{"id":2684,"date":"2026-10-02T15:00:00","date_gmt":"2026-10-02T12:00:00","guid":{"rendered":"https:\/\/narhost.com\/blog\/?p=2684"},"modified":"2026-09-26T23:12:37","modified_gmt":"2026-09-26T20:12:37","slug":"veri-merkezi-tier-seviyeleri","status":"publish","type":"post","link":"https:\/\/narhost.com\/blog\/veri-merkezi-tier-seviyeleri\/","title":{"rendered":"Veri Merkezi Tier Seviyeleri Nedir, Tier 3 ile Tier 4 Fark\u0131"},"content":{"rendered":"<div id=\"ai-ozet\" class=\"ai-box\">\n<p class=\"ai-box-title\">K\u0131saca \u00f6zet<\/p>\n<ul>\n<li>Veri merkezi tier seviyeleri, Uptime Institute&#8217;un tesis altyap\u0131s\u0131n\u0131 enerji ve so\u011futma yedeklili\u011fine g\u00f6re d\u00f6rt basamakta s\u0131n\u0131fland\u0131rd\u0131\u011f\u0131 sistemdir: Tier I temel kapasite, Tier II yedekli kapasite, Tier III e\u015fzamanl\u0131 bak\u0131m, Tier IV hata tolerans\u0131.<\/li>\n<li>Tier III ile Tier IV aras\u0131ndaki temel fark \u015fudur: Tier III&#8217;te her bile\u015fen bak\u0131m i\u00e7in kapat\u0131labilir ama beklenmedik bir ar\u0131za BT y\u00fck\u00fcn\u00fc etkileyebilir; Tier IV&#8217;te tek bir ekipman ar\u0131zas\u0131 ya da da\u011f\u0131t\u0131m yolu kesintisi BT operasyonuna ula\u015fmaz.<\/li>\n<li>Uptime Institute 2009&#8217;da standarttan &#8220;y\u0131ll\u0131k \u00f6ng\u00f6r\u00fclen kesinti&#8221; ifadelerini kald\u0131rd\u0131; g\u00fcncel standart tier seviyelerine kullan\u0131labilirlik y\u00fczdesi atamaz.<\/li>\n<li>Tasar\u0131m belgesi sertifikas\u0131 ile in\u015fa edilmi\u015f tesis sertifikas\u0131 farkl\u0131d\u0131r; 2014&#8217;ten sonra verilen tasar\u0131m sertifikalar\u0131 iki y\u0131l sonra ge\u00e7erlili\u011fini yitirir.<\/li>\n<li>Daha y\u00fcksek tier her zaman daha iyi se\u00e7im de\u011fildir; maliyet ve karma\u015f\u0131kl\u0131k seviyeyle birlikte artar, do\u011fru seviye i\u015fin kesinti tolerans\u0131na g\u00f6re se\u00e7ilir.<\/li>\n<li>Sa\u011flay\u0131c\u0131ya &#8220;hangi Tier&#8221; diye sormak yetmez; sertifikan\u0131n t\u00fcr\u00fcn\u00fc, tarihini ve Uptime Institute listesinde g\u00f6r\u00fcn\u00fcp g\u00f6r\u00fcnmedi\u011fini sorun.<\/li>\n<\/ul>\n<\/div>\n<p>Co-location ya da fiziksel sunucu teklifi toplarken her sa\u011flay\u0131c\u0131n\u0131n sunumunda ayn\u0131 c\u00fcmle ge\u00e7er: &#8220;Tier III veri merkezi.&#8221; Ayn\u0131 ifade o kadar s\u0131k kullan\u0131l\u0131r ki anlam\u0131n\u0131 yitirir. Oysa veri merkezi tier s\u0131n\u0131fland\u0131rmas\u0131 net tan\u0131mlar\u0131 olan, ba\u011f\u0131ms\u0131z bir kurulu\u015fun belgelendirdi\u011fi bir standartt\u0131r. Neyi garanti etti\u011fini ve neyi etmedi\u011fini bilirseniz teklifleri kar\u015f\u0131la\u015ft\u0131rmak kolayla\u015f\u0131r, sunumdaki etiket yerine s\u00f6zle\u015fmedeki ko\u015fullara odaklan\u0131rs\u0131n\u0131z.