{"id":35740,"date":"2019-10-31T22:06:05","date_gmt":"2019-10-31T19:06:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/intel-optane-dc-persistent-memory-god-spustya\/"},"modified":"2019-10-31T22:06:05","modified_gmt":"2019-10-31T19:06:05","slug":"intel-optane-dc-persistent-memory-god-spustya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/intel-optane-dc-persistent-memory-god-spustya","title":{"rendered":"Intel Optane DC Persistent Memory, et \u00e5r senere","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Intel Optane DC Persistent Memory, et \u00e5r senere\" src=\"\/wp-content\/uploads\/2019\/06\/60924137cc075ec5b3e0b87089659317.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSommeren sidste \u00e5r annoncerede vi p\u00e5 bloggen <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/intel\/blog\/413183\/\">Optane DC Persistent Memory \u2014 Optane-hukommelse baseret p\u00e5 moduler<\/a><\/noindex> 3D XPoint <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/3D_XPoint\">i DIMM-format. Som tidligere n\u00e6vnt startede leveringen af Optane-moduler i andet kvartal af 2019; p\u00e5 dette tidspunkt var der samlet nok information, som vi savnede dengang under annonceringen. S\u00e5, under overskriften \u2014 tekniske specifikationer og anvendelsesmodeller<\/a><\/noindex> Optane DC Persistent Memory <noindex><a rel=\"nofollow\" href=\"https:\/\/www.intel.com\/content\/www\/us\/en\/products\/memory-storage\/optane-dc-persistent-memory.html\">, samt forskellige infografikker.<\/a><\/noindex>Som tidligere n\u00e6vnt installeres Optane DC Persistent Memory (Optane DC PM) i standard DIMM DDR4-slots, men brugen kr\u00e6ver st\u00f8tte fra hukommelseskontrolleren, s\u00e5 denne type hukommelse kan i \u00f8jeblikket kun anvendes med Intel Xeon Scalable Gold eller Platinum processorer af anden generation. Der kan installeres \u00e9t Optane DC PM-modul pr. hukommelseskanel, hvilket betyder op til 6 moduler pr. sokkel, eller i alt 3 TB eller 24 TB i en 8-sokkels server.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nOptane DC PM f\u00e5s i moduler med 3 st\u00f8rrelser: 128, 256 og 512 GB \u2014 betydeligt mere end de tilg\u00e6ngelige DDR DIMM-moduler i dag. Der findes to hovedm\u00e5der at anvende den p\u00e5 og interagere med traditionel hukommelse.<\/p>\n<p><img decoding=\"async\" alt=\"Intel Optane DC Persistent Memory, et \u00e5r senere\" src=\"\/wp-content\/uploads\/2019\/06\/5ab2c4ec05b77d285abeb177da82cc6b.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nHukommelsestilstand<\/p>\n<ul>\n<li><b>\u2014 kr\u00e6ver ikke nogen modifikationer af applikationerne. I denne tilstand bruges Optane DC PM som prim\u00e6r adresserbar RAM-hukommelse, mens den eksisterende m\u00e6ngde traditionel DRAM fungerer som cache for Optane. Hukommelsestilstanden g\u00f8r det muligt at tilbyde applikationer en stor m\u00e6ngde RAM til en v\u00e6sentligt lavere pris, hvilket kan v\u00e6re vigtigt ved hostning af virtuelle maskiner, store databaser osv. Det skal bem\u00e6rkes, at i denne tilstand er Optane DC Persistent Memory energiberoende, da dataene er krypteret med en n\u00f8gle, der g\u00e5r tabt ved genstart.<\/b> Direkte adgangsmodus<\/li>\n<li><b>\u2014 applikationer og software har mulighed for direkte at tilg\u00e5 Optane DC PM, hvilket forenkler opkaldsk\u00e6den. Det er ogs\u00e5 muligt at bruge eksisterende API'er fra lagermidlerne i denne tilstand, hvilket g\u00f8r det muligt at arbejde med hukommelsen som med SSD og specifikt at starte fra den. Systemet ser Optane DC PM og DRAM som to uafh\u00e6ngige hukommelsespuljer. Din fordel \u2014 en stor, energieffektiv, hurtig og p\u00e5lidelig lagring til dataintensive applikationer og systembehov.