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Maheshwari, 2021 - Google Patents

From blocks to rocks: A natural extension of zoned namespaces

Maheshwari, 2021

View PDF
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 at dl.acm.org (PDF) (other versions)

Classifications

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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
    • G06F3/0638—Organizing or formatting or addressing of data
    • G06F3/064—Management of blocks
    • 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
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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
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    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
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    • G06F3/0601—Dedicated interfaces to storage systems
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    • G06F3/0601—Dedicated interfaces to storage systems
    • G06F3/0628—Dedicated interfaces to storage systems making use of a particular technique
    • G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
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    • G06F17/30067—File systems; File servers
    • G06F17/30129—Details of further file system functionalities
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    • G—PHYSICS
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    • 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
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    • G06F3/0602—Dedicated interfaces to storage systems specifically adapted to achieve a particular effect
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    • G06F3/0605—Improving or facilitating administration, e.g. storage management by facilitating the interaction with a user or administrator
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    • 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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    • G06F2212/72—Details relating to flash memory management

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