{"id":1646,"date":"2026-07-19T22:58:42","date_gmt":"2026-07-19T19:58:42","guid":{"rendered":"https:\/\/verimin.com.tr\/blog\/?p=1646"},"modified":"2026-07-19T22:58:42","modified_gmt":"2026-07-19T19:58:42","slug":"sla-uptime","status":"publish","type":"post","link":"https:\/\/verimin.com.tr\/blog\/sla-uptime\/","title":{"rendered":"SLA Nedir? Hosting SLA ve Uptime Takibi Nas\u0131l Yap\u0131l\u0131r?"},"content":{"rendered":"<p>Bir hosting hizmetinin \u201cy\u00fcksek eri\u015filebilirlik\u201d sundu\u011funu s\u00f6ylemek ile bu eri\u015filebilirli\u011fin hangi ko\u015fullarda, nas\u0131l \u00f6l\u00e7\u00fclece\u011fini ve bir aksakl\u0131kta ne yap\u0131laca\u011f\u0131n\u0131 yaz\u0131l\u0131 bi\u00e7imde tan\u0131mlamak ayn\u0131 \u015fey de\u011fildir. Service Level Agreement ifadesinin k\u0131saltmas\u0131 olan SLA, sa\u011flay\u0131c\u0131 ile m\u00fc\u015fteri aras\u0131ndaki hizmet seviyesi beklentilerini \u00f6l\u00e7\u00fclebilir maddelere d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. B\u00f6ylece yaln\u0131zca genel bir kalite vaadi de\u011fil, kapsam\u0131 ve de\u011ferlendirme y\u00f6ntemi belli bir \u00e7al\u0131\u015fma \u00e7er\u00e7evesi olu\u015fur.<\/p>\n<p>Hosting SLA\u2019s\u0131n\u0131 de\u011ferlendirirken tek bir uptime y\u00fczdesine odaklanmak yan\u0131lt\u0131c\u0131 olabilir. \u00d6l\u00e7\u00fcm noktas\u0131, planl\u0131 bak\u0131m, a\u011f ve donan\u0131m kapsam\u0131, destek yan\u0131t hedefi, istisnalar, raporlama y\u00f6ntemi ve ihlal halinde uygulanacak hizmet kredisi birlikte okunmal\u0131d\u0131r. Bu rehber, SLA\u2019n\u0131n ne anlama geldi\u011fini, uptime takibinin nas\u0131l yap\u0131laca\u011f\u0131n\u0131 ve farkl\u0131 sa\u011flay\u0131c\u0131lar\u0131n tekliflerinin hangi sorularla kar\u015f\u0131la\u015ft\u0131r\u0131labilece\u011fini a\u00e7\u0131klar.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 ez-toc-wrap-left counter-flat ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7erik Ba\u015fl\u0131klar\u0131:<\/div>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#SLA_nedir\" title=\"SLA nedir?\">SLA nedir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#SLA_ile_uptime_arasindaki_fark_nedir\" title=\"SLA ile uptime aras\u0131ndaki fark nedir?\">SLA ile uptime aras\u0131ndaki fark nedir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Hosting_SLAsinda_hangi_metrikler_bulunmalidir\" title=\"Hosting SLA\u2019s\u0131nda hangi metrikler bulunmal\u0131d\u0131r?\">Hosting SLA\u2019s\u0131nda hangi metrikler bulunmal\u0131d\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Olcum_kapsami_neden_acik_olmalidir\" title=\"\u00d6l\u00e7\u00fcm kapsam\u0131 neden a\u00e7\u0131k olmal\u0131d\u0131r?\">\u00d6l\u00e7\u00fcm kapsam\u0131 neden a\u00e7\u0131k olmal\u0131d\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Uptime_yuzdesi_nasil_hesaplanir\" title=\"Uptime y\u00fczdesi nas\u0131l hesaplan\u0131r?\">Uptime y\u00fczdesi nas\u0131l hesaplan\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Tek_bir_monitor_sonucu_yeterli_midir\" title=\"Tek bir monit\u00f6r sonucu yeterli midir?\">Tek bir monit\u00f6r sonucu yeterli midir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Planli_bakim_ve_istisnalar_nasil_ele_alinir\" title=\"Planl\u0131 bak\u0131m ve istisnalar nas\u0131l ele al\u0131n\u0131r?\">Planl\u0131 bak\u0131m ve istisnalar nas\u0131l ele al\u0131n\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Uptime_nasil_izlenir_ve_kesinti_nasil_dogrulanir\" title=\"Uptime nas\u0131l izlenir ve kesinti nas\u0131l do\u011frulan\u0131r?