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	<title>NVDIMM - 版本历史</title>
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	<subtitle>本wiki上该页面的版本历史</subtitle>
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		<title>~2026-20483-18：​增加或調整分類</title>
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		<summary type="html">&lt;p&gt;增加或調整分類&lt;/p&gt;
&lt;p&gt;&lt;b&gt;新页面&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{多個問題|&lt;br /&gt;
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&amp;#039;&amp;#039;&amp;#039;非易失性双列直插式内存模块&amp;#039;&amp;#039;&amp;#039;（{{langx|en|non-volatile dual in-line memory module}}，缩写&amp;#039;&amp;#039;&amp;#039;NVDIMM&amp;#039;&amp;#039;&amp;#039;）是一种用于计算机的[[随机存取存储器]]。[[非揮發性記憶體]]是即使断电也能保留其内容的内存，这包括意外断电、{{fact|系统崩溃}}或正常关机。双列直插式表示该内存使用[[DIMM]]封装。NVDIMM在某些情况下可以改善应用程序的性能&amp;lt;ref&amp;gt;{{Cite web|url=http://research.microsoft.com/apps/pubs/default.aspx?id=160853|title=Whole-system Persistence with Non-volatile Memories|accessdate=2014-05-08|work=microsoft.com|archive-date=2013-12-10|archive-url=https://web.archive.org/web/20131210053604/http://research.microsoft.com/apps/pubs/default.aspx?id=160853|dead-url=no}}&amp;lt;/ref&amp;gt;{{Failed verification|date=2017年9月}}、数据安全性和系统崩溃恢复时间。这增强了[[固态硬盘]]（SSD）的耐用性和可靠性。&amp;lt;ref&amp;gt;{{Cite web|url=http://research.microsoft.com/apps/pubs/default.aspx?id=162804|title=The Bleak Future of NAND Flash Memory|accessdate=2014-05-08|work=microsoft.com|archive-date=2014-10-28|archive-url=https://web.archive.org/web/20141028232731/http://research.microsoft.com/apps/pubs/default.aspx?id=162804|dead-url=no}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{Cite web|url=http://www.storagenewsletter.com/news/flash/ohio-state-university-and-hp-labs-ssds|title=SSDs Risk Massive Data Loss|accessdate=2013-09-06|date=2013-03-11|work=Storagenewsletter.com|archive-url=https://web.archive.org/web/20130602103232/http://www.storagenewsletter.com/news/flash/ohio-state-university-and-hp-labs-ssds|archive-date=2013-06-02|dead-url=yes}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== 类型 ==&lt;br /&gt;
JEDEC标准组织有三种型号的NVDIMM实现：&amp;lt;ref&amp;gt;{{Cite web|url=http://www.plexistor.com/aliquam-erat-volutpat/|title=Welcome to the era of NVDIMM Cards|accessdate=2015-08-23|work=plexistor.com|archive-date=2018-12-23|archive-url=https://web.archive.org/web/20181223030214/http://www.plexistor.com/aliquam-erat-volutpat/|dead-url=no}}&amp;lt;/ref&amp;gt;{{Primary source-inline|date=August 2015}}&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;NVDIMM-F&amp;#039;&amp;#039;&amp;#039;：直接采用闪存作为内存的DIMM&amp;lt;ref&amp;gt;{{cite web|title=混合記憶體 NVDIMM 現身，用以填補 DRAM 與 NAND Flash 不足|url=https://technews.tw/2016/07/18/using-nvdimm-ns-to-improve-your-storage-performance/|website=科技新報|accessdate=2017-11-27|archive-date=2017-12-01|archive-url=https://web.archive.org/web/20171201043601/https://technews.tw/2016/07/18/using-nvdimm-ns-to-improve-your-storage-performance/|dead-url=no}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{cite