{"id":228,"date":"2016-04-22T16:52:00","date_gmt":"2016-04-22T13:52:00","guid":{"rendered":"http:\/\/www.bilisimonline.net\/?p=228"},"modified":"2016-04-22T16:54:57","modified_gmt":"2016-04-22T13:54:57","slug":"18-tb-helyum-hard-diskler","status":"publish","type":"post","link":"http:\/\/www.bilisimonline.net\/index.php\/2016\/04\/22\/18-tb-helyum-hard-diskler\/","title":{"rendered":"18 TB Helyum Hard diskler"},"content":{"rendered":"

Merhaba bu yaz\u0131m\u0131zda helyum gaz\u0131 kullan\u0131larak nas\u0131l y\u00fcksek kapasiteli diskler \u00fcretilebildi\u011finden bahsedece\u011fiz. Yeni raporlara g\u00f6re \u00f6n\u00fcm\u00fczdeki birka\u00e7 y\u0131l i\u00e7inde Helyum kullan\u0131lan hard diskler sayesinde daha y\u00fcksek kapasiteli hard diskler \u00fcretilebilecek. 2018 y\u0131l\u0131na kadar bu kapasitenin 18 TB seviyelerinde olmas\u0131 bekleniyor. Helyum gaz\u0131n\u0131n disk kapasitesi \u00fczerindeki etkisini a\u00e7\u0131klayal\u0131m.<\/span><\/span><\/p>\n

Helyum yo\u011funlu\u011fu havadan daha d\u00fc\u015f\u00fck ve kullan\u0131m alan\u0131 (<\/span><\/span>s\u0131cak hava <\/span><\/span>balonlar\u0131<\/span><\/span> ve <\/span><\/span>zeplinler vb.<\/span><\/span>) \u00e7ok azd\u0131r. Ayn\u0131 zamanda olduk\u00e7a pahal\u0131 ve atmosferde az bulunan bir maddedir. <\/span><\/span>Helyum, s\u0131v\u0131 havan\u0131n fraksiyonlu destilasyonundan elde edilir. Yan\u0131c\u0131-patlay\u0131c\u0131 \u00f6zelli\u011fi olmad\u0131\u011f\u0131 i\u00e7in de hidrojene g\u00f6re daha g\u00fcvenlidir ama bu g\u00fcvenlik pahal\u0131 oldu\u011fu i\u00e7in bu madde pek kullan\u0131lmamaktad\u0131r. Pahal\u0131 olmas\u0131n\u0131n nedeni evren de hidrojenden sonra en \u00e7ok bulunan element olmas\u0131na ve d\u00fcnya atmosferinde 1\/200.000 oran\u0131nda bulunmas\u0131na ra\u011fmen, s\u0131v\u0131 havan\u0131n ayr\u0131msal dam\u0131t\u0131lmas\u0131yla elde edilemez. Bunun sebebi, Helyumun atmosferdeki di\u011fer bir \u00e7ok gaz\u0131n aksine Joul-Thompson katsay\u0131s\u0131n\u0131n pozitif olmay\u0131\u015f\u0131d\u0131r. Bu da onun s\u0131k\u0131\u015ft\u0131r\u0131lmak suretiyle s\u0131v\u0131la\u015ft\u0131r\u0131lmas\u0131n\u0131 engeller ve de havadan elde edilmesini imkans\u0131z hale getirir. Hard disklerin i\u00e7indeki hava al\u0131n\u0131r, buna ra\u011fmen az bir miktarda olsa hava bulunur. Disk i\u00e7inde havan\u0131n bulunmas\u0131 plakalar \u00fczerinde plakalar\u0131n bir diren\u00e7 olu\u015fturmaktad\u0131r. Bu da olumsuz bir etki yaratmaktad\u0131r.\u0130\u015fte bu kadar az hava disk i\u00e7inde 5 disk plakas\u0131ndan fazlas\u0131n\u0131 koymam\u0131z\u0131 engelliyor. G\u00f6r\u00fcyorsunuz de\u011fil mi soludu\u011fumuz hava neler yapabiliyor.<\/span><\/span><\/p>\n

