{"id":10919,"date":"2017-08-15T12:28:26","date_gmt":"2017-08-15T10:28:26","guid":{"rendered":"https:\/\/toshibaelectronicseuropegmbh.preview.pslsrv.com\/about\/press-center\/a-nas-es-felugyeleti-meghajtok-miben-masok-es-miert-kell-tudni-roluk\/"},"modified":"2017-12-04T17:50:25","modified_gmt":"2017-12-04T16:50:25","slug":"nas-and-surveillance-drives-how-theyre-different-and-why-theyre-a-big-deal","status":"publish","type":"post","link":"https:\/\/www.toshiba-storage.com\/hu\/about\/press-center\/nas-and-surveillance-drives-how-theyre-different-and-why-theyre-a-big-deal\/","title":{"rendered":"A NAS \u00e9s fel\u00fcgyeleti meghajt\u00f3k: miben m\u00e1sok, \u00e9s mi\u00e9rt kell tudni r\u00f3luk?"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<strong>Mi a k\u00fcl\u00f6nbs\u00e9g a NAS \u00e9s a fel\u00fcgyeleti HDD-k, illetve a hagyom\u00e1nyos asztali meghajt\u00f3k k\u00f6z\u00f6tt?<\/strong><\/p>\n<p>A h\u00e1l\u00f3zati adatt\u00e1rol\u00f3 (network-attached storage, NAS) \u00e9s fel\u00fcgyeleti merevlemezmeghajt\u00f3kat (HDD-k) \u00fagy alkott\u00e1k meg \u00e9s aszerint tesztelt\u00e9k, hogy m\u0171k\u00f6d\u00e9se megb\u00edzhat\u00f3 legyen, ak\u00e1r folyamatos, \u00e9jjel-nappal tart\u00f3 \u00fczemel\u00e9s sor\u00e1n is. A legt\u00f6bb asztali sz\u00e1m\u00edt\u00f3g\u00e9pben \u00e9s laptopban l\u00e9v\u0151 meghajt\u00f3t nem ilyen felhaszn\u00e1l\u00e1si m\u00f3d szerint alkott\u00e1k meg.<\/p>\n<p>Ezen k\u00edv\u00fcl a NAS HDD-k, \u00edgy p\u00e9ld\u00e1ul a <a href=\"https:\/\/www.toshiba-storage.com\/products\/toshiba-internal-hard-drives-n300-2024\/\">Toshiba N300<\/a> \u00e9s a fel\u00fcgyeleti HDD-k \u00e1ltal\u00e1ban be\u00e9p\u00edtett forg\u00e1sirezg\u00e9s-\u00e9rz\u00e9kel\u0151vel is rendelkeznek. Ezek lehet\u0151v\u00e9 teszik t\u00f6bb meghajt\u00f3 egym\u00e1shoz k\u00f6zel t\u00f6rt\u00e9n\u0151 biztons\u00e1gos beszerel\u00e9s\u00e9t ugyanabba a h\u00e1zba, mik\u00f6zben azok ugyanolyan megb\u00edzhat\u00f3an m\u0171k\u00f6dnek. Az \u00e9rz\u00e9kel\u0151k n\u00e9lk\u00fcl fenn\u00e1llna a vesz\u00e9ly, hogy a forg\u00e1si rezg\u00e9s kihat a t\u00f6bbpoz\u00edci\u00f3j\u00fa rendszerben l\u00e9v\u0151 t\u00f6bbi meghajt\u00f3ra.<\/p>\n<p><strong>Hol helyezkednek el a NAS \u00e9s fel\u00fcgyeleti meghajt\u00f3k a szerverekben l\u00e9v\u0151 fels\u0151 kateg\u00f3ri\u00e1s HDD-khez k\u00e9pest?<\/strong><\/p>\n<p>A NAS \u00e9s fel\u00fcgyeleti meghajt\u00f3khoz hasonl\u00f3an a szerverszint\u0171 merevlemez-meghajt\u00f3kat is folyamatos m\u0171k\u00f6d\u00e9sre \u00e9s t\u00f6bb, egym\u00e1s k\u00f6zvetlen k\u00f6zel\u00e9ben m\u0171k\u00f6d\u0151 merevlemezekb\u0151l \u00e1ll\u00f3 rendszerekhez tervezt\u00e9k. A legfontosabb k\u00fcl\u00f6nbs\u00e9g az adatterhel\u00e9sben van: a szerverekben l\u00e9v\u0151 HDD-ket nagyon sok felhaszn\u00e1l\u00f3ra kiszolg\u00e1l\u00e1s\u00e1ra, \u00e9s intenz\u00edven haszn\u00e1lt termel\u00e9si adatb\u00e1zisok nagy mennyis\u00e9g\u0171 munk\u00e1j\u00e1ra alkott\u00e1k meg. Ezzel szemben a NAS \u00e9s fel\u00fcgyeleti HDD-ket az alacsonyabb munkaterhel\u00e9s\u0171 fel\u00fcgyeleti vagy k\u00f6zponti h\u00e1l\u00f3zatok adatt\u00e1rol\u00e1s\u00e1ra tervezt\u00e9k.