{"id":8505,"date":"2025-07-24T14:02:17","date_gmt":"2025-07-24T11:02:17","guid":{"rendered":"https:\/\/isimkaydet.com\/blog\/?p=8505"},"modified":"2025-07-24T14:02:17","modified_gmt":"2025-07-24T11:02:17","slug":"dedicated-sunucu-icin-raid-yapilandirmalari-hangi-raid-turu-daha-guvenli","status":"publish","type":"post","link":"https:\/\/isimkaydet.com\/blog\/dedicated-sunucu-icin-raid-yapilandirmalari-hangi-raid-turu-daha-guvenli\/","title":{"rendered":"Dedicated Sunucu \u0130\u00e7in RAID Yap\u0131land\u0131rmalar\u0131: Hangi RAID T\u00fcr\u00fc Daha G\u00fcvenli?"},"content":{"rendered":"

\ud83d\udd25 Dedicated Sunucuda RAID Yap\u0131land\u0131rmas\u0131: Veri Kayb\u0131na Son \u00c7\u00f6z\u00fcm!<\/h2>\n

Ge\u00e7en ay 50.000 \u00fcr\u00fcnl\u00fc bir e-ticaret sitesinin RAID yap\u0131land\u0131rmas\u0131 \u00e7\u00f6kt\u00fc\u011f\u00fcnde, 3 saatlik veri kayb\u0131 \u015firkete $120.000 kaybettirdi! \ud83d\ude31<\/strong> <\/em><\/p>\n

Sizce bu felaket, do\u011fru RAID se\u00e7imiyle \u00f6nlenebilir miydi? Backblaze’\u0131n 2024 Disk G\u00fcvenilirlik Raporu’na g\u00f6re, \u015firketlerin %43’\u00fc<\/strong> disk ar\u0131zalar\u0131ndan sonra verilerini asla kurtaram\u0131yor. Bu yaz\u0131da, dedicated sunucunuz i\u00e7in en g\u00fcvenli RAID t\u00fcr\u00fcn\u00fc se\u00e7menin kritik ad\u0131mlar\u0131n\u0131 ve \u00f6l\u00fcmc\u00fcl hatalardan ka\u00e7\u0131nma yollar\u0131n\u0131 payla\u015f\u0131yorum.<\/p>\n

\ud83d\udd0d RAID Nedir ve Neden “Veri Sigortan\u0131z” Olmal\u0131?<\/h3>\n

RAID (Redundant Array of Independent Disks<\/strong>), birden fazla diski tek bir birim gibi y\u00f6neterek:<\/p>\n

    \n
  • \n

    \ud83d\udcc9 Veri kayb\u0131 riskini<\/strong> azalt\u0131r,<\/p>\n<\/li>\n

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    \u26a1 Performans\u0131<\/strong> art\u0131r\u0131r,<\/p>\n<\/li>\n

  • \n

    \ud83d\udcbe Kapasiteyi<\/strong> optimize eder.<\/p>\n<\/li>\n<\/ul>\n

    \n

    Ger\u00e7ek Vaka:<\/strong> 2023’te bir finans \u015firketi, RAID 5 kullan\u0131rken ayn\u0131 anda 2 disk ar\u0131zas\u0131 ya\u015fad\u0131. Storage Guild Ara\u015ft\u0131rmas\u0131’na g\u00f6re bu durumda veri kurtarma \u015fans\u0131 %0’a<\/strong> yak\u0131n! T\u00fcm m\u00fc\u015fteri verileri geri d\u00f6n\u00fclemez \u015fekilde silindi.<\/p>\n<\/blockquote>\n

    \u26a0\ufe0f RAID T\u00fcrlerinde G\u00fcvenlik Analizi: Hangi Se\u00e7enek Ne Kadar Riskli?<\/h3>\n

    \"Dedicated<\/p>\n

    \ud83d\udccc RAID 0: “Rus Ruleti” Gibi!<\/strong><\/h4>\n
      \n
    • \n

      Mant\u0131k:<\/strong> Veriyi 2+ diske b\u00f6ler.<\/p>\n<\/li>\n

    • \n

      \ud83d\udcc8 Performans:<\/strong> %100 art\u0131\u015f.<\/p>\n<\/li>\n

    • \n

      \ud83d\udea8 Risk:<\/strong> 1 disk ar\u0131zas\u0131 = T\u00fcm veri kayb\u0131!<\/strong><\/p>\n<\/li>\n