<\/p>\n<h2>Veri Merkezi Tier Sistemi Nedir, Kim Belirler<\/h2>\n<p>Tier s\u0131n\u0131fland\u0131rmas\u0131n\u0131 Uptime Institute otuz y\u0131l\u0131 a\u015fk\u0131n s\u00fcre \u00f6nce olu\u015fturdu. Standart iki ciltten olu\u015fur: altyap\u0131 tasar\u0131m\u0131n\u0131 de\u011ferlendiren Topoloji ve tesisin nas\u0131l i\u015fletildi\u011fini de\u011ferlendiren Operasyonel S\u00fcrd\u00fcr\u00fclebilirlik. <a href=\"https:\/\/uptimeinstitute.com\/tiers\" title=\"Uptime Institute Tier Classification System \u2014 resm\u00ee sayfa\" target=\"_blank\" rel=\"noopener\">Uptime Institute&#8217;un tier s\u0131n\u0131fland\u0131rma sayfas\u0131na<\/a> g\u00f6re d\u00f6rt seviye birbirinin \u00fczerine kurulur; her \u00fcst seviye alttakinin b\u00fct\u00fcn gereksinimlerini i\u00e7erir.<\/p>\n<p>Standart belirli bir teknoloji ya da \u015fema dayatmaz. Enerji ve so\u011futma i\u00e7in hangi ekipman\u0131n kullan\u0131laca\u011f\u0131na tesis sahibi karar verir; standart yaln\u0131zca ula\u015f\u0131lmas\u0131 gereken sonucu tan\u0131mlar. Bu y\u00fczden iki Tier III tesis, i\u00e7eride \u00e7ok farkl\u0131 g\u00f6r\u00fcnebilir.<\/p>\n<div class=\"highlight-box\">\n<p class=\"label\">Bilgi<\/p>\n<p>Tier sertifikas\u0131 yaln\u0131zca Uptime Institute taraf\u0131ndan verilir. Bir tesisin &#8220;Tier III standartlar\u0131na uygun tasarland\u0131\u011f\u0131n\u0131&#8221; s\u00f6ylemesi ile Uptime Institute&#8217;tan sertifika alm\u0131\u015f olmas\u0131 ayn\u0131 \u015fey de\u011fildir. \u0130lki bir beyan, ikincisi ba\u011f\u0131ms\u0131z bir denetimin sonucudur.<\/p>\n<\/div>\n<h2>Tier I&#8217;den Tier IV&#8217;e D\u00f6rt Seviye<\/h2>\n<p>A\u015fa\u011f\u0131daki tablo her seviyenin resm\u00ee tan\u0131m\u0131n\u0131 pratik sonu\u00e7lar\u0131yla birlikte \u00f6zetliyor. Son s\u00fctun bilin\u00e7li olarak eklendi: \u00e7o\u011fu kar\u015f\u0131la\u015ft\u0131rma tablosunda yer alan y\u0131ll\u0131k kesinti saatleri g\u00fcncel standartta yoktur.<\/p>\n<table>\n<thead>\n<tr>\n<th>Seviye<\/th>\n<th>Yedeklilik<\/th>\n<th>E\u015fzamanl\u0131 bak\u0131m<\/th>\n<th>Hata tolerans\u0131<\/th>\n<th>Y\u0131ll\u0131k \u00f6ng\u00f6r\u00fclen kesinti<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tier I, temel kapasite<\/td>\n<td>Yedek bile\u015fen yok; UPS, jenerat\u00f6r ve ayr\u0131lm\u0131\u015f so\u011futma var<\/td>\n<td>Yok, bak\u0131m i\u00e7in tesis kapat\u0131l\u0131r<\/td>\n<td>Yok<\/td>\n<td>Standart rakam vermez<\/td>\n<\/tr>\n<tr>\n<td>Tier II, yedekli kapasite<\/td>\n<td>Enerji ve so\u011futma bile\u015fenlerinde