<\/p>\n<p>Ennek megfelel\u0151en a NAS \u00e9s fel\u00fcgyeleti HDD-k a szerverszint\u0171 \u00e9s az asztali t\u00edpus\u00fa merevlemezek k\u00f6z\u00f6tt helyezkednek el, mind terhel\u00e9si kapacit\u00e1suk, mind \u00e1ruk tekintet\u00e9ben.<\/p>\n<p><strong>Egyre t\u00f6bb adat t\u00e1rol\u00e1sa t\u00f6rt\u00e9nik az adatfelh\u0151ben. Mi\u00e9rt van m\u00e9g mindig ig\u00e9ny a helyi t\u00e1rol\u00e1sra, k\u00fcl\u00f6n\u00f6sen a NAS-ra?<\/strong><\/p>\n<p>Mindannyian hallottunk m\u00e1r a glob\u00e1lis adatrobban\u00e1sr\u00f3l, \u00e9s b\u00e1r a felh\u0151 bizonyos m\u00e9rt\u00e9kben megold\u00e1st ny\u00fajt a t\u00e1rol\u00e1si ig\u00e9nyekre, vannak olyan esetek, amikor az adatokat helyi szinten kell t\u00e1rolni. Egyre jobban fel\u00e9rt\u00e9kel\u0151dik tov\u00e1bb\u00e1 a robosztus, megb\u00edzhat\u00f3 biztons\u00e1gi ment\u00e9sek jelent\u0151s\u00e9ge. Mindez a vil\u00e1g folyamatosan n\u00f6vekv\u0151 adatmennyis\u00e9g\u00e9vel kombin\u00e1lva azt eredm\u00e9nyezi, hogy az adatm\u00e1solatok meg\u0151rz\u00e9si ig\u00e9nye megsokszorozza a t\u00e1rol\u00e1si kapacit\u00e1sra ir\u00e1nyul\u00f3 k\u00f6vetelm\u00e9nyeket a NAS \u00e9s fel\u00fcgyeleti rendszereket haszn\u00e1l\u00f3 otthoni felhaszn\u00e1l\u00f3kt\u00f3l a nagy v\u00e1llalatokig minden ter\u00fcleten.<\/p>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<p>A NAS-rendszerek fejl\u0151d\u00e9s\u00fcknek k\u00f6sz\u00f6nhet\u0151en m\u00e1ra m\u00e1r sz\u00e1mos olyan funkci\u00f3t tartalmaznak, amelyeket kor\u00e1bban csak a Fibre Channel csatlakoz\u00f3kkal b\u00edr\u00f3, dr\u00e1g\u00e1bb, v\u00e1llalati (enterprise) t\u00e1rol\u00f3 szerverrendszerekben tal\u00e1ltunk meg. Ez azt jelenti, hogy ahogy a t\u00e1rol\u00e1si ig\u00e9ny n\u0151, k\u00fcl\u00f6n\u00f6sen az \u00fczleti szf\u00e9r\u00e1ban, a Toshiba N300 NAS HDD-j\u00e9vel a NASrendszerek egyre nagyobb ter\u00fcleteken haszn\u00e1lhat\u00f3k.<\/p>\n<p><strong>Az SSD-k \u00e1r\u00e1nak folyamatos cs\u00f6kken\u00e9s\u00e9vel van m\u00e9g helye a forg\u00f3lemezes t\u00e1rol\u00f3knak?