\">Uptime nas\u0131l izlenir ve kesinti nas\u0131l do\u011frulan\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Performans_dususu_kesinti_sayilir_mi\" title=\"Performans d\u00fc\u015f\u00fc\u015f\u00fc kesinti say\u0131l\u0131r m\u0131?\">Performans d\u00fc\u015f\u00fc\u015f\u00fc kesinti say\u0131l\u0131r m\u0131?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#SLA_ihlali_ve_hizmet_kredisi_sureci_nasil_isler\" title=\"SLA ihlali ve hizmet kredisi s\u00fcreci nas\u0131l i\u015fler?\">SLA ihlali ve hizmet kredisi s\u00fcreci nas\u0131l i\u015fler?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Destek_hedefleri_SLAya_nasil_yazilir\" title=\"Destek hedefleri SLA\u2019ya nas\u0131l yaz\u0131l\u0131r?\">Destek hedefleri SLA\u2019ya nas\u0131l yaz\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Hosting_SLA_teklifleri_nasil_karsilastirilir\" title=\"Hosting SLA teklifleri nas\u0131l kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r?\">Hosting SLA teklifleri nas\u0131l kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Sonuc\" title=\"Sonu\u00e7\">Sonu\u00e7<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Hosting_SLA_hakkinda_sik_sorulan_sorular\" title=\"Hosting SLA hakk\u0131nda s\u0131k sorulan sorular\">Hosting SLA hakk\u0131nda s\u0131k sorulan sorular<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#SLA_butun_hosting_kesintilerini_kapsar_mi\" title=\"SLA b\u00fct\u00fcn hosting kesintilerini kapsar m\u0131?\">SLA b\u00fct\u00fcn hosting kesintilerini kapsar m\u0131?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Uptime_degerini_yalniz_saglayicinin_panelinden_izlemek_yeterli_midir\" title=\"Uptime de\u011ferini yaln\u0131z sa\u011flay\u0131c\u0131n\u0131n panelinden izlemek yeterli midir?\">Uptime de\u011ferini yaln\u0131z sa\u011flay\u0131c\u0131n\u0131n panelinden izlemek yeterli midir?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#SLA_ihlalinde_hizmet_kredisi_otomatik_verilir_mi\" title=\"SLA ihlalinde hizmet kredisi otomatik verilir mi?\">SLA ihlalinde hizmet kredisi otomatik verilir mi?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/verimin.com.tr\/blog\/sla-uptime\/#Uptime_hedefi_yedekleme_ve_veri_kurtarmayi_da_kapsar_mi\" title=\"Uptime hedefi yedekleme ve veri kurtarmay\u0131 da kapsar m\u0131?\">Uptime hedefi yedekleme ve veri kurtarmay\u0131 da kapsar m\u0131?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"SLA_nedir\"><\/span>SLA nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SLA, bir hizmetin hangi seviyede sunulmas\u0131n\u0131n hedeflendi\u011fini ve bu seviyenin hangi \u00f6l\u00e7\u00fctlerle de\u011ferlendirilece\u011fini a\u00e7\u0131klayan s\u00f6zle\u015fmesel b\u00f6l\u00fcmd\u00fcr. Hosting ba\u011flam\u0131nda sunucuya veya hizmete eri\u015filebilirlik, destek taleplerine ilk yan\u0131t s\u00fcresi, ar\u0131za bildirimi, yedekleme kapsam\u0131 ve olay sonras\u0131 raporlama gibi ba\u015fl\u0131klar\u0131 i\u00e7erebilir. Her SLA ayn\u0131 kapsam\u0131 ta\u015f\u0131maz; belgenin ad\u0131 kadar, maddelerin \u00f6l\u00e7\u00fclebilir ve denetlenebilir olmas\u0131 \u00f6nemlidir.<\/p>\n<p>\u0130yi haz\u0131rlanm\u0131\u015f bir SLA, hizmeti, \u00f6l\u00e7\u00fcm d\u00f6nemini, veri kayna\u011f\u0131n\u0131 ve taraflar\u0131n sorumluluklar\u0131n\u0131 a\u00e7\u0131k\u00e7a belirtir. \u201cSorunlara h\u0131zl\u0131 m\u00fcdahale edilir\u201d gibi yoruma a\u00e7\u0131k bir ifade yerine, hangi \u00f6ncelik seviyesindeki talebe hangi kanal \u00fczerinden ne zaman ilk yan\u0131t verilece\u011fi tan\u0131mlanmal\u0131d\u0131r. Benzer bi\u00e7imde eri\u015filebilirli\u011fin web sitesi yan\u0131t\u0131na m\u0131, sunucu a\u011f\u0131na m\u0131 yoksa fiziksel altyap\u0131ya m\u0131 ili\u015fkin oldu\u011fu anla\u015f\u0131lmal\u0131d\u0131r.