{"id":17133,"date":"2025-11-23T08:30:54","date_gmt":"2025-11-23T05:30:54","guid":{"rendered":"https:\/\/blog.sh.com.tr\/?p=17133"},"modified":"2025-11-24T09:19:55","modified_gmt":"2025-11-24T06:19:55","slug":"yuksek-erisilebilirlik-ve-cloud-sunuculari-arasindaki-baglanti","status":"publish","type":"post","link":"https:\/\/sh.com.tr\/blog\/yuksek-erisilebilirlik-ve-cloud-sunuculari-arasindaki-baglanti\/","title":{"rendered":"Y\u00fcksek Eri\u015filebilirlik ve Cloud Sunucular\u0131 Aras\u0131ndaki Ba\u011flant\u0131"},"content":{"rendered":"<p style=\"text-align: justify;\" data-start=\"69\" data-end=\"487\">Dijitalle\u015fmenin h\u0131zland\u0131\u011f\u0131 g\u00fcn\u00fcm\u00fczde, kullan\u0131c\u0131lar\u0131n beklentisi yaln\u0131zca h\u0131zl\u0131 de\u011fil, ayn\u0131 zamanda <strong data-start=\"168\" data-end=\"189\">kesintisiz eri\u015fim<\/strong>dir. Bir web uygulamas\u0131 ya da kurumsal sistem, birka\u00e7 dakikal\u0131k kesinti ya\u015fad\u0131\u011f\u0131nda dahi ciddi finansal kay\u0131plar ve m\u00fc\u015fteri g\u00fcveni sorunlar\u0131 do\u011furabilir. \u0130\u015fte tam bu noktada, <strong data-start=\"364\" data-end=\"415\">y\u00fcksek eri\u015filebilirlik (High Availability \u2013 HA)<\/strong> kavram\u0131 ile <strong data-start=\"428\" data-end=\"448\">cloud sunucular\u0131<\/strong> aras\u0131ndaki ili\u015fki kritik \u00f6nem ta\u015f\u0131r.<\/p>\n<p style=\"text-align: justify;\" data-start=\"489\" data-end=\"668\">Bu yaz\u0131da, <strong data-start=\"500\" data-end=\"563\">y\u00fcksek eri\u015filebilirlik ile cloud sunucular\u0131n\u0131n ba\u011flant\u0131s\u0131n\u0131<\/strong>, kullan\u0131lan y\u00f6ntemleri, teknik avantajlar\u0131 ve i\u015fletmelere sa\u011flad\u0131\u011f\u0131 stratejik faydalar\u0131 inceleyece\u011fiz.<\/p>\n<h3 style=\"text-align: justify;\" data-start=\"675\" data-end=\"730\"><strong>Y\u00fcksek Eri\u015filebilirlik (High Availability) Nedir?<\/strong><\/h3>\n<p style=\"text-align: justify;\" data-start=\"732\" data-end=\"941\"><strong data-start=\"732\" data-end=\"758\">Y\u00fcksek eri\u015filebilirlik<\/strong>, bir sistemin minimum kesinti s\u00fcresi ile s\u00fcrekli olarak eri\u015filebilir olmas\u0131n\u0131 sa\u011flayan bir mimari yakla\u015f\u0131m\u0131d\u0131r. Bu kavram yaln\u0131zca yaz\u0131l\u0131m veya donan\u0131m de\u011fil, t\u00fcm altyap\u0131y\u0131 kapsar.<\/p>\n<p style=\"text-align: justify;\" data-start=\"943\" data-end=\"997\">Bir sistemin y\u00fcksek eri\u015filebilir say\u0131labilmesi i\u00e7in:<\/p>\n<ul style=\"text-align: justify;\" data-start=\"999\" data-end=\"1163\">\n<li data-start=\"999\" data-end=\"1029\">\n<p data-start=\"1001\" data-end=\"1029\"><strong data-start=\"1001\" data-end=\"1020\">Ar\u0131za tolerans\u0131<\/strong> olmal\u0131<\/p>\n<\/li>\n<li data-start=\"1030\" data-end=\"1072\">\n<p data-start=\"1032\" data-end=\"1072\"><strong data-start=\"1032\" data-end=\"1059\">Yedeklilik (redundancy)<\/strong> sa\u011flanmal\u0131<\/p>\n<\/li>\n<li data-start=\"1073\" data-end=\"1108\">\n<p data-start=\"1075\" data-end=\"1108\"><strong data-start=\"1075\" data-end=\"1096\">Kesintisiz