yedek (UPS mod\u00fcl\u00fc, so\u011futucu, pompa, jenerat\u00f6r)<\/td>\n<td>K\u0131smi, baz\u0131 bile\u015fenler kapat\u0131lmadan \u00e7\u0131kar\u0131labilir<\/td>\n<td>Yok, tek da\u011f\u0131t\u0131m yolu<\/td>\n<td>Standart rakam vermez<\/td>\n<\/tr>\n<tr>\n<td>Tier III, e\u015fzamanl\u0131 bak\u0131m<\/td>\n<td>Yedek bile\u015fen ve yedek da\u011f\u0131t\u0131m yolu<\/td>\n<td>Var, her bile\u015fen BT y\u00fck\u00fcne dokunmadan bak\u0131ma al\u0131nabilir<\/td>\n<td>S\u0131n\u0131rl\u0131, beklenmedik ar\u0131za y\u00fck\u00fc etkileyebilir<\/td>\n<td>Standart rakam vermez<\/td>\n<\/tr>\n<tr>\n<td>Tier IV, hata tolerans\u0131<\/td>\n<td>Fiziksel olarak ayr\u0131lm\u0131\u015f ba\u011f\u0131ms\u0131z sistemler<\/td>\n<td>Var<\/td>\n<td>Var, tek ar\u0131za BT operasyonuna ula\u015fmaz<\/td>\n<td>Standart rakam vermez<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/journal.uptimeinstitute.com\/explaining-uptime-institutes-tier-classification-system\/\" title=\"Explaining Uptime Institute&#039;s Tier Classification System \u2014 Uptime Institute Journal\" target=\"_blank\" rel=\"noopener\">Uptime Institute&#8217;un tier sistemini a\u00e7\u0131klayan makalesinde<\/a> belirtildi\u011fi gibi kurum, 2009&#8217;da &#8220;y\u0131lda beklenen kesinti&#8221; ifadelerini standarttan kald\u0131rd\u0131. Gerek\u00e7e, i\u015fletme davran\u0131\u015flar\u0131n\u0131n kesintiye etkisinin tasar\u0131mdan ba\u011f\u0131ms\u0131z olarak \u00e7ok b\u00fcy\u00fck olmas\u0131yd\u0131. Bir tesisin sunumunda tier seviyesinin yan\u0131nda bir y\u00fczde g\u00f6r\u00fcyorsan\u0131z, o rakam standarttan de\u011fil sa\u011flay\u0131c\u0131n\u0131n kendi hesab\u0131ndan ya da eski kaynaklardan gelir.<\/p>\n<figure class=\"nh-sema\"><img loading=\"lazy\" src=\"https:\/\/narhost.com\/blog\/wp-content\/uploads\/2026\/09\/veri-merkezi-tier-seviyeleri-sema-narhost.webp\" alt=\"veri merkezi tier seviyelerini Tier I temel kapasiteden Tier IV hata tolerans\u0131na kadar d\u00f6rt ad\u0131mda g\u00f6steren \u015fema\" width=\"1200\" height=\"500\" loading=\"lazy\" decoding=\"async\"><figcaption>Her tier seviyesi alttakinin t\u00fcm gereksinimlerini i\u00e7erir: temel kapasite, yedekli bile\u015fen, e\u015fzamanl\u0131 bak\u0131m, hata tolerans\u0131.<\/figcaption><\/figure>\n<h2>Tier 3 ile Tier 4 Fark\u0131 Ne Anlama Gelir<\/h2>\n<p>Tier III&#8217;\u00fcn anahtar kavram\u0131 e\u015fzamanl\u0131 bak\u0131md\u0131r. Enerji ve so\u011futman\u0131n her bile\u015feni, hatta da\u011f\u0131t\u0131m yollar\u0131, sunucular \u00e7al\u0131\u015f\u0131rken bak\u0131ma al\u0131nabilir. Planl\u0131 i\u015fler kesinti yaratmaz. Ama bir bile\u015fen bak\u0131mdayken ikinci bir ar\u0131za olursa y\u00fck etkilenebilir; Tier III bu senaryoya kar\u015f\u0131 tasarlanmaz.