<\/p>\n<p>SLA, b\u00fct\u00fcn kesintileri \u00f6nleyen bir garanti de\u011fildir. Teknik ar\u0131za, bak\u0131m, g\u00fcvenlik olay\u0131 veya m\u00fc\u015fterinin yap\u0131land\u0131rmas\u0131ndan kaynaklanan problem yine ya\u015fanabilir. Belge; olay\u0131n nas\u0131l s\u0131n\u0131fland\u0131r\u0131laca\u011f\u0131n\u0131, hangi verilerle do\u011frulanaca\u011f\u0131n\u0131 ve hedef kar\u015f\u0131lanmad\u0131\u011f\u0131nda hangi s\u00fcrecin i\u015fleyece\u011fini \u00f6nceden belirleyerek belirsizli\u011fi azalt\u0131r.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"SLA_ile_uptime_arasindaki_fark_nedir\"><\/span>SLA ile uptime aras\u0131ndaki fark nedir?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Uptime, hizmetin belirli bir \u00f6l\u00e7\u00fcm d\u00f6neminde eri\u015filebilir oldu\u011fu s\u00fcrenin oran\u0131n\u0131 ifade eden bir metriktir. SLA ise uptime dahil olmak \u00fczere hizmete ili\u015fkin birden fazla hedefi, \u00f6l\u00e7\u00fcm kural\u0131n\u0131, istisnay\u0131 ve telafi y\u00f6ntemini i\u00e7erebilen daha geni\u015f \u00e7er\u00e7evedir. Bu nedenle uptime de\u011feri SLA\u2019n\u0131n bir par\u00e7as\u0131 olabilir, fakat tek ba\u015f\u0131na SLA\u2019n\u0131n tamam\u0131n\u0131 temsil etmez.<\/p>\n<p>\u00d6rne\u011fin a\u011f ba\u011flant\u0131s\u0131 \u00e7al\u0131\u015f\u0131rken i\u015fletim sistemi yanl\u0131\u015f yap\u0131land\u0131rma nedeniyle yan\u0131t vermeyebilir. Sa\u011flay\u0131c\u0131n\u0131n SLA\u2019s\u0131 yaln\u0131z a\u011f eri\u015filebilirli\u011fini kaps\u0131yorsa bu olay m\u00fc\u015fteri a\u00e7\u0131s\u0131ndan ger\u00e7ek bir kesinti olsa da ayn\u0131 SLA metri\u011fine dahil edilmeyebilir. \u0130\u015fletim sistemi y\u00f6netimi, izleme ve m\u00fcdahale kapsam\u0131n\u0131n a\u00e7\u0131k\u00e7a tan\u0131mland\u0131\u011f\u0131 bir <a href=\"https:\/\/verimin.com.tr\/yonetilen-sunucu\">y\u00f6netilen sunucu hizmeti<\/a> de\u011ferlendirilirken, altyap\u0131 uptime\u2019\u0131 ile y\u00f6netim sorumlulu\u011funun ayr\u0131 maddeler oldu\u011funu kontrol etmek gerekir.<\/p>\n<p>Uptime izleme \u201chizmet eri\u015filebilir mi?\u201d sorusuna veri \u00fcretir. SLA ise \u201changi hizmet, kime g\u00f6re eri\u015filebilir say\u0131lacak; hangi s\u00fcreler hesap d\u0131\u015f\u0131 kalacak ve hedef kar\u015f\u0131lanmazsa ne olacak?\u201d sorular\u0131n\u0131 yan\u0131tlamal\u0131d\u0131r. \u0130ki kavram\u0131 ay\u0131rmak, farkl\u0131 kapsamlar\u0131 ayn\u0131 y\u00fczde \u00fczerinden kar\u015f\u0131la\u015ft\u0131rma hatas\u0131n\u0131 \u00f6nler.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hosting_SLAsinda_hangi_metrikler_bulunmalidir\"><\/span>Hosting SLA\u2019s\u0131nda hangi metrikler bulunmal\u0131d\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/sla-metrikleri.avif\" alt=\"Hosting SLA\u2019s\u0131nda hangi metrikler bulunmal\u0131d\u0131r?\" width=\"1672\" height=\"941\" loading=\"lazy\" decoding=\"async\" \/><\/figure>\n<p>SLA metrikleri sat\u0131n al\u0131nan hizmetin t\u00fcr\u00fcne g\u00f6re se\u00e7ilmelidir. Payla\u015f\u0131ml\u0131 hostingte web ve kontrol paneli eri\u015fimi \u00f6nemliyken fiziksel sunucuda a\u011f, g\u00fc\u00e7, donan\u0131m m\u00fcdahalesi ve uzaktan eri\u015fim ayr\u0131 ayr\u0131 ele al\u0131nabilir. \u00d6l\u00e7\u00fclemeyen veya veri kayna\u011f\u0131 belirtilmeyen hedeflerin olay sonras\u0131nda do\u011frulanmas\u0131 zorla\u015f\u0131r.