<\/strong><\/p>\n<p>A tart\u00f3s \u00e1llapot\u00fa meghajt\u00f3k (solid state drives, SSD) \u00e1ra nagy m\u00e9rt\u00e9kben cs\u00f6kkent, \u00e9s a fels\u0151 kateg\u00f3ri\u00e1s NAS-rendszerek haszn\u00e1lj\u00e1k is ezeket a gyors\u00edt\u00f3t\u00e1rhoz. Az SSD-k kiz\u00e1r\u00f3lag a teljes\u00edtm\u00e9nyr\u0151l sz\u00f3lnak, a forg\u00f3lemezes HDD-k azonban m\u00e9g mindig fel\u00fclm\u00falj\u00e1k ezeket, ha gazdas\u00e1gos, ugyanakkor nagy kapacit\u00e1sra van sz\u00fcks\u00e9g\u00fcnk. Ezenk\u00edv\u00fcl a t\u00f6bbek k\u00f6z\u00f6tt a HDD-k adats\u0171r\u0171s\u00e9g\u00e9re \u00e9s a lemezek sz\u00e1m\u00e1nak n\u00f6vel\u00e9s\u00e9re ir\u00e1nyul\u00f3 rengeteg kutat\u00e1s \u00e9s fejleszt\u00e9s r\u00e9v\u00e9n l\u00e1tni fogjuk, hogy a gigab\u00e1jtonk\u00e9nti \u00e1r tov\u00e1bb cs\u00f6kken a kapacit\u00e1s n\u00f6veked\u00e9s\u00e9vel p\u00e1rhuzamosan. Mindezek eredm\u00e9nyek\u00e9nt a t\u00e1rol\u00e1si rendszerek l\u00e9tfontoss\u00e1g\u00fa tagja marad a k\u00f6vetkez\u0151 legal\u00e1bb 10 \u00e9vben.<\/p>\n<p><strong>Mi\u00e9rt tudnak a HDD-k gazdas\u00e1gosabban n\u00f6vekedni, mint az SDD-k?<\/strong><\/p>\n<p>Az SSD-k l\u00e9nyeg\u00e9ben t\u00e1rol\u00f3cell\u00e1kb\u00f3l \u00e9p\u00fclnek fel, amelyek mindegyike saj\u00e1t olvas\u00f3\/\u00edr\u00f3 tranzisztorral \u00e9s vezet\u00e9kekkel rendelkezik. J\u00f3llehet a cell\u00e1k kisebb m\u00e9ret\u0171ek \u00e9s 3 dimenzi\u00f3ban sorolhat\u00f3k, a kapacit\u00e1s megk\u00e9tszerez\u00e9s\u00e9hez a t\u00e1rol\u00f3cell\u00e1k megdupl\u00e1z\u00e1sa sz\u00fcks\u00e9ges, amely egyszerre k\u00e9tszer annyi tranzisztort \u00e9s vezet\u00e9ket is jelent, \u00edgy megn\u00f6veli a k\u00f6lts\u00e9get. A forg\u00f3lemezes HDD-k eset\u00e9n mindig van lehet\u0151s\u00e9g az \u00edr\u00e1si s\u0171r\u0171s\u00e9g n\u00f6vel\u00e9s\u00e9re \u00e9s olcs\u00f3bb lemezek hozz\u00e1ad\u00e1s\u00e1ra, a fizikai m\u00e9ret vagy az \u00e1r jelent\u0151s n\u00f6vel\u00e9se n\u00e9lk\u00fcl.<\/p>\n<p><strong>Milyen kapacit\u00e1s v\u00e1rhat\u00f3 a NAS-szint\u0171 merevlemezek eset\u00e9n r\u00f6vid- \u00e9s hossz\u00fat\u00e1von?<\/strong><\/p>\n<p>Nemr\u00e9g el\u0151rel\u00e9p\u00e9st tapasztaltunk az adatok \u00edr\u00e1s\u00e1nak m\u00f3dja \u00e9s a hagyom\u00e1nyos, 3,5 h\u00fcvelykes alakt\u00e9nyez\u0151be illeszthet\u0151 lemezek sz\u00e1ma ter\u00e9n. Mindk\u00e9t fejleszt\u00e9s azt jelenti, hogy m\u00e1ra m\u00e1r ak\u00e1r 8 TB-os kapacit\u00e1s\u00fa NAS-szint\u0171 meghajt\u00f3kat is kaphatunk.<\/p>\n<p>A k\u00f6vetkez\u0151 l\u00e9p\u00e9s az lehet, hogy bevezetj\u00fck a \u2013 m\u00e1r n\u00e9h\u00e1ny szerverszint\u0171 alkalmaz\u00e1sn\u00e1l megtal\u00e1lhat\u00f3 \u2013 h\u00e9liumt\u00f6lt\u00e9s\u0171 lemezeket a NAS-rendszerekbe. Ennek r\u00e9v\u00e9n a lemezek v\u00e9konyabb\u00e1 v\u00e1lhatnak, azaz m\u00e9g t\u00f6bbet lehet majd bel\u0151l\u00fcnk ugyanabba a merevlemezh\u00e1zba tenni. Ezzel a fejleszt\u00e9ssel el\u00e9rhetj\u00fck, hogy a NAS-meghajt\u00f3k kapacit\u00e1sa ak\u00e1r 14 TB-ra is ugorhat.