web|author1=快科技|title=美光宣布新一代NVDIMM-N内存条：自带64GB闪存|url=https://tech.sina.com.cn/n/k/2017-11-14/doc-ifynstfh7853203.shtml|website=新浪科技|accessdate=2017-11-27|date=2017-11-14|archive-date=2017-12-01|archive-url=https://web.archive.org/web/20171201044112/https://tech.sina.com.cn/n/k/2017-11-14/doc-ifynstfh7853203.shtml|dead-url=no}}&amp;lt;/ref&amp;gt;。系统用户需要将存储DIMM与传统DRAM DIMM配对。NVDIMM-F已于2014年出产。&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;NVDIMM-N&amp;#039;&amp;#039;&amp;#039;：一个同时采用闪存与传统DRAM的DIMM模块。计算机直接访问传统DRAM。在发生电源故障时，模块将数据从易失性的传统DRAM复制到非易失性的闪存，并在恢复供电时复制回来。它只需使用一个小型的备份电源。&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;NVDIMM-P&amp;#039;&amp;#039;&amp;#039;规范预计于2018年由JEDEC发布&amp;lt;ref&amp;gt;{{Cite web |url=https://www.jedec.org/news/pressreleases/jedec-ddr5-nvdimm-p-standards-under-development |title=存档副本 |accessdate=2017-11-27 |archive-date=2018-06-16 |archive-url=https://web.archive.org/web/20180616002112/https://www.jedec.org/news/pressreleases/jedec-ddr5-nvdimm-p-standards-under-development |dead-url=yes }}&amp;lt;/ref&amp;gt;。它将使用[[可變電阻式記憶體|ReRAM]]技术作为计算机的主内存，并使用[[DDR5 SDRAM|DDR5]]接口。NVDIMM-P有非易失性DRAM，并可以存取外部的面向块（闪存）驱动器作为[[缓存|内存高速缓存]]。&lt;br /&gt;
非标准的NVDIMM实现：&lt;br /&gt;
* &amp;#039;&amp;#039;&amp;#039;NVDIMM-X&amp;#039;&amp;#039;&amp;#039;：一个同时采用闪存与易失性DRAM的DDR4 DIMM，由Xitore开发。&lt;br /&gt;
截至2012年11月，大多数NVDIMM使用[[闪存|NAND闪存]]作为非易失性存储器。&amp;lt;ref&amp;gt;{{Cite web |url=http://www.storage-switzerland.com/Blog/Entries/2012/10/2_Does_DRAM_Storage_Still_Make_Sense.html |title=存档副本 |access-date=2017-11-27 |archive-url=https://archive.today/20130616142850/http://www.storage-switzerland.com/Blog/Entries/2012/10/2_Does_DRAM_Storage_Still_Make_Sense.html |archive-date=2013-06-16 |dead-url=yes }}&amp;lt;/ref&amp;gt;新兴的内存技术旨在实现无需缓存或两个单独存储器的NVDIMM。[[英特尔]]和[[美光公司]]已经宣布采用NVDIMM-F的[[3D XPoint]] [[相變化記憶體|PCM]]技术。&amp;lt;ref&amp;gt;{{cite web |url= http://www.pcworld.com/article/2973549/storage/intels-crazy-fast-3d-xpoint-optane-memory-heads-for-ddr-slots-but-with-a-catch.html |title= Intels crazy fast 3D XPoint Optane memory heads for DDR slots but with a cache |work= PCWorld |date=  |accessdate= 2015-08-21 |archive-date= 2015-08-23 |archive-url= https://web.archive.org/web/20150823185737/http://www.pcworld.com/article/2973549/storage/intels-crazy-fast-3d-xpoint-optane-memory-heads-for-ddr-slots-but-with-a-catch.html |dead-url= no }}&amp;lt;/ref&amp;gt;[[索尼]]和{{tsl|en|Sanmina Corporation|Viking科技}}也已宣布基于[[可變電阻式記憶體|ReRAM]]技术的NVDIMM-N产品。&amp;lt;ref&amp;gt;{{Cite web|url=http://www.techeye.net/business/viking-technology-and-sony-in-reram-memory-mashup|title=Viking technology and Sony in ReRAM memory mashup|accessdate=2015-08-11|author=Gil Russell|date=11 August 2015|work=TechEye.net|archive-url=https://web.archive.org/web/20150813220434/http://www.techeye.net/business/viking-technology-and-sony-in-reram-memory-mashup|archive-date=2015-08-13|dead-url=yes}}&amp;lt;/ref&amp;gt;2015年，[[三星集团|三星]]和[[网表|Netlist]]宣布了一个NVDIMM-P产品，可能基于Z-nand。