<\/p>\n<ul>\n<li>Hizmet veya a\u011f eri\u015filebilirli\u011fi ve \u00f6l\u00e7\u00fcm d\u00f6nemi<\/li>\n<li>Kesintinin ba\u015flang\u0131\u00e7 ve biti\u015finin nas\u0131l belirlenece\u011fi<\/li>\n<li>Destek talebine ilk yan\u0131t ve durum g\u00fcncelleme hedefleri<\/li>\n<li>\u00d6ncelik seviyelerinin ve kritik olay\u0131n tan\u0131m\u0131<\/li>\n<li>Planl\u0131 bak\u0131m bildirim y\u00f6ntemi ve kapsam\u0131<\/li>\n<li>Donan\u0131m ar\u0131zas\u0131nda inceleme veya de\u011fi\u015ftirme hedefleri<\/li>\n<li>Olay kayd\u0131, raporlama ve hizmet kredisi s\u00fcreci<\/li>\n<\/ul>\n<p>Yedekleme SLA i\u00e7inde yer al\u0131yorsa yaln\u0131z \u201cyedek al\u0131n\u0131r\u201d ifadesi yeterli de\u011fildir. Yedeklenen veri, s\u0131kl\u0131k, saklama s\u00fcresi, geri y\u00fckleme talebinin kapsam\u0131 ve geri d\u00f6n\u00fc\u015f sorumlulu\u011fu ayr\u0131 ayr\u0131 yaz\u0131lmal\u0131d\u0131r. Ayn\u0131 \u015fekilde destek hedefinin ilk yan\u0131t m\u0131, ge\u00e7ici \u00e7\u00f6z\u00fcm m\u00fc yoksa kal\u0131c\u0131 \u00e7\u00f6z\u00fcm m\u00fc oldu\u011fu belirtilmelidir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Olcum_kapsami_neden_acik_olmalidir\"><\/span>\u00d6l\u00e7\u00fcm kapsam\u0131 neden a\u00e7\u0131k olmal\u0131d\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/verimin.com.tr\/alan-adi\" data-internallinksmanager029f6b8e52c=\"1\" title=\"domain\">Alan ad\u0131<\/a> \u00e7\u00f6z\u00fcmlemesi, uygulama, veritaban\u0131, i\u015fletim sistemi, sanalla\u015ft\u0131rma katman\u0131, a\u011f ve veri merkezi birbirinden farkl\u0131 hata alanlar\u0131d\u0131r. SLA bunlar\u0131n tamam\u0131n\u0131 kapsamayabilir. \u00d6l\u00e7\u00fcm kapsam\u0131 a\u00e7\u0131k oldu\u011funda m\u00fc\u015fteri kendi uygulama izlemesini sa\u011flay\u0131c\u0131n\u0131n altyap\u0131 raporuyla birlikte de\u011ferlendirebilir ve sorunun hangi katmanda olu\u015ftu\u011funu daha do\u011fru belirleyebilir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Uptime_yuzdesi_nasil_hesaplanir\"><\/span>Uptime y\u00fczdesi nas\u0131l hesaplan\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Temel hesaplama, \u00f6l\u00e7\u00fcm d\u00f6nemindeki toplam s\u00fcreden SLA kapsam\u0131nda do\u011frulanan kesinti s\u00fcresinin \u00e7\u0131kar\u0131lmas\u0131 ve kalan s\u00fcrenin toplam s\u00fcreye oranlanmas\u0131d\u0131r. Form\u00fcl, <code>(toplam s\u00fcre - kapsam dahilindeki kesinti) \/ toplam s\u00fcre \u00d7 100<\/code> bi\u00e7iminde ifade edilebilir. Buradaki kritik nokta matematikten \u00e7ok hangi olaylar\u0131n \u201ckapsam dahilindeki kesinti\u201d say\u0131ld\u0131\u011f\u0131d\u0131r.<\/p>\n<p>\u00d6l\u00e7\u00fcm d\u00f6nemi ayl\u0131k, \u00fc\u00e7 ayl\u0131k veya ba\u015fka bir s\u00f6zle\u015fme d\u00f6nemi olabilir. Farkl\u0131 d\u00f6nemler ayn\u0131 olay\u0131n y\u00fczdesel etkisini de\u011fi\u015ftirir. Ayr\u0131ca k\u0131sa s\u00fcreli ba\u015far\u0131s\u0131z kontrollerin ka\u00e7 kez tekrarlanmas\u0131 gerekti\u011fi, k\u0131smi performans bozulmas\u0131n\u0131n kesinti say\u0131l\u0131p say\u0131lmad\u0131\u011f\u0131 ve farkl\u0131 lokasyonlardan al\u0131nan sonu\u00e7lar\u0131n nas\u0131l birle\u015ftirilece\u011fi belirtilmelidir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tek_bir_monitor_sonucu_yeterli_midir\"><\/span>Tek bir monit\u00f6r sonucu yeterli midir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tek bir lokasyondaki kontrol, o izleme noktas\u0131n\u0131n internet ba\u011flant\u0131s\u0131ndan veya DNS \u00e7\u00f6z\u00fcmleyicisinden etkilenebilir. Kesintiyi do\u011frulamak i\u00e7in farkl\u0131 a\u011flardan tekrar kontrol\u00fc, hizmet portu testi, sunucu ve uygulama loglar\u0131 ile sa\u011flay\u0131c\u0131 durum kay\u0131tlar\u0131 birlikte de\u011ferlendirilmelidir. Aksi halde yerel eri\u015fim sorunu genel hizmet kesintisi olarak kaydedilebilir.