Helyum burada yard\u0131ma ko\u015fuyor disk plakalar\u0131n\u0131n aras\u0131nda az miktarda kalan hava yerine helyum kullanarak plakalar\u0131n t\u00fcrb\u00fclansa girmesi engellenir. Mekanik titresim problemleri ortadan kalkar, s\u00fcrt\u00fcnme azal\u0131r ve disk s\u0131cakl\u0131\u011f\u0131 d\u00fc\u015fer. Hava yo\u011funlu\u011funun sebep oldu\u011fu gecikmeler ise ortadan kalkar ve disklerdeki <\/span><\/span>okuma<\/span><\/span> yazma<\/span><\/span> kafalar\u0131 daha rahat \u00e7al\u0131\u015f\u0131r. Helyum sayesinde disk plaka say\u0131s\u0131 5’in \u00fczerine \u00e7\u0131kabilecek ve daha sessiz ve performansl\u0131 \u00e7al\u0131\u015fan diskler g\u00f6rebilece\u011fiz. Disklerin kapasiteleri artarken g\u00fc\u00e7 t\u00fcketimi %20 oran\u0131nda azal\u0131yor.<\/span><\/span><\/p>\n

Peki SSD taraf\u0131nda ne oluyor, A\u011fustos 2015 tarihinde rekor <\/span><\/span>2.5 in\u00e7 PM1633a 16 TB SSD<\/span><\/span><\/strong> modeli ile <\/span><\/span>Samsung <\/span><\/span><\/strong>firmas\u0131nda, yanl\u0131\u015f duymad\u0131n\u0131z. NAND Fla\u015f tabakas\u0131 ve 3 boyutlu s\u0131ralama teknolojileri ile bu ba\u015far\u0131y\u0131 yakalayan <\/span><\/span>Samsung<\/span><\/span><\/strong>‘un, bu modeli saniyede 2 milyon giri\u015f \u00e7\u0131k\u0131\u015f i\u015femi yapabiliyormu\u015f.<\/span><\/span><\/p>\n

Sonu\u00e7 olarak her ne kadar h\u0131z teknolojisi (SSD hari\u00e7) de\u011fi\u015fmesede disk alan\u0131ndaki bu kapasite art\u0131\u015flar\u0131n\u0131n veri merkezlerinde, bulut teknolojilerinde ve disk birimlerinde olumlu d\u00f6n\u00fc\u015fleri olaca\u011f\u0131 kesindir.<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Merhaba bu yaz\u0131m\u0131zda helyum gaz\u0131 kullan\u0131larak nas\u0131l y\u00fcksek kapasiteli diskler \u00fcretilebildi\u011finden bahsedece\u011fiz. Yeni raporlara g\u00f6re \u00f6n\u00fcm\u00fczdeki birka\u00e7 y\u0131l i\u00e7inde Helyum kullan\u0131lan hard diskler sayesinde daha y\u00fcksek kapasiteli hard diskler \u00fcretilebilecek. 2018 y\u0131l\u0131na kadar bu kapasitenin 18 TB seviyelerinde olmas\u0131 bekleniyor. Helyum gaz\u0131n\u0131n disk kapasitesi \u00fczerindeki etkisini a\u00e7\u0131klayal\u0131m.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[25,23],"tags":[211,212],"class_list":["post-228","post","type-post","status-publish","format-standard","hentry","category-disk","category-donanim","tag-helium-using-hard-disks","tag-ssd"],"jetpack_publicize_connections":[],"aioseo_notices":[],"views":1887,"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7k56R-3G","jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/posts\/228"}],"collection":[{"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/comments?post=228"}],"version-history":[{"count":2,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/posts\/228\/revisions"}],"predecessor-version":[{"id":230,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/posts\/228\/revisions\/230"}],"wp:attachment":[{"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/media?parent=228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/categories?post=228"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.bilisimonline.net\/index.php\/wp-json\/wp\/v2\/tags?post=228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}