izleme<\/strong> yap\u0131lmal\u0131<\/p>\n<\/li>\n<li data-start=\"1109\" data-end=\"1163\">\n<p data-start=\"1111\" data-end=\"1163\"><strong data-start=\"1111\" data-end=\"1137\">Otomatik hata kurtarma<\/strong> mekanizmalar\u0131 bulunmal\u0131<\/p>\n<\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"1165\" data-end=\"1223\">Genellikle eri\u015filebilirlik y\u00fczdesi ile \u00f6l\u00e7\u00fcl\u00fcr. \u00d6rne\u011fin:<\/p>\n<ul style=\"text-align: justify;\" data-start=\"1225\" data-end=\"1413\">\n<li data-start=\"1225\" data-end=\"1268\">\n<p data-start=\"1227\" data-end=\"1268\"><strong data-start=\"1227\" data-end=\"1241\">99% uptime<\/strong> \u2192 Y\u0131lda ~87 saat kesinti<\/p>\n<\/li>\n<li data-start=\"1269\" data-end=\"1315\">\n<p data-start=\"1271\" data-end=\"1315\"><strong data-start=\"1271\" data-end=\"1287\">99.9% uptime<\/strong> \u2192 Y\u0131lda ~8.7 saat kesinti<\/p>\n<\/li>\n<li data-start=\"1316\" data-end=\"1364\">\n<p data-start=\"1318\" data-end=\"1364\"><strong data-start=\"1318\" data-end=\"1335\">99.99% uptime<\/strong> \u2192 Y\u0131lda ~52 dakika kesinti<\/p>\n<\/li>\n<li data-start=\"1365\" data-end=\"1413\">\n<p data-start=\"1367\" data-end=\"1413\"><strong data-start=\"1367\" data-end=\"1385\">99.999% uptime<\/strong> \u2192 Y\u0131lda ~5 dakika kesinti<\/p>\n<\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"1415\" data-end=\"1554\">\u00d6zellikle kritik hizmetler sunan finans, e-ticaret, sa\u011fl\u0131k ve ileti\u015fim sekt\u00f6r\u00fc i\u00e7in <strong data-start=\"1499\" data-end=\"1524\">\u201cbe\u015f dokuz\u201d (99.999%)<\/strong> eri\u015filebilirlik hedeflenir.<\/p>\n<h3 style=\"text-align: justify;\" data-start=\"1561\" data-end=\"1609\"><strong>Cloud Sunucular\u0131 ve Y\u00fcksek Eri\u015filebilirlik<\/strong><\/h3>\n<p style=\"text-align: justify;\" data-start=\"1611\" data-end=\"1861\"><a href=\"https:\/\/sh.com.tr\/cloud-server\"><strong data-start=\"1611\" data-end=\"1631\">Cloud sunucular\u0131<\/strong><\/a>, y\u00fcksek eri\u015filebilirlik i\u00e7in en uygun altyap\u0131lardan biridir. Geleneksel fiziksel sunucularda tek bir donan\u0131m ar\u0131zas\u0131 t\u00fcm sistemi \u00e7\u00f6kertirken, cloud mimarisi sanalla\u015ft\u0131rma ve da\u011f\u0131t\u0131k yap\u0131 sayesinde \u00e7ok daha esnek \u00e7\u00f6z\u00fcmler sunar.<\/p>\n<p style=\"text-align: justify;\" data-start=\"1863\" data-end=\"1944\">Cloud sunucular\u0131n y\u00fcksek eri\u015filebilirlik ile ili\u015fkisi \u015fu ba\u015fl\u0131klarda \u00f6ne \u00e7\u0131kar:<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong data-start=\"1954\" data-end=\"1972\">Da\u011f\u0131t\u0131k Mimari<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"1975\" data-end=\"2102\">Cloud sa\u011flay\u0131c\u0131lar\u0131, hizmetlerini birden fazla veri merkezine yayar. Bu sayede tek bir noktadaki ar\u0131za t\u00fcm sistemi etkilemez.<\/p>\n<ul style=\"text-align: justify;\">\n<li data-start=\"2104\" data-end=\"2128\"><strong data-start=\"2112\" data-end=\"2126\">Yedeklilik<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"2129\" data-end=\"2256\">Sunucu, disk, a\u011f veya yaz\u0131l\u0131m bile\u015fenleri yedeklenir. Veriler birden \u00e7ok b\u00f6lgede kopyalanarak olas\u0131 kay\u0131plar\u0131n \u00f6n\u00fcne ge\u00e7ilir.