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Planli_bakim_ve_istisnalar_nasil_ele_alinir\"><\/span>Planl\u0131 bak\u0131m ve istisnalar nas\u0131l ele al\u0131n\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Planl\u0131 bak\u0131m \u00e7o\u011fu SLA\u2019da belirli ko\u015fullarla uptime hesab\u0131n\u0131n d\u0131\u015f\u0131nda tutulabilir. Bunun kabul edilebilir olmas\u0131 i\u00e7in bak\u0131m\u0131n bildirim s\u00fcresi, tahmini zaman aral\u0131\u011f\u0131, etkilenecek hizmetler ve de\u011fi\u015fiklik halinde uygulanacak ileti\u015fim y\u00f6ntemi a\u00e7\u0131klanmal\u0131d\u0131r. S\u0131n\u0131rs\u0131z veya belirsiz bir bak\u0131m istisnas\u0131, a\u00e7\u0131klanan uptime hedefinin pratik de\u011ferini azalt\u0131r.<\/p>\n<p>Do\u011fal afet, b\u00fcy\u00fck \u00f6l\u00e7ekli d\u0131\u015f a\u011f sorunu, m\u00fc\u015fterinin yapt\u0131\u011f\u0131 hatal\u0131 yap\u0131land\u0131rma, \u00f6denmemi\u015f hizmet nedeniyle ask\u0131ya alma veya izin verilmeyen kullan\u0131m gibi durumlar da istisna listesinde bulunabilir. Ancak \u201c\u00fc\u00e7\u00fcnc\u00fc taraf kaynakl\u0131 b\u00fct\u00fcn olaylar\u201d gibi \u00e7ok geni\u015f ifadelerin altyap\u0131 ba\u011f\u0131ml\u0131l\u0131klar\u0131n\u0131 tamamen kapsam d\u0131\u015f\u0131 b\u0131rak\u0131p b\u0131rakmad\u0131\u011f\u0131 dikkatle okunmal\u0131d\u0131r.<\/p>\n<p>M\u00fc\u015fteri sorumluluklar\u0131 da ayn\u0131 a\u00e7\u0131kl\u0131kta yaz\u0131lmal\u0131d\u0131r. G\u00fcncel ileti\u015fim bilgisi sa\u011flamak, destek talebini do\u011fru kanaldan a\u00e7mak, y\u00f6netilmeyen sistemde yaz\u0131l\u0131m g\u00fcncellemelerini yapmak veya gerekli loglar\u0131 payla\u015fmak m\u00fc\u015fteriye ait olabilir. Sorumluluk da\u011f\u0131l\u0131m\u0131 belirsizse olay s\u0131ras\u0131nda \u00e7\u00f6z\u00fcm ve kredi de\u011ferlendirmesi uzar.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Uptime_nasil_izlenir_ve_kesinti_nasil_dogrulanir\"><\/span>Uptime nas\u0131l izlenir ve kesinti nas\u0131l do\u011frulan\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/verimin.com.tr\/blog\/wp-content\/uploads\/2026\/07\/uptime-izleme.avif\" alt=\"Uptime nas\u0131l izlenir ve kesinti nas\u0131l do\u011frulan\u0131r?\" width=\"1672\" height=\"941\" loading=\"lazy\" decoding=\"async\" \/><\/figure>\n<p>Uptime takibi, d\u0131\u015far\u0131dan d\u00fczenli aral\u0131klarla yap\u0131lan eri\u015fim kontrolleriyle ba\u015flar. Yaln\u0131z ana sayfan\u0131n yan\u0131t vermesi yerine DNS \u00e7\u00f6z\u00fcmlemesi, TLS ba\u011flant\u0131s\u0131, HTTP durum kodu ve kritik bir uygulama u\u00e7 noktas\u0131 ayr\u0131 izlenebilir. Dinamik bir hizmet i\u00e7in veritaban\u0131na ba\u011fl\u0131 basit bir sa\u011fl\u0131k kontrol\u00fc, yaln\u0131z statik sayfa testinden daha anlaml\u0131 olabilir.<\/p>\n<p>Alarm geldi\u011finde \u00f6nce olay\u0131n tek bir kullan\u0131c\u0131y\u0131 m\u0131, belirli bir lokasyonu mu yoksa t\u00fcm ziyaret\u00e7ileri mi etkiledi\u011fi belirlenmelidir. DNS sonucu, rota, port eri\u015fimi, HTTP yan\u0131t\u0131, zaman damgas\u0131 ve hata metni kaydedilmelidir. \u00d6rne\u011fin <a href=\"https:\/\/verimin.com.tr\/blog\/503-service-unavailable-hatasi-nasil-cozulur\/\">503 Service Unavailable hatas\u0131<\/a>, sunucuya ba\u011flant\u0131 kurulabildi\u011fi halde uygulaman\u0131n iste\u011fi kar\u015f\u0131layamad\u0131\u011f\u0131n\u0131 g\u00f6sterebilir; bu durum a\u011f kesintisiyle ayn\u0131 bi\u00e7imde s\u0131n\u0131fland\u0131r\u0131lmamal\u0131d\u0131r.