<\/p>\n<p>Tier IV bunun \u00fczerine hata tolerans\u0131 ekler. Birbirinden fiziksel olarak ayr\u0131lm\u0131\u015f, ba\u011f\u0131ms\u0131z sistemler vard\u0131r; bir ekipman ar\u0131zaland\u0131\u011f\u0131nda ya da bir da\u011f\u0131t\u0131m yolu kesildi\u011finde etki BT operasyonuna ula\u015fmadan durdurulur. Tier IV&#8217;te s\u00fcrekli so\u011futma da \u015fartt\u0131r ve tesise ba\u011flanan BT ekipman\u0131n\u0131n \u00e7ift g\u00fc\u00e7 kaynakl\u0131 olmas\u0131 beklenir. Uptime Institute&#8217;un kendi ifadesiyle bu, Tier IV&#8217;\u00fcn Tier II&#8217;den &#8220;daha iyi&#8221; oldu\u011fu anlam\u0131na gelmez; farkl\u0131 i\u015f ihtiya\u00e7lar\u0131na kar\u015f\u0131l\u0131k gelir.<\/p>\n<div class=\"warn-box\">\n<p class=\"label\">Dikkat<\/p>\n<p>Tier IV tesis, tek g\u00fc\u00e7 kaynakl\u0131 bir sunucuyu korumaz. Hata tolerans\u0131n\u0131n sunucuya kadar ula\u015fmas\u0131 i\u00e7in donan\u0131m\u0131n\u0131z\u0131n iki ayr\u0131 g\u00fc\u00e7 beslemesine ba\u011flanabilmesi gerekir. Co-location&#8217;a g\u00f6t\u00fcrece\u011finiz cihaz\u0131n \u00e7ift g\u00fc\u00e7 kayna\u011f\u0131 yoksa \u00fcst seviye tesisin avantaj\u0131n\u0131n bir k\u0131sm\u0131n\u0131 kaybedersiniz.<\/p>\n<\/div>\n<h2>Veri Merkezi Tier Sertifikas\u0131n\u0131n T\u00fcrleri<\/h2>\n<p>Veri merkezi tier iddias\u0131n\u0131 de\u011ferlendirirken ilk soru sertifikan\u0131n t\u00fcr\u00fcd\u00fcr. Uptime Institute \u00fc\u00e7 ayr\u0131 belge verir. Tasar\u0131m belgeleri sertifikas\u0131 (TCDD) yaln\u0131zca \u00e7izimlerin standarda uydu\u011funu g\u00f6sterir; 1 Ocak 2014&#8217;ten sonra verilenler iki y\u0131l sonra ge\u00e7ersiz olur ve in\u015fa edilmi\u015f tesis sertifikas\u0131n\u0131n \u00f6n ko\u015fuludur. \u0130n\u015fa edilmi\u015f tesis sertifikas\u0131 (TCCF), yap\u0131lan binan\u0131n tasar\u0131ma uygun kuruldu\u011funu sahada test eder. Operasyonel s\u00fcrd\u00fcr\u00fclebilirlik sertifikas\u0131 (TCOS) ise tesisin nas\u0131l i\u015fletildi\u011fini puanlar ve Bronz, G\u00fcm\u00fc\u015f, Alt\u0131n olarak derecelenir.<\/p>\n<p>Pratikteki anlam\u0131 \u015fudur: &#8220;Tier III tasar\u0131m sertifikas\u0131&#8221; al\u0131p in\u015faat\u0131 sertifikaland\u0131rmam\u0131\u015f bir tesis ile &#8220;Tier III in\u015fa edilmi\u015f tesis&#8221; sertifikal\u0131 bir tesis ayn\u0131 de\u011fildir. Ayr\u0131ca farkl\u0131 bir standart olan ANSI\/TIA-942, seviyelerini &#8220;Rated 1\u20134&#8221; olarak adland\u0131r\u0131r; iki standart birbirinin yerine kullan\u0131lmaz.