CN113490922A - 固态硬盘写放大优化方法 - Google Patents
固态硬盘写放大优化方法 Download PDFInfo
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- CN113490922A CN113490922A CN201980093138.1A CN201980093138A CN113490922A CN 113490922 A CN113490922 A CN 113490922A CN 201980093138 A CN201980093138 A CN 201980093138A CN 113490922 A CN113490922 A CN 113490922A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/04—Addressing variable-length words or parts of words
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
一种固态硬盘写放大优化方法,应用于主机设备,主机设备与存储系统相连;每个固态硬盘包括控制器以及存储介质,固态硬盘能够按预定策略进行块擦除、垃圾回收;主机设备接收存储系统中每个固态硬盘上报的自身的虚拟容量,虚拟容量大于固态硬盘自身所具有的物理容量;主机设备根据每个固态硬盘的虚拟容量划分出多个RAID条带;当有数据需要存储时,主机设备根据多个RAID条带存储数据。
Description
PCT国内申请,说明书已公开。
Claims (17)
- PCT国内申请,权利要求书已公开。
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PCT/CN2019/076330 WO2020172821A1 (zh) | 2019-02-27 | 2019-02-27 | 固态硬盘写放大优化方法 |
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CN113490922A true CN113490922A (zh) | 2021-10-08 |
CN113490922B CN113490922B (zh) | 2023-07-18 |
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Families Citing this family (4)
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CN112765048B (zh) * | 2021-01-20 | 2022-07-22 | 苏州浪潮智能科技有限公司 | 一种固态硬盘垃圾回收方法、系统、电子设备及存储介质 |
CN114741327B (zh) * | 2022-04-22 | 2024-04-19 | 中科驭数(北京)科技有限公司 | 一种垃圾回收方法及装置 |
CN117806528A (zh) * | 2022-09-23 | 2024-04-02 | 华为云计算技术有限公司 | 一种数据存储方法及装置 |
CN117453147B (zh) * | 2023-12-22 | 2024-04-02 | 合肥联宝信息技术有限公司 | 固态硬盘垃圾回收方法、装置及电子设备 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102508788A (zh) * | 2011-09-28 | 2012-06-20 | 成都市华为赛门铁克科技有限公司 | Ssd及ssd垃圾回收方法和装置 |
CN103902465A (zh) * | 2014-03-19 | 2014-07-02 | 华为技术有限公司 | 一种固态硬盘垃圾回收的方法、系统和固态硬盘控制器 |
CN104794070A (zh) * | 2015-04-23 | 2015-07-22 | 南京道熵信息技术有限公司 | 基于动态非覆盖raid技术的固态闪存写缓存系统及方法 |
US20170199680A1 (en) * | 2016-01-13 | 2017-07-13 | Alibaba Group Holding Limited | System and method of write amplification factor mitigation and flash lifespan extension |
CN107632942A (zh) * | 2017-08-29 | 2018-01-26 | 记忆科技(深圳)有限公司 | 一种固态硬盘实现lba级别trim命令的方法 |
CN107861790A (zh) * | 2017-10-27 | 2018-03-30 | 新华三云计算技术有限公司 | 虚拟机磁盘空间扩展方法、装置、宿主机及可读存储介质 |
CN108475230A (zh) * | 2016-11-11 | 2018-08-31 | 华为技术有限公司 | 一种存储系统和系统垃圾回收方法 |
US20190042405A1 (en) * | 2013-06-21 | 2019-02-07 | Western Digital Technologies, Inc. | Storing data based on writing frequency in data storage systems |
CN109344090A (zh) * | 2018-10-30 | 2019-02-15 | 深圳润迅数据通信有限公司 | 数据中心中kvm虚拟机的虚拟硬盘系统及数据中心 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104484283B (zh) * | 2014-11-27 | 2018-03-27 | 记忆科技(深圳)有限公司 | 一种降低固态硬盘写放大的方法 |
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2019
- 2019-02-27 CN CN201980093138.1A patent/CN113490922B/zh active Active
- 2019-02-27 WO PCT/CN2019/076330 patent/WO2020172821A1/zh active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102508788A (zh) * | 2011-09-28 | 2012-06-20 | 成都市华为赛门铁克科技有限公司 | Ssd及ssd垃圾回收方法和装置 |
US20190042405A1 (en) * | 2013-06-21 | 2019-02-07 | Western Digital Technologies, Inc. | Storing data based on writing frequency in data storage systems |
CN103902465A (zh) * | 2014-03-19 | 2014-07-02 | 华为技术有限公司 | 一种固态硬盘垃圾回收的方法、系统和固态硬盘控制器 |
CN104794070A (zh) * | 2015-04-23 | 2015-07-22 | 南京道熵信息技术有限公司 | 基于动态非覆盖raid技术的固态闪存写缓存系统及方法 |
US20170199680A1 (en) * | 2016-01-13 | 2017-07-13 | Alibaba Group Holding Limited | System and method of write amplification factor mitigation and flash lifespan extension |
CN108475230A (zh) * | 2016-11-11 | 2018-08-31 | 华为技术有限公司 | 一种存储系统和系统垃圾回收方法 |
CN107632942A (zh) * | 2017-08-29 | 2018-01-26 | 记忆科技(深圳)有限公司 | 一种固态硬盘实现lba级别trim命令的方法 |
CN107861790A (zh) * | 2017-10-27 | 2018-03-30 | 新华三云计算技术有限公司 | 虚拟机磁盘空间扩展方法、装置、宿主机及可读存储介质 |
CN109344090A (zh) * | 2018-10-30 | 2019-02-15 | 深圳润迅数据通信有限公司 | 数据中心中kvm虚拟机的虚拟硬盘系统及数据中心 |
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CN113490922B (zh) | 2023-07-18 |
WO2020172821A1 (zh) | 2020-09-03 |
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