{"id":2628,"date":"2026-09-29T17:30:00","date_gmt":"2026-09-29T14:30:00","guid":{"rendered":"https:\/\/narhost.com\/blog\/?p=2628"},"modified":"2026-10-05T20:51:40","modified_gmt":"2026-10-05T17:51:40","slug":"snapshot-yedek-yerine-gecer-mi","status":"publish","type":"post","link":"https:\/\/narhost.com\/blog\/snapshot-yedek-yerine-gecer-mi\/","title":{"rendered":"Snapshot Yedek Yerine Ge\u00e7er mi, VPS&#8217;te \u0130kisinin 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>Snapshot yedek yerine ge\u00e7mez: diskin belirli bir andaki durumunu ayn\u0131 depolama \u00fczerinde tutan bir geri d\u00f6n\u00fc\u015f noktas\u0131d\u0131r, ayr\u0131 bir kopya de\u011fildir.<\/li>\n<li>Snapshot \u00e7o\u011fu yap\u0131da yaln\u0131z de\u011fi\u015fen bloklar\u0131 saklar ve okumak i\u00e7in as\u0131l diske dayan\u0131r; as\u0131l disk ya da depolama havuzu giderse snapshot da gider.<\/li>\n<li>Veritaban\u0131 \u00e7al\u0131\u015f\u0131rken al\u0131nan snapshot &#8220;\u00e7\u00f6kme tutarl\u0131&#8221; olur: geri d\u00f6nd\u00fc\u011f\u00fcn\u00fczde veritaban\u0131 elektrik kesilmi\u015f gibi a\u00e7\u0131l\u0131r ve kurtarma ad\u0131m\u0131 \u00e7al\u0131\u015ft\u0131r\u0131r.<\/li>\n<li>Snapshot&#8217;\u0131n en do\u011fru kullan\u0131m an\u0131, i\u015fletim sistemi veya uygulama g\u00fcncellemesi gibi riskli bir i\u015flemden hemen \u00f6ncesidir; birka\u00e7 saat ya da g\u00fcn i\u00e7inde silinmesi beklenir.<\/li>\n<li>Kal\u0131c\u0131 koruma i\u00e7in dosya ve veritaban\u0131 yede\u011fi sunucu d\u0131\u015f\u0131nda, 3-2-1 kural\u0131na g\u00f6re (\u00fc\u00e7 kopya, iki ortam, biri ba\u015fka konumda) tutulmal\u0131d\u0131r.<\/li>\n<li>Y\u00f6netimsiz VPS&#8217;te hem snapshot plan\u0131 hem de yedek d\u00fczeni sunucu sahibinin sorumlulu\u011fundad\u0131r.<\/li>\n<\/ul>\n<\/div>\n<p>VPS panelinde &#8220;Snapshot al&#8221; d\u00fc\u011fmesi g\u00f6r\u00fcnce yedek sorununun \u00e7\u00f6z\u00fcld\u00fc\u011f\u00fcn\u00fc d\u00fc\u015f\u00fcnmek kolayd\u0131r: tek t\u0131kla sunucunun tamam\u0131 kaydediliyor, geri d\u00f6nmek de tek t\u0131k. Bir disk ar\u0131zas\u0131, silinen bir sunucu ya da haftalar sonra fark edilen bir veri bozulmas\u0131 ya\u015fanana kadar bu d\u00fc\u015f\u00fcnce do\u011fru g\u00f6r\u00fcn\u00fcr. Snapshot yedek midir sorusunun cevab\u0131, snapshot&#8217;\u0131n diskte nas\u0131l tutuldu\u011funa bak\u0131nca netle\u015fir; bu mekanizmay\u0131 bilen biri onu ne zaman kullanaca\u011f\u0131n\u0131 ve neyin yerine koymayaca\u011f\u0131n\u0131 da bilir.