<\/p>\n<h2>Co-location ve Fiziksel Sunucu Se\u00e7iminde Nas\u0131l Sorulur<\/h2>\n<p>Donan\u0131m\u0131n\u0131z\u0131 bir veri merkezine yerle\u015ftirecekseniz ya da orada fiziksel sunucu kiralayacaksan\u0131z, tier etiketini sorunun ba\u015flang\u0131c\u0131 olarak g\u00f6r\u00fcn. Kabin, g\u00fc\u00e7 ve ba\u011flant\u0131 se\u00e7eneklerinin nas\u0131l de\u011ferlendirilece\u011fini <a href=\"https:\/\/narhost.com\/blog\/co-location-nedir\/\" title=\"Co-location Nedir \u2014 Narhost Blog\">co-location nedir yaz\u0131s\u0131nda<\/a> ayr\u0131nt\u0131l\u0131 bulabilirsiniz. Tier taraf\u0131nda sorman\u0131z gerekenler \u015funlard\u0131r:<\/p>\n<p>Sertifika hangi t\u00fcrde, hangi tarihte verildi ve tesis <a href=\"https:\/\/uptimeinstitute.com\/tier-certification\/tier-certification-list\" title=\"Uptime Institute Tier Certification listesi \u2014 sertifikal\u0131 tesisler\" target=\"_blank\" rel=\"noopener\">Uptime Institute&#8217;un sertifikal\u0131 tesis listesinde<\/a> g\u00f6r\u00fcn\u00fcyor mu? Sertifika tesisin tamam\u0131n\u0131 m\u0131, yoksa belirli bir salonu mu kaps\u0131yor? Kabininize gelen iki g\u00fc\u00e7 beslemesi ayr\u0131 UPS ve ayr\u0131 da\u011f\u0131t\u0131m yollar\u0131ndan m\u0131 geliyor? Son planl\u0131 bak\u0131m ne zaman yap\u0131ld\u0131 ve m\u00fc\u015fterilere nas\u0131l duyuruldu? Bu sorulara yaz\u0131l\u0131 ve belgeli cevap alabildi\u011finiz sa\u011flay\u0131c\u0131, etiketi en b\u00fcy\u00fck puntoyla yazandan daha g\u00fcvenilirdir.<\/p>\n<div class=\"senaryo-block\">\n<p class=\"label\">\u00d6rnek senaryo<\/p>\n<p>Bir lojistik firmas\u0131, depo y\u00f6netim sistemini \u00e7al\u0131\u015ft\u0131ran iki sunucusunu co-location&#8217;a ta\u015f\u0131mak i\u00e7in \u00fc\u00e7 teklif ald\u0131. \u00dc\u00e7\u00fc de &#8220;Tier III&#8221; diyordu. Firma sertifika t\u00fcr\u00fcn\u00fc sordu\u011funda birinin yaln\u0131zca tasar\u0131m sertifikas\u0131 oldu\u011fu, onun da s\u00fcresinin doldu\u011fu \u00e7\u0131kt\u0131. \u0130kinci sa\u011flay\u0131c\u0131 sertifikal\u0131 de\u011fildi ama tasar\u0131m\u0131n\u0131 belgeleriyle anlatt\u0131. \u00dc\u00e7\u00fcnc\u00fcs\u00fcn\u00fcn beyan\u0131 ise belgeyle desteklendi. Firma, sunucular\u0131n\u0131n \u00e7ift g\u00fc\u00e7 kayna\u011f\u0131n\u0131 iki ayr\u0131 beslemeye ba\u011flayabildi\u011fi sa\u011flay\u0131c\u0131y\u0131 se\u00e7ti.<\/p>\n<\/div>\n<h2>Tier Seviyesi Tek Ba\u015f\u0131na Uptime Garantisi De\u011fildir<\/h2>\n<p>Tier seviyesi binan\u0131n enerji ve so\u011futma altyap\u0131s\u0131n\u0131 anlat\u0131r. Sizin sunucunuzun eri\u015filebilirli\u011fi ise buna ek olarak a\u011f ba\u011flant\u0131s\u0131na, sunucu donan\u0131m\u0131na, i\u015fletim sistemine ve uygulaman\u0131za ba\u011fl\u0131d\u0131r. Tier IV bir tesiste tek