<\/p>\n<p>Sa\u011flay\u0131c\u0131ya iletilen kay\u0131tta ba\u015flang\u0131\u00e7 zaman\u0131, etkilenen alan ad\u0131 veya IP, test lokasyonlar\u0131, al\u0131nan hata ve m\u00fcmk\u00fcnse olay\u0131n tekrarland\u0131\u011f\u0131 aral\u0131k bulunmal\u0131d\u0131r. Sunucu loglar\u0131n\u0131n saat dilimi ile izleme arac\u0131n\u0131n saat dilimi e\u015fle\u015ftirilmelidir. Hizmet yeniden geldi\u011finde de yaln\u0131z tek ba\u015far\u0131l\u0131 kontrolden sonra de\u011fil, art arda sa\u011fl\u0131kl\u0131 yan\u0131tlar g\u00f6r\u00fcld\u00fc\u011f\u00fcnde biti\u015f zaman\u0131 belirlemek daha g\u00fcvenilir olur.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Performans_dususu_kesinti_sayilir_mi\"><\/span>Performans d\u00fc\u015f\u00fc\u015f\u00fc kesinti say\u0131l\u0131r m\u0131?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Y\u00fcksek gecikme veya zaman a\u015f\u0131m\u0131, kullan\u0131c\u0131 a\u00e7\u0131s\u0131ndan hizmeti kullan\u0131lamaz hale getirebilir. Fakat SLA yaln\u0131z \u201cport a\u00e7\u0131k\u201d kontrol\u00fcne dayan\u0131yorsa performans bozulmas\u0131 kapsam d\u0131\u015f\u0131nda kalabilir. Kritik uygulamalarda yan\u0131t s\u00fcresi, hata oran\u0131 veya i\u015flem ba\u015far\u0131s\u0131 gibi hizmet seviyesi g\u00f6stergelerinin ayr\u0131ca tan\u0131mlanmas\u0131 bu bo\u015flu\u011fu azalt\u0131r.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"SLA_ihlali_ve_hizmet_kredisi_sureci_nasil_isler\"><\/span>SLA ihlali ve hizmet kredisi s\u00fcreci nas\u0131l i\u015fler?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Hedefin kar\u015f\u0131lanmad\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcn\u00fcyorsan\u0131z \u00f6nce SLA\u2019daki ba\u015fvuru s\u00fcresini ve gerekli kan\u0131tlar\u0131 kontrol edin. Baz\u0131 s\u00f6zle\u015fmeler kredinin otomatik tan\u0131mlanmas\u0131n\u0131, baz\u0131lar\u0131 ise m\u00fc\u015fterinin belirli bir s\u00fcre i\u00e7inde talep a\u00e7mas\u0131n\u0131 \u00f6ng\u00f6r\u00fcr. Talepte olay numaras\u0131, do\u011frulanan kesinti aral\u0131\u011f\u0131, etkilenen hizmet ve hesaplama y\u00f6ntemi a\u00e7\u0131k\u00e7a yer almal\u0131d\u0131r.<\/p>\n<p>Hizmet kredisi \u00e7o\u011funlukla nakit tazminatla ayn\u0131 \u015fey de\u011fildir; gelecek fatura veya hizmet d\u00f6nemi i\u00e7in uygulanabilecek s\u0131n\u0131rl\u0131 bir alacak olarak tan\u0131mlanabilir. Kredinin \u00fcst s\u0131n\u0131r\u0131, hangi hizmet bedeli \u00fczerinden hesapland\u0131\u011f\u0131 ve ba\u015fka bir hesaba aktar\u0131l\u0131p aktar\u0131lamad\u0131\u011f\u0131 s\u00f6zle\u015fmede kontrol edilmelidir. \u0130\u015f kayb\u0131n\u0131n tamam\u0131n\u0131n krediyle kar\u015f\u0131lanaca\u011f\u0131 varsay\u0131lmamal\u0131d\u0131r.<\/p>\n<p>Kredi talebi, teknik k\u00f6k neden analizinin yerine ge\u00e7mez. Tekrarlayan olaylarda sa\u011flay\u0131c\u0131dan zaman \u00e7izelgesi, etkilenen bile\u015fen, uygulanan d\u00fczeltme ve tekrar\u0131n\u0131 \u00f6nleme ad\u0131mlar\u0131 istenmelidir. B\u00f6ylece de\u011ferlendirme yaln\u0131z ge\u00e7mi\u015f faturaya de\u011fil gelecekteki operasyon riskine de dayan\u0131r.