<\/p>\n<h2>Snapshot Nedir, Diskte Ne Olur<\/h2>\n<p>Snapshot, bir diskin belirli bir andaki durumunun dondurulmu\u015f g\u00f6r\u00fcnt\u00fcs\u00fcd\u00fcr. \u00c7o\u011fu sanalla\u015ft\u0131rma ve depolama katman\u0131nda bu g\u00f6r\u00fcnt\u00fc, diskin tamam\u0131 kopyalanarak de\u011fil &#8220;yazma an\u0131nda kopyalama&#8221; (copy-on-write) y\u00f6ntemiyle olu\u015fturulur. <a href=\"https:\/\/docs.kernel.org\/admin-guide\/device-mapper\/snapshot.html\" title=\"Device-mapper snapshot deste\u011fi \u2014 Linux \u00e7ekirde\u011fi resm\u00ee dok\u00fcmantasyonu\" target=\"_blank\" rel=\"noopener\">Linux \u00e7ekirde\u011finin device-mapper snapshot belgesi<\/a> bu y\u00f6ntemi a\u00e7\u0131k\u00e7a tarif eder: yaln\u0131z de\u011fi\u015fen veri par\u00e7alar\u0131 ayr\u0131 bir alana kopyalan\u0131r, de\u011fi\u015fmeyen bloklar okunurken do\u011frudan as\u0131l diske gidilir.<\/p>\n<p>Bu tasar\u0131m snapshot&#8217;\u0131 h\u0131zl\u0131 ve ucuz yapar. Saniyeler i\u00e7inde al\u0131n\u0131r, ilk anda neredeyse hi\u00e7 yer kaplamaz. Ayn\u0131 tasar\u0131m, snapshot&#8217;\u0131n as\u0131l diske ba\u011f\u0131ml\u0131 oldu\u011funu da g\u00f6sterir: snapshot kendi ba\u015f\u0131na tam bir kopya de\u011fildir, as\u0131l diskin \u00fczerine yaz\u0131lm\u0131\u015f bir fark kayd\u0131d\u0131r.<\/p>\n<div class=\"highlight-box\">\n<p class=\"label\">Bilgi<\/p>\n<p>Baz\u0131 sanalla\u015ft\u0131rma platformlar\u0131 bellek ve i\u015flemci durumunu da i\u00e7eren &#8220;sanal makine snapshot&#8217;\u0131&#8221; alabilir; geri d\u00f6nd\u00fc\u011f\u00fcn\u00fczde sunucu kald\u0131\u011f\u0131 yerden \u00e7al\u0131\u015fmaya devam eder. Bu da ayn\u0131 depolama alan\u0131nda tutulur ve ayn\u0131 ba\u011f\u0131ml\u0131l\u0131k kural\u0131na tabidir.<\/p>\n<\/div>\n<h2>Snapshot Yedek Yerine Neden Ge\u00e7mez<\/h2>\n<p>Bir yede\u011fin g\u00f6revi, as\u0131l veriyi kaybetti\u011finiz senaryoda sizi kurtarmakt\u0131r. Snapshot yedek g\u00f6revi g\u00f6rmez, \u00e7\u00fcnk\u00fc as\u0131l veriyi kaybettiren olaylar\u0131n \u00e7o\u011fu snapshot&#8217;\u0131 da birlikte g\u00f6t\u00fcr\u00fcr. \u00dc\u00e7 tipik durum var.<\/p>\n<p>Birincisi ayn\u0131 donan\u0131md\u0131r. Snapshot genelde as\u0131l diskle ayn\u0131 depolama havuzunda durur; havuzda bir ar\u0131za ya da yanl\u0131\u015f bir yap\u0131land\u0131rma ikisini ayn\u0131 anda etkiler. \u0130kincisi ayn\u0131 eri\u015fimdir. Panel hesab\u0131n\u0131z ele ge\u00e7irilirse ya da sunucu yanl\u0131\u015fl\u0131kla silinirse, o sunucuya ba\u011fl\u0131 snapshot&#8217;lar da \u00e7o\u011fu zaman silinir. \u00dc\u00e7\u00fcnc\u00fcs\u00fc s\u00fcredir. Snapshot zinciri uzad\u0131k\u00e7a disk performans\u0131 d\u00fc\u015fer ve depolama dolar; bu y\u00fczden snapshot&#8217;lar k\u0131sa s\u00fcre tutulur. Haftalar sonra fark edilen bir sorun i\u00e7in elinizde temiz bir snapshot kalmam\u0131\u015f olabilir.