diskli, tek g\u00fc\u00e7 kaynakl\u0131 bir sunucu ar\u0131zalanabilir; yanl\u0131\u015f bir g\u00fcvenlik duvar\u0131 kural\u0131 sunucuyu eri\u015filemez yapabilir. Sa\u011flay\u0131c\u0131n\u0131n verdi\u011fi eri\u015filebilirlik taahh\u00fcd\u00fcn\u00fcn neyi kapsad\u0131\u011f\u0131n\u0131 <a href=\"https:\/\/narhost.com\/blog\/uptime-garantisi-nedir\/\" title=\"Uptime Garantisi Nedir \u2014 Narhost Blog\">uptime garantisi nedir yaz\u0131s\u0131<\/a> ayr\u0131ca ele al\u0131yor.<\/p>\n<p>Sunucunuza eri\u015femedi\u011finizde sorunun tesiste mi, a\u011fda m\u0131 yoksa sunucunun i\u00e7inde mi oldu\u011funu ay\u0131rmak i\u00e7in ilk ad\u0131mlar <a href=\"https:\/\/narhost.com\/destek\/sunucuya-ping-atilamiyorsa-ne-yapilmali\/\" title=\"Sunucuya Ping At\u0131lam\u0131yorsa Ne Yap\u0131lmal\u0131 \u2014 Narhost Destek Merkezi\">sunucuya ping at\u0131lam\u0131yorsa ne yap\u0131lmal\u0131 rehberinde<\/a> s\u0131ralan\u0131yor. Hangi sunucu tipinin i\u015finize uygun oldu\u011fundan emin de\u011filseniz \u00f6nce <a href=\"https:\/\/narhost.com\/blog\/vps-mi-vds-mi-bulut-sunucu-mu\/\" title=\"VPS mi VDS mi Bulut Sunucu mu \u2014 Narhost Blog\">VPS mi VDS mi bulut sunucu mu<\/a> karar\u0131n\u0131 netle\u015ftirin.<\/p>\n<h2>Narhost Co-location Hakk\u0131nda<\/h2>\n<p>Narhost&#8217;un b\u00fct\u00fcn \u00fcr\u00fcnleri Equinix veri merkezinde bar\u0131nd\u0131r\u0131l\u0131r. <a href=\"https:\/\/narhost.com\/co-location\" title=\"Narhost Co-location sunucu bar\u0131nd\u0131rma paketleri\">Co-location sayfas\u0131ndaki<\/a> kabin se\u00e7eneklerinde 1U&#8217;dan 4U&#8217;ya payla\u015f\u0131ml\u0131 kabin, yedekli UPS ve A+B busbar beslemesi yer al\u0131r; fiyatland\u0131rma cihaz\u0131n U \u00f6l\u00e7\u00fcs\u00fc ve g\u00fc\u00e7 t\u00fcketimine g\u00f6re yap\u0131l\u0131r. Tesisin sertifika t\u00fcr\u00fc ve kapsam\u0131 gibi ayr\u0131nt\u0131lar\u0131, teklif a\u015famas\u0131nda destek ekibinden yaz\u0131l\u0131 olarak isteyebilirsiniz.<\/p>\n<div class=\"success-box\">\n<p class=\"label\">Sonu\u00e7<\/p>\n<p>Veri merkezi tier seviyesi, tesisin enerji ve so\u011futma altyap\u0131s\u0131n\u0131n bak\u0131m ve ar\u0131za kar\u015f\u0131s\u0131nda nas\u0131l davrand\u0131\u011f\u0131n\u0131 anlat\u0131r. Tier III planl\u0131 bak\u0131mda kesintisizlik, Tier IV tek ar\u0131zaya kar\u015f\u0131 dayan\u0131kl\u0131l\u0131k demektir. Karar verirken etikete de\u011fil, sertifikan\u0131n t\u00fcr\u00fcne, tarihine ve kendi donan\u0131m\u0131n\u0131z\u0131n bu altyap\u0131dan yararlan\u0131p yararlanamayaca\u011f\u0131na bak\u0131n.<\/p>\n<\/div>\n<h2>Kontrol Listesi, Veri Merkezi Se\u00e7erken<\/h2>\n<ul class=\"kontrol-listesi\">\n<li>Tier iddias\u0131n\u0131n bir sertifikaya m\u0131 yoksa bir beyana m\u0131 dayand\u0131\u011f\u0131n\u0131 sorun.