e.g. flash memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
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    • G06F3/06—Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0602—Dedicated interfaces to storage systems specifically adapted to achieve a particular effect
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    • G06F17/30153—Redundancy elimination performed by the file system using compression, e.g. sparse files
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    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0602—Dedicated interfaces to storage systems specifically adapted to achieve a particular effect
    • G06F3/0604—Improving or facilitating administration, e.g. storage management
    • G06F3/0605—Improving or facilitating administration, e.g. storage management by facilitating the interaction with a user or administrator
    • G—PHYSICS
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    • G06F3/06—Digital input from or digital output to record carriers, e.g. RAID, emulated record carriers, networked record carriers
    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0628—Dedicated interfaces to storage systems making use of a particular technique
    • G06F3/0662—Virtualisation aspects
    • G06F3/0665—Virtualisation aspects at area level, e.g. provisioning of virtual or logical volumes
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    • G06F17/30286—Information retrieval; Database structures therefor; File system structures therefor in structured data stores
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    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/72—Details relating to flash memory management

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