<\/p>\n<div class=\"senaryo-block\">\n<p class=\"label\">\u00d6rnek senaryo<\/p>\n<p>K\u00fc\u00e7\u00fck bir e-ticaret i\u015fletmesi VPS&#8217;inde her gece otomatik snapshot al\u0131yor ve disk dolmas\u0131n diye yaln\u0131z son iki snapshot&#8217;\u0131 sakl\u0131yor. Bir eklenti g\u00fcncellemesi sipari\u015f tablosundaki baz\u0131 kay\u0131tlar\u0131 sessizce bozuyor; sorun d\u00f6rt g\u00fcn sonra muhasebe mutabakat\u0131nda fark ediliyor. Elde kalan iki snapshot da bozulmadan sonra al\u0131nm\u0131\u015f. Bozulma \u00f6ncesine ait tek kopya, bir \u00e7al\u0131\u015fan\u0131n ay ba\u015f\u0131nda elle indirdi\u011fi veritaban\u0131 d\u00f6k\u00fcm\u00fc oluyor ve arada ge\u00e7en \u00fc\u00e7 haftan\u0131n sipari\u015fleri elle yeniden i\u015fleniyor.<\/p>\n<\/div>\n<h2>Veritaban\u0131 A\u00e7\u0131kken Al\u0131nan Snapshot Neden Riskli<\/h2>\n<p>\u00c7al\u0131\u015fan bir veritaban\u0131, veriyi diske yazmadan \u00f6nce bir k\u0131sm\u0131n\u0131 bellekte tutar ve i\u015flemleri kendi g\u00fcnl\u00fck dosyalar\u0131yla takip eder. Tam o s\u0131rada al\u0131nan snapshot, veritaban\u0131n\u0131 elektrik kesilmi\u015f gibi yakalar. Buna &#8220;\u00e7\u00f6kme tutarl\u0131&#8221; (crash-consistent) g\u00f6r\u00fcnt\u00fc denir. <a href=\"https:\/\/www.postgresql.org\/docs\/current\/backup-file.html\" title=\"File System Level Backup \u2014 PostgreSQL resm\u00ee dok\u00fcmantasyonu\" target=\"_blank\" rel=\"noopener\">PostgreSQL&#8217;in dosya sistemi d\u00fczeyinde yedek belgesi<\/a> bunu a\u00e7\u0131k\u00e7a s\u00f6yler: bu \u015fekilde al\u0131nan kopyadan a\u00e7\u0131lan veritaban\u0131, \u00f6nceki oturumun \u00e7\u00f6kt\u00fc\u011f\u00fcn\u00fc varsayar ve g\u00fcnl\u00fck kay\u0131tlar\u0131n\u0131 yeniden oynatarak kurtarma yapar.<\/p>\n<p>Modern veritaban\u0131 motorlar\u0131 bu kurtarmay\u0131 \u00e7o\u011fu zaman ba\u015far\u0131r, ama &#8220;\u00e7o\u011fu zaman&#8221; bir yedek stratejisi i\u00e7in yeterli de\u011fildir. Veri dosyalar\u0131 ile g\u00fcnl\u00fck dosyalar\u0131 farkl\u0131 disklerdeyse ya da uygulama birden fazla veritaban\u0131n\u0131 birlikte kullan\u0131yorsa, snapshot an\u0131ndaki tutarl\u0131l\u0131k daha da belirsizle\u015fir. Veritaban\u0131 i\u00e7in g\u00fcvenilir yol, veritaban\u0131n\u0131n kendi d\u00f6k\u00fcm arac\u0131yla al\u0131nan mant\u0131ksal yedektir; snapshot al\u0131nacaksa \u00f6ncesinde yazmalar\u0131 dondurmak ya da servisi k\u0131sa s\u00fcre durdurmak gerekir.<\/p>\n<div class=\"warn-box\">\n<p class=\"label\">Dikkat<\/p>\n<p>Snapshot&#8217;tan geri d\u00f6nd\u00fc\u011f\u00fcn\u00fczde snapshot an\u0131ndan sonra gelen her \u015fey kaybolur: yeni sipari\u015fler, gelen e-postalar, y\u00fcklenen dosyalar. Canl\u0131 bir sitede geri d\u00f6n\u00fc\u015f karar\u0131 vermeden \u00f6nce bu aradaki veriyi ayr\u0131ca d\u0131\u015fa aktar\u0131n.<\/p>\n<\/div>\n<h2>Snapshot, Tam, Art\u0131ml\u0131 ve Uzak Yedek Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/h2>\n<p>D\u00f6rt y\u00f6ntem birbirinin rakibi de\u011fildir; her biri farkl\u0131 bir kayb\u0131 kar\u015f\u0131lar. Tablo, hangisinin neye kar\u015f\u0131 korudu\u011funu ve neye kar\u015f\u0131 korumad\u0131\u011f\u0131n\u0131 yan yana g\u00f6sterir.