<\/p>\n<ul style=\"text-align: justify;\">\n<li data-start=\"2258\" data-end=\"2309\"><strong data-start=\"2266\" data-end=\"2307\">Otomatik \u00d6l\u00e7eklendirme (Auto-Scaling)<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"2310\" data-end=\"2428\">Trafik yo\u011funlu\u011funa g\u00f6re sistem kaynaklar\u0131 otomatik olarak artar veya azal\u0131r. Bu da performans d\u00fc\u015f\u00fc\u015f\u00fcn\u00fcn \u00f6n\u00fcne ge\u00e7er.<\/p>\n<ul style=\"text-align: justify;\">\n<li data-start=\"2430\" data-end=\"2474\"><strong data-start=\"2438\" data-end=\"2472\">Load Balancing (Y\u00fck Dengeleme)<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"2475\" data-end=\"2641\">\u0130stekler birden fazla sunucuya da\u011f\u0131t\u0131larak hem h\u0131z hem de eri\u015filebilirlik art\u0131r\u0131l\u0131r. Bir sunucu devre d\u0131\u015f\u0131 kald\u0131\u011f\u0131nda trafik otomatik olarak di\u011ferine y\u00f6nlendirilir.<\/p>\n<h3 style=\"text-align: justify;\" data-start=\"2648\" data-end=\"2713\"><strong>Cloud Sunucularda Y\u00fcksek Eri\u015filebilirlik Sa\u011flama Y\u00f6ntemleri<\/strong><\/h3>\n<ul style=\"text-align: justify;\">\n<li data-start=\"2715\" data-end=\"2765\"><strong data-start=\"2723\" data-end=\"2763\">Multi-Zone ve Multi-Region Kullan\u0131m\u0131<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"2766\" data-end=\"2980\">Amazon Web Services (AWS), Google Cloud, Microsoft Azure gibi sa\u011flay\u0131c\u0131lar, sistemleri birden fazla b\u00f6lgeye da\u011f\u0131tma imk\u00e2n\u0131 sunar. Bu y\u00f6ntem, do\u011fal afet veya b\u00f6lgesel sorunlarda bile hizmetin devaml\u0131l\u0131\u011f\u0131n\u0131 sa\u011flar.<\/p>\n<ul style=\"text-align: justify;\">\n<li data-start=\"2982\" data-end=\"3019\"><strong data-start=\"2990\" data-end=\"3017\">Veritaban\u0131 Replikasyonu<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"3020\" data-end=\"3184\">Y\u00fcksek eri\u015filebilirlik i\u00e7in veritabanlar\u0131n\u0131n birden fazla kopyas\u0131 \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r. \u00d6rne\u011fin <strong data-start=\"3108\" data-end=\"3124\">Master-Slave<\/strong> veya <strong data-start=\"3130\" data-end=\"3146\">Multi-Master<\/strong> replikasyon yap\u0131lar\u0131 tercih edilir.<\/p>\n<ul style=\"text-align: justify;\">\n<li data-start=\"3186\" data-end=\"3250\"><strong data-start=\"3194\" data-end=\"3248\">Container Orkestrasyonu (Kubernetes, Docker Swarm)<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"3251\" data-end=\"3423\">Container tabanl\u0131 uygulamalarda, pod veya container ar\u0131zaland\u0131\u011f\u0131nda sistem otomatik olarak yenisini aya\u011fa kald\u0131r\u0131r. Bu da uygulaman\u0131n kesintisiz \u00e7al\u0131\u015fmas\u0131n\u0131 garanti eder.