<\/b> \u2014 applikationer og software har mulighed for direkte at tilg\u00e5 Optane DC PM, hvilket forenkler opkaldsk\u00e6den. Det er ogs\u00e5 muligt at bruge eksisterende API'er fra lagermidlerne i denne tilstand, hvilket g\u00f8r det muligt at arbejde med hukommelsen som med SSD og specifikt at starte fra den. Systemet ser Optane DC PM og DRAM som to uafh\u00e6ngige hukommelsespuljer. Din fordel \u2014 en stor, energieffektiv, hurtig og p\u00e5lidelig lagring til dataintensive applikationer og systembehov. <\/li>\n<\/ul>\n<p>\nDer er ogs\u00e5 en mellemting: nogle af Optane DC PM-modulerne bruges i hukommelsestilstand, mens andre bruges i direkte adgangstilstand. P\u00e5 den f\u00f8lgende slide vises fordelene ved at anvende Intel Optane DC Persistent Memory til hosting af virtuelle maskiner.<\/p>\n<p><img decoding=\"async\" alt=\"Intel Optane DC Persistent Memory, et \u00e5r senere\" src=\"\/wp-content\/uploads\/2019\/06\/ce5bbac059568b89df753f8c07318e67.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nLad os nu gennemg\u00e5 specifikationerne for hukommelsesmodulerne.<\/p>\n<p>Kapacitet<br \/>\n 128 GiB<br \/>\n 256 GiB<br \/>\n 512 GiB<\/p>\n<p>Model<br \/>\n NMA1XXD128GPS<br \/>\n NMA1XXD256GPS<br \/>\n NMA1XXD512GPS<\/p>\n<p>Garanti<br \/>\n 5 \u00e5r<\/p>\n<p>AFR<br \/>\n \u2264 0.44<\/p>\n<p>Uholdbarhed 100% skrivning 15W 256B<br \/>\n 292 PBW<br \/>\n 363 PBW<br \/>\n 300 PBW<\/p>\n<p>Uholdbarhed 100% skrivning 15W 64B<br \/>\n 91 PBW<br \/>\n 91 PBW<br \/>\n 75 PBW<\/p>\n<p>Hastighed 100% l\u00e6sning 15W 256B<br \/>\n 6.8 GB\/s<br \/>\n 6.8 GB\/s<br \/>\n 5.3 GB\/s<\/p>\n<p>Hastighed 100% skrivning 15W 256B<br \/>\n 1.85 GB\/s<br \/>\n 2.3 GB\/s<br \/>\n 1.89 GB\/s<\/p>\n<p>Hastighed 100% l\u00e6sning 15W 64B<br \/>\n 1.7 GB\/s<br \/>\n 1.75 GB\/s<br \/>\n 1.4 GB\/s<\/p>\n<p>Hastighed 100% skrivning 15W 64B<br \/>\n 0.45 GB\/s<br \/>\n 0.58 GB\/s<br \/>\n 0.47 GB\/s<\/p>\n<p>DDR-frekvens<br \/>\n 2666, 2400, 2133, 1866 MT\/s<\/p>\n<p>Maks. TDP<br \/>\n 15W<br \/>\n 18W<\/p>\n<p>Og til sidst, prisen. Der er endnu ikke offentliggjort officielle anbefalede priser fra Intel, men en r\u00e6kke af virksomhedens handelspartnere er allerede begyndt at tage imod forudbestillinger, fra $850 \u2013 900 for en 128 GB modul og $2.700 \u2013 $2.900 for 256 GB. 512 GB tilbydes endnu ikke, sandsynligvis vil de komme senere. S\u00e5ledes starter den specifikke pris fra $7 per GB, hvilket er sammenligneligt med prisen p\u00e5 en gigabyte serverhukommelse RDIMM.<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/intel\/blog\/457540\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041b\u0435\u0442\u043e\u043c \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0433\u043e\u0434\u0430 \u043c\u044b \u0430\u043d\u043e\u043d\u0441\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u0432 \u0431\u043b\u043e\u0433\u0435 Optane DC Persistent Memory \u2014 \u043f\u0430\u043c\u044f\u0442\u044c Optane \u043d\u0430 \u0431\u0430\u0437\u0435 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 3D XPoint \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 DIMM. \u041a\u0430\u043a \u0438 \u0431\u044b\u043b\u043e \u0442\u043e\u0433\u0434\u0430 \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u043e, \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0438 \u043f\u043b\u0430\u043d\u043e\u043a Optane \u043d\u0430\u0447\u0430\u043b\u0438\u0441\u044c \u0432\u043e \u0432\u0442\u043e\u0440\u043e\u043c \u043a\u0432\u0430\u0440\u0442\u0430\u043b\u0435 2019 \u0433\u043e\u0434\u0430, \u043a \u044d\u0442\u043e\u043c\u0443 \u043c\u043e\u043c\u0435\u043d\u0442\u0443 \u043e \u043d\u0438\u0445 \u043d\u0430\u043a\u043e\u043f\u0438\u043b\u043e\u0441\u044c \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0442\u0430\u043a \u043d\u0435 \u0445\u0432\u0430\u0442\u0430\u043b\u043e \u0442\u043e\u0433\u0434\u0430, \u0432\u043e \u0432\u0440\u0435\u043c\u044f \u0430\u043d\u043e\u043d\u0441\u0430. \u0418\u0442\u0430\u043a, \u043f\u043e\u0434 \u043a\u0430\u0442\u043e\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26777,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-35740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041b\u0435\u0442\u043e\u043c \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0433\u043e\u0434\u0430 \u043c\u044b\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/intel-optane-dc-persistent-memory-god-spustya\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" 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