<\/p>\n<p>L\u00e9teznek tov\u00e1bb\u00e1 a HDD-iparban \u00faj \u00edr\u00e1si technol\u00f3gi\u00e1k kifejleszt\u00e9s\u00e9re ir\u00e1nyul\u00f3 er\u0151fesz\u00edt\u00e9sek is, \u00e9s ezeknek k\u00f6sz\u00f6nhet\u0151en a NAS HDD-kapacit\u00e1s megk\u00f6zel\u00edtheti, \u00e9s adott esetben meg is haladhatja a 40 TB-os kapacit\u00e1skorl\u00e1tot.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/4&#8243;][vc_single_image image=&#8221;9919&#8243; img_size=&#8221;medium&#8221;][\/vc_column][vc_column width=&#8221;3\/4&#8243;][vc_column_text]<\/p>\n<p><strong>Szerz\u0151:<\/strong><\/p>\n<p><strong>Rainer W. Kaese &#8211; Szenior \u00dczletfejleszt\u00e9si Menedzser, Storage Products, Toshiba Electronics Europe<\/strong><\/p>\n<p>Rainer Kaese t\u00f6bb mint 20 \u00e9ve dolgozik a Toshib\u00e1n\u00e1l. Eredetileg az alkalmaz\u00e1sspecifikus integr\u00e1lt \u00e1ramk\u00f6r\u00f6kre szakosodott, az ASIC Diz\u00e1jnk\u00f6zpontot vezette, majd k\u00e9s\u0151bb az ASIC- \u00e9s \u00f6nt\u00f6dei term\u00e9kek \u00dczletfejleszt\u00e9si csapat\u00e1nak volt vezet\u0151je. Jelenleg az \u0151 ir\u00e1ny\u00edt\u00e1sa alatt vezetik be a Toshiba v\u00e1llalati (enterprise) HDD \u00e9s SDD-term\u00e9keit az adatk\u00f6zpontokba, felh\u0151 alap\u00fa sz\u00e1m\u00edt\u00e1stechnikai \u00e9s a v\u00e1llalati alkalmaz\u00e1sokba.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text]Mi a k\u00fcl\u00f6nbs\u00e9g a NAS \u00e9s a fel\u00fcgyeleti HDD-k, illetve a hagyom\u00e1nyos asztali meghajt\u00f3k k\u00f6z\u00f6tt? A h\u00e1l\u00f3zati adatt\u00e1rol\u00f3 (network-attached storage, NAS) \u00e9s fel\u00fcgyeleti merevlemezmeghajt\u00f3kat (HDD-k) \u00fagy alkott\u00e1k meg \u00e9s aszerint tesztelt\u00e9k, hogy m\u0171k\u00f6d\u00e9se megb\u00edzhat\u00f3 legyen, ak\u00e1r folyamatos, \u00e9jjel-nappal tart\u00f3 \u00fczemel\u00e9s sor\u00e1n is. A legt\u00f6bb asztali sz\u00e1m\u00edt\u00f3g\u00e9pben \u00e9s laptopban l\u00e9v\u0151 meghajt\u00f3t nem ilyen felhaszn\u00e1l\u00e1si m\u00f3d &hellip;<\/p>\n","protected":false},"author":7,"featured_media":3754,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,332],"tags":[],"class_list":["post-10919","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>A NAS \u00e9s fel\u00fcgyeleti meghajt\u00f3k: miben m\u00e1sok, \u00e9s mi\u00e9rt kell tudni r\u00f3luk? - EMEA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.toshiba-storage.com\/hu\/about\/press-center\/nas-and-surveillance-drives-how-theyre-different-and-why-theyre-a-big-deal\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A NAS \u00e9s fel\u00fcgyeleti meghajt\u00f3k: miben m\u00e1sok, \u00e9s mi\u00e9rt kell tudni r\u00f3luk?\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text]Mi a k\u00fcl\u00f6nbs\u00e9g a NAS \u00e9s a fel\u00fcgyeleti HDD-k, illetve a hagyom\u00e1nyos asztali meghajt\u00f3k k\u00f6z\u00f6tt? 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