<\/p>\n<table>\n<thead>\n<tr>\n<th>Y\u00f6ntem<\/th>\n<th>Ne al\u0131r<\/th>\n<th>Nerede durur<\/th>\n<th>Korur<\/th>\n<th>Korumaz<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Snapshot<\/td>\n<td>Diskin anl\u0131k durumu, fark kayd\u0131 olarak<\/td>\n<td>As\u0131l diskle ayn\u0131 depolama<\/td>\n<td>Hatal\u0131 g\u00fcncelleme, yanl\u0131\u015f yap\u0131land\u0131rma<\/td>\n<td>Donan\u0131m ar\u0131zas\u0131, sunucunun silinmesi, ge\u00e7 fark edilen bozulma<\/td>\n<\/tr>\n<tr>\n<td>Tam yedek<\/td>\n<td>Dosyalar\u0131n ve veritaban\u0131n\u0131n ba\u011f\u0131ms\u0131z kopyas\u0131<\/td>\n<td>Se\u00e7ti\u011finiz hedef<\/td>\n<td>Veri kayb\u0131, ge\u00e7 fark edilen bozulma<\/td>\n<td>Hedef ayn\u0131 sunucudaysa donan\u0131m ar\u0131zas\u0131<\/td>\n<\/tr>\n<tr>\n<td>Art\u0131ml\u0131 yedek<\/td>\n<td>Son yedekten bu yana de\u011fi\u015fenler<\/td>\n<td>Se\u00e7ti\u011finiz hedef<\/td>\n<td>S\u0131k yedek al\u0131rken yer ve s\u00fcre tasarrufu<\/td>\n<td>Zincirde tek halka bozulursa sonraki noktalar<\/td>\n<\/tr>\n<tr>\n<td>Uzak yedek<\/td>\n<td>Tam ya da art\u0131ml\u0131 kopyan\u0131n sunucu d\u0131\u015f\u0131 h\u00e2li<\/td>\n<td>Farkl\u0131 sunucu ya da depolama<\/td>\n<td>Donan\u0131m ar\u0131zas\u0131, hesap ele ge\u00e7irilmesi, sunucu kayb\u0131<\/td>\n<td>Geri y\u00fckleme testi yap\u0131lmam\u0131\u015fsa hi\u00e7bir \u015feyi garanti etmez<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure class=\"nh-sema\"><img loading=\"lazy\" src=\"https:\/\/narhost.com\/blog\/wp-content\/uploads\/2026\/09\/snapshot-yedek-yerine-gecer-mi-sema-narhost.webp\" alt=\"snapshot yedek fark\u0131n\u0131 ve g\u00fcncelleme \u00f6ncesi snapshot ile sunucu d\u0131\u015f\u0131 yede\u011fin g\u00f6revlerini g\u00f6steren karar \u015femas\u0131\" width=\"1200\" height=\"500\" loading=\"lazy\" decoding=\"async\"><figcaption>Snapshot h\u0131zl\u0131 geri d\u00f6n\u00fc\u015f noktas\u0131d\u0131r; sunucu kayb\u0131na kar\u015f\u0131 koruyan, sunucu d\u0131\u015f\u0131nda tutulan yedektir.<\/figcaption><\/figure>\n<h2>Ne Zaman Snapshot, Ne Zaman Dosya ve Veritaban\u0131 Yede\u011fi<\/h2>\n<p>Snapshot&#8217;\u0131n parlad\u0131\u011f\u0131 an, riskli ve geri al\u0131nmas\u0131 zor bir i\u015flemin hemen \u00f6ncesidir: i\u015fletim sistemi s\u00fcr\u00fcm y\u00fckseltmesi, \u00e7ekirdek g\u00fcncellemesi, web sunucusu ya da PHP s\u00fcr\u00fcm de\u011fi\u015fikli\u011fi, bir panelin kurulumu. \u0130\u015flem ters giderse dakikalar i\u00e7inde \u00f6nceki duruma d\u00f6nersiniz; i\u015flem ba\u015far\u0131l\u0131ysa snapshot&#8217;\u0131 birka\u00e7 g\u00fcn i\u00e7inde silersiniz. Bu kullan\u0131mda snapshot yede\u011fi tamamlar, yerini almaz.