<\/p>\n<ul style=\"text-align: justify;\">\n<li data-start=\"3425\" data-end=\"3461\"><strong data-start=\"3433\" data-end=\"3459\">Failover Mekanizmalar\u0131<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: justify;\" data-start=\"3462\" data-end=\"3608\">Bir bile\u015fen \u00e7al\u0131\u015fmaz hale geldi\u011finde otomatik olarak yedek bile\u015fen devreye girer. Bu ge\u00e7i\u015f, kullan\u0131c\u0131 fark etmeden saniyeler i\u00e7inde ger\u00e7ekle\u015fir.<\/p>\n<h3 style=\"text-align: justify;\" data-start=\"3615\" data-end=\"3686\"><strong>Y\u00fcksek Eri\u015filebilirlik ve Cloud\u2019un \u0130\u015fletmelere Sa\u011flad\u0131\u011f\u0131 Faydalar<\/strong><\/h3>\n<ul style=\"text-align: justify;\" data-start=\"3688\" data-end=\"4028\">\n<li data-start=\"3688\" data-end=\"3758\">\n<p data-start=\"3690\" data-end=\"3758\"><strong data-start=\"3690\" data-end=\"3712\">Kesintisiz hizmet:<\/strong> Kullan\u0131c\u0131 deneyimini en \u00fcst seviyede tutar.<\/p>\n<\/li>\n<li data-start=\"3759\" data-end=\"3808\">\n<p data-start=\"3761\" data-end=\"3808\"><strong data-start=\"3761\" data-end=\"3778\">G\u00fcvenilirlik:<\/strong> M\u00fc\u015fteri sadakatini art\u0131r\u0131r.<\/p>\n<\/li>\n<li data-start=\"3809\" data-end=\"3876\">\n<p data-start=\"3811\" data-end=\"3876\"><strong data-start=\"3811\" data-end=\"3832\">Maliyet avantaj\u0131:<\/strong> Fiziksel yedekleme maliyetlerini azalt\u0131r.<\/p>\n<\/li>\n<li data-start=\"3877\" data-end=\"3943\">\n<p data-start=\"3879\" data-end=\"3943\"><strong data-start=\"3879\" data-end=\"3892\">Esneklik:<\/strong> \u0130htiyaca g\u00f6re kaynaklar\u0131n \u00f6l\u00e7eklenmesini sa\u011flar.<\/p>\n<\/li>\n<li data-start=\"3944\" data-end=\"4028\">\n<p data-start=\"3946\" data-end=\"4028\"><strong data-start=\"3946\" data-end=\"3965\">Veri g\u00fcvenli\u011fi:<\/strong> Da\u011f\u0131t\u0131k veri merkezleri sayesinde kay\u0131p riski minimuma iner.<\/p>\n<\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\" data-start=\"4035\" data-end=\"4095\"><strong>Y\u00fcksek Eri\u015filebilirlik \u0130\u00e7in Dikkat Edilmesi Gerekenler<\/strong><\/h3>\n<ul style=\"text-align: justify;\" data-start=\"4097\" data-end=\"4465\">\n<li data-start=\"4097\" data-end=\"4186\">\n<p data-start=\"4099\" data-end=\"4186\"><strong data-start=\"4099\" data-end=\"4132\">Do\u011fru cloud sa\u011flay\u0131c\u0131 se\u00e7imi:<\/strong> SLA (Service Level Agreement) dikkatle incelenmeli.<\/p>\n<\/li>\n<li data-start=\"4187\" data-end=\"4269\">\n<p data-start=\"4189\" data-end=\"4269\"><strong data-start=\"4189\" data-end=\"4208\">S\u00fcrekli izleme:<\/strong> Monitoring ara\u00e7lar\u0131 ile sistem performans\u0131 takip edilmeli.<\/p>\n<\/li>\n<li data-start=\"4270\" data-end=\"4370\">\n<p data-start=\"4272\" data-end=\"4370\"><strong data-start=\"4272\" data-end=\"4297\">Yedekleme stratejisi:<\/strong> Verilerin yaln\u0131zca cloud\u2019da de\u011fil, farkl\u0131 ortamlarda da yede\u011fi olmal\u0131.<\/p>\n<\/li>\n<li data-start=\"4371\" data-end=\"4465\">\n<p data-start=\"4373\" data-end=\"4465\"><strong data-start=\"4373\" data-end=\"4394\">Test senaryolar\u0131:<\/strong> Failover ve disaster recovery planlar\u0131 d\u00fczenli olarak test edilmeli.