&amp;lt;ref&amp;gt;{{Cite web |url=http://www.storagereview.com/netlist_and_samsung_partner_to_deliver_nvdimmp |title=Netlist And Samsung Partner To Deliver NVDIMM-P |access-date=2017-11-27 |archive-url=https://web.archive.org/web/20171201033620/http://www.storagereview.com/netlist_and_samsung_partner_to_deliver_nvdimmp |archive-date=2017-12-01 |dead-url=yes }}&amp;lt;/ref&amp;gt;&lt;br /&gt;
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== 备份电源 ==&lt;br /&gt;
NVDIMM从备份电源（BBU）[[DIMM]]演变而来，它使用一个[[後備電池]]为易失性存储器维持最长72小时的供电。但是，计算机组件中使用[[电池]]并不受欢迎，因为这寿命有限、可能被视为{{le|危险废物|Hazardous waste}}，并且含有违背[[危害性物質限制指令|RoHS]]标准的[[重金属]]。&lt;br /&gt;
&lt;br /&gt;
如果模块包含非易失性存储器，当计算机主电源发生故障时，只需很短时间的备份电源，即可使模块将数据从易失性存储器复制到非易失性存储器。因此，现代NVDIMM使用板载[[双电层电容器|超级电容]]存储电能。&lt;br /&gt;
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== 接口 ==&lt;br /&gt;
一些服务器厂商（如Supermicro）仍然制造采用[[DDR3 SDRAM|DDR3]]接口的产品，不过2014、2015年的标准化工作（如[[JEDEC]]&amp;lt;ref&amp;gt;{{Cite web|url=http://www.jedec.org/news/pressreleases/jedec-announces-support-nvdimm-hybrid-memory-modules|title=JEDEC announces support NVDIMM hybrid memory modules|accessdate=2015-05-26|publisher=JEDEC|archive-date=2015-05-29|archive-url=https://web.archive.org/web/20150529192157/http://www.jedec.org/news/pressreleases/jedec-announces-support-nvdimm-hybrid-memory-modules|dead-url=no}}&amp;lt;/ref&amp;gt;和[[高级配置与电源接口|ACPI]]）&amp;lt;ref&amp;gt;{{Cite web|url=https://www.phoronix.com/scan.php?page=news_item&amp;amp;px=ACPI-6.0-Libnd-NVDIMM-Moving|title=ACPI 6 Non-Volatile Memory Device Support NFIT libND For Linux|accessdate=2015-05-21|author=Michael Larabel|work=Phoronix|archive-date=2018-12-23|archive-url=https://web.archive.org/web/20181223030246/https://www.phoronix.com/scan.php?page=news_item&amp;amp;px=ACPI-6.0-Libnd-NVDIMM-Moving|dead-url=no}}&amp;lt;/ref&amp;gt;都已基于[[DDR4 SDRAM|DDR4]]接口。&lt;br /&gt;
&lt;br /&gt;
== 使用 ==&lt;br /&gt;
BBU DIMM最初设计是为用作[[RAID]] HBA（主机总线适配器）或系统的高速缓存，以使高速缓存中的数据能在电源故障后存留。NVDIMM已领先[[RAID]]应用进入[[数据中心]]和[[雲端運算]]的快速存储设备及内存中处理领域。&amp;lt;ref&amp;gt;{{Cite web|url=http://www.datacenteracceleration.com/author.asp?section_id=2412&amp;amp;doc_id=251009|title=John W. Verity - Non-Volatile DRAM Is Poised to Give Apps a Big Boost|accessdate=2013-09-06|work=Datacenter Acceleration|deadurl=yes|archiveurl=https://web.archive.org/web/20130104183257/http://www.datacenteracceleration.com/author.asp?section_id=2412|archivedate=2013-01-04|df=}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== 参见 ==&lt;br /&gt;
* [[非易失性随机访问内存]]（NVRAM）&lt;br /&gt;
* [[非揮發性記憶體]]（NVM）&lt;br /&gt;
&lt;br /&gt;
== 参考资料 ==&lt;br /&gt;
{{Reflist|30em}}&lt;br /&gt;
&lt;br /&gt;
[[Category:電腦記憶體]]&lt;br /&gt;
[[Category:非易失性存储器]]&lt;/div&gt;</summary>
		<author><name>~2026-20483-18</name></author>
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