<\/p>\n<p>Dosya ve veritaban\u0131 yede\u011fi ise takvime ba\u011fl\u0131, sunucu d\u0131\u015f\u0131na ta\u015f\u0131nan ve g\u00fcnlerce, haftalarca saklanan kopyad\u0131r. Sunucu tamamen kayboldu\u011funda sizi kurtaracak olan budur. Snapshot yede\u011fi ile dosya yede\u011fini ayn\u0131 plan i\u00e7inde ama farkl\u0131 g\u00f6revlerle kullanmak en sa\u011flam d\u00fczeni verir. Rsync ile dosya yede\u011fi ve snapshot alma ad\u0131mlar\u0131 <a href=\"https:\/\/narhost.com\/destek\/vpste-rsync-snapshot-yedekleme\/\" title=\"VPS&#039;te rsync veya snapshot ile yedek alma \u2014 Narhost Destek Merkezi\">VPS&#8217;te rsync veya snapshot ile yedek alma<\/a> kart\u0131nda anlat\u0131l\u0131yor.<\/p>\n<h2>3-2-1 Kural\u0131nda Snapshot Yede\u011fin Yeri<\/h2>\n<p>3-2-1 kural\u0131 \u00fc\u00e7 kopya, iki farkl\u0131 ortam ve en az bir kopyan\u0131n ba\u015fka bir konumda tutulmas\u0131n\u0131 ister. Snapshot yedek bu hesapta en fazla as\u0131l verinin yan\u0131ndaki h\u0131zl\u0131 geri d\u00f6n\u00fc\u015f noktas\u0131 say\u0131l\u0131r; &#8220;ba\u015fka ortam&#8221; ya da &#8220;ba\u015fka konum&#8221; \u015fart\u0131n\u0131 kar\u015f\u0131lamaz. Kural\u0131n VPS&#8217;te nas\u0131l kurulaca\u011f\u0131n\u0131 <a href=\"https:\/\/narhost.com\/blog\/vps-yedekleme-paylasimli-hosting-farki\/\" title=\"VPS ve Payla\u015f\u0131ml\u0131 Hostingde Yedekleme Nas\u0131l Farkl\u0131la\u015f\u0131r \u2014 Narhost Blog\">VPS ve payla\u015f\u0131ml\u0131 hostingde yedekleme fark\u0131<\/a> yaz\u0131s\u0131nda, yede\u011fin elle mi otomatik mi al\u0131naca\u011f\u0131n\u0131 ise <a href=\"https:\/\/narhost.com\/blog\/otomatik-mi-manuel-yedekleme-mi\/\" title=\"Otomatik mi Manuel mi Yedekleme \u2014 Narhost Blog\">otomatik mi manuel yedekleme mi<\/a> yaz\u0131s\u0131nda bulabilirsiniz.<\/p>\n<h2>VPS&#8217;te Yedek Sorumlulu\u011fu Kimde<\/h2>\n<p>Y\u00f6netimsiz bir VPS&#8217;te sa\u011flay\u0131c\u0131 altyap\u0131y\u0131 ve a\u011f\u0131 sa\u011flar; sunucunun i\u00e7indeki veri, yedek d\u00fczeni ve geri y\u00fckleme testi sunucu sahibine aittir. Panelde snapshot \u00f6zelli\u011fi bulunsa bile bunun hangi depolamada tutuldu\u011funu, ka\u00e7 tane saklanabildi\u011fini ve sunucu silinince ne oldu\u011funu sa\u011flay\u0131c\u0131ya sormak gerekir. Bu cevaplar, snapshot&#8217;a ne kadar g\u00fcvenebilece\u011finizi belirler. Sunucu kayb\u0131n\u0131 kar\u015f\u0131layacak kopya ise her durumda sizin kuraca\u011f\u0131n\u0131z uzak yedektir.<\/p>\n<p>Bu sorumluluk VPS, VDS ve bulut sunucuda ayn\u0131d\u0131r; \u00fc\u00e7 \u00fcr\u00fcn aras\u0131ndaki as\u0131l farklar\u0131 <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> rehberinde yan yana kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131yor.