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Destek_hedefleri_SLAya_nasil_yazilir\"><\/span>Destek hedefleri SLA\u2019ya nas\u0131l yaz\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Destek SLA\u2019s\u0131nda \u00f6ncelik seviyeleri somut etkiyle tan\u0131mlanmal\u0131d\u0131r. Tam eri\u015fim kayb\u0131 ile tek kullan\u0131c\u0131n\u0131n yap\u0131land\u0131rma sorunu ayn\u0131 \u00f6nceli\u011fe sahip olmamal\u0131d\u0131r. \u0130lk yan\u0131t, durum g\u00fcncellemesi, ge\u00e7ici \u00e7\u00f6z\u00fcm ve kal\u0131c\u0131 \u00e7\u00f6z\u00fcm birbirinden ayr\u0131lmal\u0131; her hedefin yaln\u0131z mesai saatlerinde mi yoksa g\u00fcn\u00fcn tamam\u0131nda m\u0131 ge\u00e7erli oldu\u011fu belirtilmelidir.<\/p>\n<p>\u201c\u00c7\u00f6z\u00fcm s\u00fcresi\u201d her ar\u0131za i\u00e7in kesin olarak taahh\u00fct edilemeyebilir; \u00fc\u00e7\u00fcnc\u00fc taraf m\u00fcdahalesi veya karma\u015f\u0131k veri kurtarma farkl\u0131 s\u00fcre gerektirebilir. Bu durumda sa\u011flay\u0131c\u0131, ilk m\u00fcdahale ve d\u00fczenli bilgilendirme hedeflerini \u00f6l\u00e7\u00fclebilir bi\u00e7imde tan\u0131mlayabilir. M\u00fc\u015fterinin cevap vermesini bekleyen s\u00fcrelerin saya\u00e7ta nas\u0131l ele al\u0131nd\u0131\u011f\u0131 da a\u00e7\u0131k olmal\u0131d\u0131r.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hosting_SLA_teklifleri_nasil_karsilastirilir\"><\/span>Hosting SLA teklifleri nas\u0131l kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Kar\u015f\u0131la\u015ft\u0131rmaya a\u00e7\u0131klanan y\u00fczdeyi s\u0131ralayarak de\u011fil, kapsam tablosu olu\u015fturarak ba\u015flay\u0131n. \u00d6l\u00e7\u00fcm noktas\u0131, d\u00f6nem, bak\u0131m istisnas\u0131, a\u011f ve g\u00fc\u00e7 kapsam\u0131, uygulama sorumlulu\u011fu, destek kanal\u0131, kredi talep s\u00fcresi ve kredi \u00fcst s\u0131n\u0131r\u0131n\u0131 ayn\u0131 sat\u0131rlarda de\u011ferlendirin. Ayn\u0131 g\u00f6r\u00fcnen iki uptime hedefi, farkl\u0131 istisnalar nedeniyle pratikte farkl\u0131 koruma sunabilir.<\/p>\n<ul>\n<li>Hizmetin hangi bile\u015feni eri\u015filebilir say\u0131l\u0131yor?<\/li>\n<li>\u00d6l\u00e7\u00fcm\u00fc sa\u011flay\u0131c\u0131 m\u0131, ba\u011f\u0131ms\u0131z ara\u00e7 m\u0131 yap\u0131yor?<\/li>\n<li>Planl\u0131 bak\u0131m ne kadar \u00f6nce bildiriliyor?<\/li>\n<li>Kesinti ve performans bozulmas\u0131 nas\u0131l ayr\u0131l\u0131yor?<\/li>\n<li>Destek \u00f6ncelikleri ve \u00e7al\u0131\u015fma saatleri a\u00e7\u0131k m\u0131?<\/li>\n<li>Kredi otomatik mi, ba\u015fvuruya ba\u011fl\u0131 m\u0131?<\/li>\n<li>Olay sonras\u0131 rapor veya k\u00f6k neden analizi sa\u011flan\u0131yor mu?<\/li>\n<\/ul>\n<p>Son se\u00e7im i\u015f y\u00fck\u00fcn\u00fcn \u00f6nemine g\u00f6re yap\u0131lmal\u0131d\u0131r. Kritik olmayan bir tan\u0131t\u0131m sitesi ile s\u00fcrekli i\u015flem alan bir uygulaman\u0131n kesinti tolerans\u0131 ayn\u0131 de\u011fildir. SLA\u2019y\u0131 mimari yedeklilik, yedekleme, izleme ve kurtarma plan\u0131n\u0131n yerine koymak yerine bu \u00f6nlemleri tamamlayan s\u00f6zle\u015fmesel katman olarak de\u011ferlendirin.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sonuc\"><\/span>Sonu\u00e7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SLA, hosting hizmetinin \u00f6l\u00e7\u00fclebilir hedeflerini ve hedef kar\u015f\u0131lanmad\u0131\u011f\u0131nda izlenecek yolu tan\u0131mlar; uptime ise bu \u00e7er\u00e7evede kullan\u0131lan metriklerden yaln\u0131z biridir. Sa\u011fl\u0131kl\u0131 bir de\u011ferlendirme i\u00e7in \u00f6l\u00e7\u00fcm d\u00f6nemi, kapsam, planl\u0131 bak\u0131m, istisnalar, destek seviyeleri ve hizmet kredisi ayn\u0131 belge i\u00e7inde birlikte okunmal\u0131d\u0131r.<\/p>\n<p>Kendi d\u0131\u015f izlemenizi tutun, hata kay\u0131tlar\u0131n\u0131 zaman damgas\u0131yla saklay\u0131n ve sa\u011flay\u0131c\u0131n\u0131n raporuyla kar\u015f\u0131la\u015ft\u0131r\u0131n. En y\u00fcksek y\u00fczdeyi se\u00e7mek yerine, i\u015f y\u00fck\u00fcn\u00fcz\u00fcn ger\u00e7ek risklerini kapsayan, sorumluluklar\u0131 a\u00e7\u0131k ve do\u011frulanabilir bir SLA tercih edin.