<\/li>\n<li>Sertifikan\u0131n t\u00fcr\u00fcn\u00fc (tasar\u0131m, in\u015fa edilmi\u015f tesis, operasyon) ve tarihini yaz\u0131l\u0131 isteyin.<\/li>\n<li>Tesisin Uptime Institute&#8217;un sertifikal\u0131 tesis listesinde yer al\u0131p almad\u0131\u011f\u0131n\u0131 kontrol edin.<\/li>\n<li>Kabininize gelen g\u00fc\u00e7 beslemelerinin ayr\u0131 yollardan gelip gelmedi\u011fini \u00f6\u011frenin.<\/li>\n<li>G\u00f6t\u00fcrece\u011finiz sunucular\u0131n \u00e7ift g\u00fc\u00e7 kaynakl\u0131 oldu\u011fundan emin olun.<\/li>\n<li>Planl\u0131 bak\u0131mlar\u0131n nas\u0131l ve ne kadar \u00f6nceden duyuruldu\u011funu sorun.<\/li>\n<li>Uptime taahh\u00fcd\u00fcn\u00fcn yaln\u0131z a\u011f\u0131 m\u0131 yoksa enerjiyi de mi kapsad\u0131\u011f\u0131n\u0131 s\u00f6zle\u015fmede okuyun.<\/li>\n<\/ul>\n<div class=\"kb-faq\">\n<h2>S\u0131k\u00e7a sorulan sorular<\/h2>\n<h3>Veri merkezi tier seviyesi ka\u00e7 tane, en y\u00fckse\u011fi hangisi?<\/h3>\n<p>Uptime Institute&#8217;un standard\u0131 d\u00f6rt seviye tan\u0131mlar: Tier I, Tier II, Tier III ve Tier IV. En y\u00fcksek seviye hata toleransl\u0131 Tier IV&#8217;t\u00fcr. Seviyeler birbirinin \u00fczerine kurulur; her \u00fcst seviye alttakinin t\u00fcm gereksinimlerini kar\u015f\u0131lar. Hangisinin do\u011fru oldu\u011fu ise uygulaman\u0131z\u0131n kesinti tolerans\u0131na ve b\u00fct\u00e7enize ba\u011fl\u0131d\u0131r.<\/p>\n<h3>Tier III veri merkezi y\u00fczde ka\u00e7 uptime sa\u011flar?<\/h3>\n<p>G\u00fcncel standart tier seviyelerine y\u00fczde atamaz. Uptime Institute 2009&#8217;da y\u0131ll\u0131k beklenen kesinti ifadelerini standarttan \u00e7\u0131kard\u0131, \u00e7\u00fcnk\u00fc i\u015fletme hatalar\u0131 tasar\u0131mdan ba\u011f\u0131ms\u0131z olarak kesintiye yol a\u00e7abiliyordu. Sa\u011flay\u0131c\u0131n\u0131n verdi\u011fi uptime y\u00fczdesi, standarttan de\u011fil kendi hizmet taahh\u00fcd\u00fcnden gelir ve s\u00f6zle\u015fmede ayr\u0131ca yaz\u0131l\u0131 olmal\u0131d\u0131r.<\/p>\n<h3>Web hosting al\u0131rken tier seviyesine bakmal\u0131 m\u0131y\u0131m?<\/h3>\n<p>Payla\u015f\u0131ml\u0131 hosting ya da VPS al\u0131rken tesis altyap\u0131s\u0131 sa\u011flay\u0131c\u0131n\u0131n sorumlulu\u011fundad\u0131r ve tier seviyesi sizin i\u00e7in ikincil bir g\u00f6stergedir. Yedekleme, destek s\u00fcresi, a\u011f kalitesi ve uptime taahh\u00fcd\u00fc daha do\u011frudan etkiler. Tier seviyesi, kendi donan\u0131m\u0131n\u0131z\u0131 ta\u015f\u0131d\u0131\u011f\u0131n\u0131z co-location ya da fiziksel sunucu kararlar\u0131nda \u00f6ne \u00e7\u0131kar.<\/p>\n<h3>Tier sertifikas\u0131 ne kadar s\u00fcre ge\u00e7erli?