<\/p>\n<div class=\"success-box\">\n<p class=\"label\">Sonu\u00e7<\/p>\n<p>Snapshot, g\u00fcncelleme \u00f6ncesi al\u0131nan h\u0131zl\u0131 bir geri d\u00f6n\u00fc\u015f noktas\u0131 olarak \u00e7ok de\u011ferlidir. Sunucu d\u0131\u015f\u0131nda tutulan, veritaban\u0131 d\u00f6k\u00fcm\u00fcn\u00fc i\u00e7eren ve geri y\u00fcklemesi denenmi\u015f bir yede\u011fin yerini tutmaz. \u0130kisini birlikte kullan\u0131n, g\u00f6revlerini kar\u0131\u015ft\u0131rmay\u0131n.<\/p>\n<\/div>\n<h2>Kontrol Listesi<\/h2>\n<ul class=\"kontrol-listesi\">\n<li>Her b\u00fcy\u00fck g\u00fcncelleme ya da yap\u0131land\u0131rma de\u011fi\u015fikli\u011finden hemen \u00f6nce snapshot al\u0131n.<\/li>\n<li>\u0130\u015flem ba\u015far\u0131l\u0131ysa snapshot&#8217;\u0131 birka\u00e7 g\u00fcn i\u00e7inde silin; uzun snapshot zinciri b\u0131rakmay\u0131n.<\/li>\n<li>Veritaban\u0131n\u0131 snapshot&#8217;a de\u011fil, kendi d\u00f6k\u00fcm arac\u0131yla al\u0131nan yede\u011fe emanet edin.<\/li>\n<li>Dosya ve veritaban\u0131 yede\u011fini sunucu d\u0131\u015f\u0131nda, farkl\u0131 bir depolamada tutun.<\/li>\n<li>Yedekleri en az birka\u00e7 hafta geriye gidecek \u015fekilde saklay\u0131n; ge\u00e7 fark edilen bozulmaya kar\u015f\u0131 eski s\u00fcr\u00fcm gerekir.<\/li>\n<li>Geri y\u00fcklemeyi ayda bir ayr\u0131 bir ortamda deneyin.<\/li>\n<li>Sa\u011flay\u0131c\u0131n\u0131za snapshot&#8217;lar\u0131n nerede tutuldu\u011funu ve sunucu silinince ne oldu\u011funu sorun.<\/li>\n<\/ul>\n<div class=\"kb-faq\">\n<h2>S\u0131k\u00e7a sorulan sorular<\/h2>\n<h3>Snapshot yedek almak i\u00e7in yeterli mi?<\/h3>\n<p>Hay\u0131r. Snapshot, as\u0131l diskle ayn\u0131 depolamada tutulan ve ona ba\u011f\u0131ml\u0131 olan bir geri d\u00f6n\u00fc\u015f noktas\u0131d\u0131r. Donan\u0131m ar\u0131zas\u0131, sunucunun silinmesi ya da ge\u00e7 fark edilen veri bozulmas\u0131 gibi durumlarda i\u015fe yaramaz. Sunucu d\u0131\u015f\u0131nda tutulan dosya ve veritaban\u0131 yede\u011fiyle birlikte kullan\u0131lmal\u0131d\u0131r.<\/p>\n<h3>Snapshot ne kadar s\u00fcre saklanmal\u0131?<\/h3>\n<p>Snapshot genelde birka\u00e7 saat ile birka\u00e7 g\u00fcn aras\u0131nda tutulur. Zincir uzad\u0131k\u00e7a disk performans\u0131 d\u00fc\u015fer ve depolama dolar. G\u00fcncelleme sorunsuz tamamland\u0131ysa ve birka\u00e7 g\u00fcn boyunca sorun g\u00f6r\u00fclmediyse snapshot silinebilir; uzun s\u00fcreli saklama i\u015fini yedek \u00fcstlenir.<\/p>\n<h3>Veritaban\u0131 \u00e7al\u0131\u015f\u0131rken snapshot almak g\u00fcvenli mi?<\/h3>\n<p>Al\u0131nan g\u00f6r\u00fcnt\u00fc \u00e7\u00f6kme tutarl\u0131d\u0131r: geri d\u00f6nd\u00fc\u011f\u00fcn\u00fczde veritaban\u0131 kendini kurtarma ad\u0131m\u0131yla a\u00e7ar. \u00c7o\u011fu durumda bu \u00e7al\u0131\u015f\u0131r ama garanti de\u011fildir. G\u00fcvenli yol, snapshot \u00f6ncesinde veritaban\u0131 d\u00f6k\u00fcm\u00fc almak ya da yazmalar\u0131 k\u0131sa s\u00fcreli\u011fine durdurmakt\u0131r.