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hosting_SLA_hakkinda_sik_sorulan_sorular\"><\/span>Hosting SLA hakk\u0131nda s\u0131k sorulan sorular<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"SLA_butun_hosting_kesintilerini_kapsar_mi\"><\/span>SLA b\u00fct\u00fcn hosting kesintilerini kapsar m\u0131?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hay\u0131r. Kapsam hizmete ve s\u00f6zle\u015fmeye g\u00f6re de\u011fi\u015fir. Planl\u0131 bak\u0131m, m\u00fc\u015fteri yap\u0131land\u0131rmas\u0131, alan ad\u0131 veya belirli \u00fc\u00e7\u00fcnc\u00fc taraf hizmetleri istisna olabilir. Hangi katman\u0131n ve olay t\u00fcr\u00fcn\u00fcn kapsand\u0131\u011f\u0131 SLA metninden do\u011frulanmal\u0131d\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uptime_degerini_yalniz_saglayicinin_panelinden_izlemek_yeterli_midir\"><\/span>Uptime de\u011ferini yaln\u0131z sa\u011flay\u0131c\u0131n\u0131n panelinden izlemek yeterli midir?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sa\u011flay\u0131c\u0131 verisi \u00f6nemlidir fakat kullan\u0131c\u0131 deneyimini g\u00f6rmek i\u00e7in farkl\u0131 lokasyonlardan ba\u011f\u0131ms\u0131z d\u0131\u015f izleme de yararl\u0131d\u0131r. \u0130ki veri kayna\u011f\u0131n\u0131n \u00f6l\u00e7\u00fcm noktalar\u0131 ve saat dilimleri ayn\u0131 olmad\u0131\u011f\u0131ndan sonu\u00e7lar olay kayd\u0131yla birlikte de\u011ferlendirilmelidir.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"SLA_ihlalinde_hizmet_kredisi_otomatik_verilir_mi\"><\/span>SLA ihlalinde hizmet kredisi otomatik verilir mi?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Her zaman de\u011fil. Baz\u0131 s\u00f6zle\u015fmeler otomatik kredi tan\u0131mlarken baz\u0131lar\u0131 belirli s\u00fcre i\u00e7inde kan\u0131tlarla ba\u015fvuru ister. Talep y\u00f6ntemi, zaman s\u0131n\u0131r\u0131 ve kredi hesab\u0131 hizmet ba\u015flamadan \u00f6nce okunmal\u0131d\u0131r.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Uptime_hedefi_yedekleme_ve_veri_kurtarmayi_da_kapsar_mi\"><\/span>Uptime hedefi yedekleme ve veri kurtarmay\u0131 da kapsar m\u0131?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Genellikle bunlar ayr\u0131 hizmet ba\u015fl\u0131klar\u0131d\u0131r. Sunucunun eri\u015filebilir olmas\u0131 yede\u011fin g\u00fcncel veya geri y\u00fcklenebilir oldu\u011funu g\u00f6stermez. Yedek s\u0131kl\u0131\u011f\u0131, saklama ve geri y\u00fckleme hedefleri ayr\u0131ca tan\u0131mlanmal\u0131d\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bir hosting hizmetinin \u201cy\u00fcksek eri\u015filebilirlik\u201d sundu\u011funu s\u00f6ylemek ile bu eri\u015filebilirli\u011fin hangi ko\u015fullarda, nas\u0131l \u00f6l\u00e7\u00fclece\u011fini ve&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1631,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"_links":{"self":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=1646"}],"version-history":[{"count":3,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1646\/revisions"}],"predecessor-version":[{"id":1661,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/posts\/1646\/revisions\/1661"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media\/1631"}],"wp:attachment":[{"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=1646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=1646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/verimin.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=1646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}