<\/p>\n<\/li>\n<\/ul>\n<div style=\"width: 696px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-17133-1\" width=\"696\" height=\"392\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/sh.com.tr\/blog\/wp-content\/uploads\/Video2.mp4?_=1\" \/><a href=\"https:\/\/sh.com.tr\/blog\/wp-content\/uploads\/Video2.mp4\">https:\/\/sh.com.tr\/blog\/wp-content\/uploads\/Video2.mp4<\/a><\/video><\/div>\n<p style=\"text-align: justify;\" data-start=\"97\" data-end=\"463\"><a href=\"https:\/\/sh.com.tr\/cloud-server\"><strong data-start=\"291\" data-end=\"311\">Cloud sunucular\u0131<\/strong><\/a>, sundu\u011fu da\u011f\u0131t\u0131k mimari, yedeklilik, otomatik \u00f6l\u00e7eklendirme ve y\u00fck dengeleme \u00f6zellikleri ile y\u00fcksek eri\u015filebilirli\u011fi en verimli \u015fekilde m\u00fcmk\u00fcn k\u0131lar.<\/p>\n<p style=\"text-align: justify;\" data-start=\"465\" data-end=\"882\">Do\u011fru strateji ile kurgulanm\u0131\u015f bir cloud altyap\u0131s\u0131, yaln\u0131zca kesintisiz hizmet sunmakla kalmaz; ayn\u0131 zamanda m\u00fc\u015fteri memnuniyetini art\u0131r\u0131r, i\u015f s\u00fcreklili\u011fini garanti alt\u0131na al\u0131r ve uzun vadede maliyet avantaj\u0131 sa\u011flar. Bu nedenle giri\u015fimlerden b\u00fcy\u00fck \u00f6l\u00e7ekli kurumlara kadar her i\u015fletme i\u00e7in, <strong data-start=\"755\" data-end=\"823\">y\u00fcksek eri\u015filebilirlik ve cloud sunucular\u0131 aras\u0131ndaki ba\u011flant\u0131y\u0131<\/strong> g\u00fc\u00e7l\u00fc bir temel strateji olarak g\u00f6rmek b\u00fcy\u00fck \u00f6nem ta\u015f\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dijitalle\u015fmenin h\u0131zland\u0131\u011f\u0131 g\u00fcn\u00fcm\u00fczde, kullan\u0131c\u0131lar\u0131n beklentisi yaln\u0131zca h\u0131zl\u0131 de\u011fil, ayn\u0131 zamanda kesintisiz eri\u015fimdir. Bir web uygulamas\u0131 ya da kurumsal sistem, birka\u00e7 dakikal\u0131k kesinti ya\u015fad\u0131\u011f\u0131nda dahi ciddi finansal kay\u0131plar ve m\u00fc\u015fteri g\u00fcveni sorunlar\u0131 do\u011furabilir. \u0130\u015fte tam bu noktada, y\u00fcksek eri\u015filebilirlik (High Availability \u2013 HA) kavram\u0131 ile cloud sunucular\u0131 aras\u0131ndaki ili\u015fki kritik \u00f6nem ta\u015f\u0131r. Bu yaz\u0131da, y\u00fcksek eri\u015filebilirlik [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":17135,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2018,1466,2017],"class_list":["post-17133","post","type-post","status-publish","format-standard","has-post-thumbnail","category-sunucu","tag-cloud-sunucu-yedeklilik","tag-cloud-sunucular","tag-yuksek-erisilebilirlik-cloud"],"_links":{"self":[{"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/posts\/17133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=17133"}],"version-history":[{"count":0,"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/posts\/17133\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/media\/17135"}],"wp:attachment":[{"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=17133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=17133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sh.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=17133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}