<\/p>\n<h3>Snapshot&#8217;tan geri d\u00f6n\u00fcnce hangi veriler kaybolur?<\/h3>\n<p>Snapshot an\u0131ndan sonra olu\u015fan her \u015fey: yeni kay\u0131tlar, sipari\u015fler, y\u00fcklenen dosyalar, sunucuda tutulan e-postalar. Canl\u0131 bir sistemde geri d\u00f6nmeden \u00f6nce bu aral\u0131ktaki veriyi ayr\u0131ca d\u0131\u015fa aktarman\u0131z gerekir.<\/p>\n<h3>Art\u0131ml\u0131 yedek mi tam yedek mi se\u00e7ilmeli?<\/h3>\n<p>\u0130kisi birlikte kullan\u0131l\u0131r. D\u00fczenli aral\u0131klarla tam yedek al\u0131n\u0131r, arada art\u0131ml\u0131 yedeklerle de\u011fi\u015fiklikler kaydedilir. B\u00f6ylece yer ve s\u00fcre tasarrufu sa\u011flan\u0131r, zincirin bir halkas\u0131 bozulsa bile en yak\u0131n tam yede\u011fe d\u00f6n\u00fclebilir.<\/p>\n<\/div>\n<p>Konuyu bir ad\u0131m ileri ta\u015f\u0131mak isterseniz <a href=\"https:\/\/narhost.com\/blog\/3-2-1-yedekleme-kurali\/\" title=\"3-2-1 Yedekleme Kural\u0131 Nedir, Siteniz \u0130\u00e7in Nas\u0131l Uygulan\u0131r \u2014 Narhost Blog\">3-2-1 yedekleme kural\u0131<\/a> yaz\u0131s\u0131na bakabilirsiniz.<\/p>\n<div class=\"cta-box\">\n<p class=\"label\">Narhost&#8217;ta<\/p>\n<p>Narhost VPS paketlerinde tam root eri\u015fimi, NVMe disk ve taray\u0131c\u0131 \u00fczerinden terminal eri\u015fimi standartt\u0131r; yedekleme d\u00fczeninizi kendi ihtiyac\u0131n\u0131za g\u00f6re kurars\u0131n\u0131z. Sipari\u015f \u00f6ncesi sorular\u0131n\u0131z i\u00e7in 7\/24 destek ekibimize ula\u015fabilirsiniz.<\/p>\n<p><a class=\"cta-btn\" href=\"https:\/\/narhost.com\/vps-sunucu\" title=\"Narhost VPS Sunucu paketleri\">VPS paketlerini incele<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Snapshot yedek yerine ge\u00e7mez: diskin belirli bir andaki durumunu ayn\u0131 depolama \u00fczerinde tutan bir geri d\u00f6n\u00fc\u015f noktas\u0131d\u0131r. Ne zaman snapshot, ne zaman dosya ve veritaban\u0131 yede\u011fi gerekti\u011fi bu yaz\u0131da.<\/p>\n","protected":false},"author":1,"featured_media":2629,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2628","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\/2628","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=2628"}],"version-history":[{"count":2,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/2628\/revisions"}],"predecessor-version":[{"id":2968,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/posts\/2628\/revisions\/2968"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/media\/2629"}],"wp:attachment":[{"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/media?parent=2628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/categories?post=2628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/narhost.com\/blog\/wp-json\/wp\/v2\/tags?post=2628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}