<\/h3>\n<p>1 Ocak 2014&#8217;ten sonra verilen tasar\u0131m belgeleri sertifikalar\u0131, verili\u015f tarihinden iki y\u0131l sonra ge\u00e7erlili\u011fini yitirir. \u0130n\u015fa edilmi\u015f tesis sertifikas\u0131 ise sahadaki testlerle verilir ve tasar\u0131m sertifikas\u0131n\u0131 \u00f6n ko\u015ful olarak ister. Sa\u011flay\u0131c\u0131dan sertifikan\u0131n t\u00fcr\u00fcn\u00fc ve tarihini birlikte istemek bu y\u00fczden \u00f6nemlidir.<\/p>\n<h3>Tier IV tesiste sunucum hi\u00e7 kesinti ya\u015famaz m\u0131?<\/h3>\n<p>Ya\u015fayabilir. Tier IV tesisin enerji ve so\u011futma altyap\u0131s\u0131 tek bir ar\u0131zay\u0131 BT y\u00fck\u00fcne ula\u015fmadan durdurur. Ama sunucunuzun diski, g\u00fc\u00e7 kayna\u011f\u0131, a\u011f kart\u0131, i\u015fletim sistemi ya da uygulamas\u0131 ar\u0131zalanabilir. Sunucu taraf\u0131nda yedeklilik kurmad\u0131k\u00e7a tesisin seviyesi tek ba\u015f\u0131na s\u00fcreklili\u011fi garanti etmez.<\/p>\n<\/div>\n<div class=\"cta-box\">\n<p class=\"label\">Narhost&#8217;ta<\/p>\n<p>Co-location hizmetimizde sunucunuz Equinix veri merkezinde, yedekli UPS ve A+B busbar beslemeli kabinlerde bar\u0131nd\u0131r\u0131l\u0131r; cihaz \u00f6l\u00e7\u00fcs\u00fcne ve g\u00fc\u00e7 ihtiyac\u0131na g\u00f6re teklif alabilirsiniz.<\/p>\n<p><a class=\"cta-btn\" href=\"https:\/\/narhost.com\/co-location\" title=\"Narhost Co-location sunucu bar\u0131nd\u0131rma paketleri\">Co-location se\u00e7eneklerini incele<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Veri merkezi tier seviyeleri, Uptime Institute&#8217;un tesis altyap\u0131s\u0131n\u0131 enerji ve so\u011futma yedeklili\u011fine g\u00f6re d\u00f6rt basamakta s\u0131n\u0131fland\u0131rd\u0131\u011f\u0131 sistemdir. Tier 3 ile Tier 4 fark\u0131, sertifika t\u00fcrleri ve co-location se\u00e7iminde sorulacaklar bu rehberde.<\/p>\n","protected":false},"author":1,"featured_media":2685,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sunucu"],"_links":{"self":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/2684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/comments?post=2684"}],"version-history":[{"count":1,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/2684\/revisions"}],"predecessor-version":[{"id":2686,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/2684\/revisions\/2686"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/media\/2685"}],"wp:attachment":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/media?parent=2684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/categories?post=2684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/tags?post=2684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}