{"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\/sl\/blog\/administrirovanie\/intel-optane-dc-persistent-memory-god-spustya","title":{"rendered":"Intel Optane DC Persistent Memory, eno leto pozneje","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Intel Optane DC Persistent Memory, eno leto pozneje\" src=\"\/wp-content\/uploads\/2019\/06\/60924137cc075ec5b3e0b87089659317.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV prej\u0161njem poletju smo <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/intel\/blog\/413183\/\">napovedali v blogu<\/a><\/noindex> Optane DC Persistent Memory \u2014 Optane pomnilnik na osnovi modulov <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/3D_XPoint\">3D XPoint<\/a><\/noindex> v formatu DIMM. Kot je bilo \u017ee takrat navedeno, so dobave modulov Optane za\u010dele v drugem \u010detrtletju leta 2019, do takrat se je o njih nabralo dovolj informacij, ki so takrat zelo manjkale. Torej, pod kat je \u2014 tehni\u010dne specifikacije in na\u010dini uporabe <noindex><a rel=\"nofollow\" href=\"https:\/\/www.intel.com\/content\/www\/us\/en\/products\/memory-storage\/optane-dc-persistent-memory.html\">Optane DC Persistent Memory<\/a><\/noindex>, pa tudi raznolike infografike.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nTorej, kot je bilo \u017ee omenjeno, se Optane DC Persistent Memory (Optane DC PM) vgrajuje v standardne re\u017ee DIMM DDR4, vendar za njihovo uporabo potrebujemo podporo pomnilni\u0161kega krmilnika, zato je ta vrsta pomnilnika trenutno zdru\u017eljiva le s procesorji Intel Xeon Scalable Gold ali Platinum druge generacije. Vsak spominski kanal lahko sprejme en modul Optane DC PM, torej do 6 modulov na procesor, kar zna\u0161a skupno do 3 TB ali 24 TB na 8-sokenskem stre\u017eniku.<\/p>\n<p><img decoding=\"async\" alt=\"Intel Optane DC Persistent Memory, eno leto pozneje\" src=\"\/wp-content\/uploads\/2019\/06\/5ab2c4ec05b77d285abeb177da82cc6b.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOptane DC PM je na voljo v treh velikostih: 128, 256 in 512 GB \u2014 kar je precej ve\u010d kot trenutno razpolo\u017eljivi DDR DIMM moduli. Obstajata dva glavna na\u010dina za uporabo in interakcijo s tradicionalnim pomnilnikom.<\/p>\n<ul>\n<li><b>Na\u010din pomnilnika<\/b> \u2014 ne zahteva nobenih sprememb aplikacij. V tem na\u010dinu se Optane DC PM uporablja kot glavna naslovna pomnilni\u0161ka enota, tradicionalni DRAM pa slu\u017ei kot predpomnilnik za Optane. Na\u010din pomnilnika omogo\u010da aplikacijam dostop do velike koli\u010dine RAM-a po bistveno ni\u017eji ceni, kar je lahko pomembno pri izvajanju virtualnih strojev, velikih baz podatkov itd. Upo\u0161tevati je treba, da je v tem na\u010dinu Optane DC Persistent Memory odvisna od elektri\u010dne energije, saj so podatki v njej \u0161ifrirani s klju\u010dem, ki se izgubi ob ponovnem zagonu.<\/li>\n<li><b>Na\u010din neposrednega dostopa<\/b> \u2014 aplikacije in programska oprema omogo\u010dajo neposreden dostop do Optane DC PM, kar poenostavi verigo klicev. V tem na\u010dinu lahko uporabljate obstoje\u010de API-je za shranjevanje, kar omogo\u010da delovanje pomnilnika kot SSD in, zlasti, zagon iz njega. Sistem vidi Optane DC PM in DRAM kot dva neodvisna sklopa pomnilnika. Va\u0161a prednost je velika koli\u010dina, neodvisno od energije, hitra in zanesljiva shramba za zahtevne aplikacije in sistemske potrebe. <\/li>\n<\/ul>\n<p>\nMogo\u010de je tudi vmesna razli\u010dica: del modulov Optane DC PM deluje v na\u010dinu pomnilnika, del pa v na\u010dinu neposrednega dostopa. Na naslednjem diapozitivu je prikazana uporaba Intel Optane DC Persistent Memory za gostovanje virtualnih strojev.<\/p>\n<p><img decoding=\"async\" alt=\"Intel Optane DC Persistent Memory, eno leto pozneje\" src=\"\/wp-content\/uploads\/2019\/06\/ce5bbac059568b89df753f8c07318e67.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSedaj bomo navedli tehni\u010dne specifikacije spominskih modulov.<\/p>\n<p>Kapaciteta<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>Garancija<br \/>\n 5 let<\/p>\n<p>AFR<br \/>\n \u2264 0.44<\/p>\n<p>Vzdr\u017enost 100% zapis 15W 256B<br \/>\n 292 PBW<br \/>\n 363 PBW<br \/>\n 300 PBW<\/p>\n<p>Vzdr\u017enost 100% zapis 15W 64B<br \/>\n 91 PBW<br \/>\n 91 PBW<br \/>\n 75 PBW<\/p>\n<p>Hitrost 100% branje 15W 256B<br \/>\n 6.8 GB\/s<br \/>\n 6.8 GB\/s<br \/>\n 5.3 GB\/s<\/p>\n<p>Hitrost 100% zapis 15W 256B<br \/>\n 1.85 GB\/s<br \/>\n 2.3 GB\/s<br \/>\n 1.89 GB\/s<\/p>\n<p>Hitrost 100% branje 15W 64B<br \/>\n 1.7 GB\/s<br \/>\n 1.75 GB\/s<br \/>\n 1.4 GB\/s<\/p>\n<p>Hitrost 100% zapis 15W 64B<br \/>\n 0.45 GB\/s<br \/>\n 0.58 GB\/s<br \/>\n 0.47 GB\/s<\/p>\n<p>Frekvenca DDR<br \/>\n 2666, 2400, 2133, 1866 MT\/s<\/p>\n<p>Maks. TDP<br \/>\n 15W<br \/>\n 18W<\/p>\n<p>In \u0161e na koncu, o ceni. Uradna priporo\u010dena cena Intel \u0161e ni bila objavljena, vendar so nekateri trgovski partnerji \u017ee za\u010deli zbirati prednaro\u010dila po ceni od 850 do 900 USD za modul 128 GB in od 2700 do 2900 USD za 256 GB. Modul 512 GB \u0161e ni na voljo, verjetno bo predstavljanje kasneje. Tako se cena za gigabajt za\u010dne pri 7 USD, kar je primerljivo s ceno gigabajta stre\u017enega pomnilnika RDIMM.<br \/>\n<br \/>Izvor: <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 5.0.4 - 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\/sl\/blog\/administrirovanie\/intel-optane-dc-persistent-memory-god-spustya\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" 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