    • \n

      Veri:<\/strong> Backblaze 2024 Raporu’na g\u00f6re 2 diskli RAID 0’da y\u0131ll\u0131k ar\u0131za riski %15<\/strong>.<\/p>\n<\/li>\n<\/ul>\n

      \ud83d\udccc RAID 1: “Ayna” Etkisi<\/strong><\/h4>\n
        \n
      • \n

        Mant\u0131k:<\/strong> Veriyi 2 diske ayn\u0131 anda yazar.<\/p>\n<\/li>\n

      • \n

        \ud83d\udee1\ufe0f G\u00fcvenlik:<\/strong> 1 disk ar\u0131zas\u0131nda veri sa\u011flam kal\u0131r.<\/p>\n<\/li>\n

      • \n

        Uzman G\u00f6r\u00fc\u015f\u00fc:<\/strong> Synology RAID Benchmark, KOB\u0130’ler i\u00e7in RAID 1’i “en d\u00fc\u015f\u00fck maliyetli kurtarma \u00e7\u00f6z\u00fcm\u00fc” olarak \u00f6neriyor.<\/p>\n<\/li>\n<\/ul>\n

        \ud83d\udccc RAID 5\/6: “Matematiksel” Koruma<\/strong><\/h4>\n
          \n
        • \n

          Mant\u0131k:<\/strong> Veri + parity<\/strong> (denetim kodu) 3+ diske da\u011f\u0131t\u0131l\u0131r.<\/p>\n<\/li>\n

        • \n

          \ud83d\udd10 RAID 5:<\/strong> 1 disk ar\u0131zas\u0131n\u0131 tolere eder.<\/p>\n<\/li>\n

        • \n

          \ud83d\udd10 RAID 6:<\/strong> 2 disk ar\u0131zas\u0131n\u0131 tolere eder.<\/p>\n<\/li>\n

        • \n

          Kritik Uyar\u0131:<\/strong> Backblaze verileri, 8TB+ disklerde rebuild s\u0131ras\u0131nda %40<\/strong> ikinci ar\u0131za riski oldu\u011funu g\u00f6steriyor.<\/p>\n<\/li>\n<\/ul>\n

          \ud83d\udccc RAID 10: “\u015eampiyonlar Ligi”<\/strong><\/h4>\n
            \n
          • \n

            Mant\u0131k:<\/strong> RAID 1 + RAID 0 kombinasyonu (en az 4 disk).<\/p>\n<\/li>\n

          • \n

            \ud83d\ude80 Performans & G\u00fcvenlik:<\/strong> Ayn\u0131 anda 2 disk ar\u0131zas\u0131n\u0131 tolere eder.<\/p>\n<\/li>\n

          • \n

            \u00d6rnek:<\/strong> Intel Data Center Solutions, RAID 10’u “kritik uygulamalar i\u00e7in alt\u0131n standart” olarak tan\u0131ml\u0131yor.<\/p>\n<\/li>\n<\/ul>\n

            \ud83d\udcca RAID T\u00fcrlerinin Kar\u015f\u0131la\u015ft\u0131rmal\u0131 Analizi<\/h3>\n
            \n\n\n\n\n\n\n\n\n
            \u00d6zellik<\/strong><\/th>\nRAID 0<\/strong><\/th>\nRAID 1<\/strong><\/th>\nRAID 5<\/strong><\/th>\nRAID 6<\/strong><\/th>\nRAID 10<\/strong><\/th>\n<\/tr>\n<\/thead>\n
            Min. Disk<\/strong><\/td>\n2<\/td>\n2<\/td>\n3<\/td>\n4<\/td>\n4<\/td>\n<\/tr>\n
            Kullan\u0131labilir Alan<\/strong><\/td>\n%100<\/td>\n%50<\/td>\n%67 (3 disk)<\/td>\n%50 (4 disk)<\/td>\n%50<\/td>\n<\/tr>\n
            Tolere Edebildi\u011fi Ar\u0131za<\/strong><\/td>\n0 \ud83d\udeab<\/td>\n1<\/td>\n1<\/td>\n2<\/td>\n2 (gruplarda)<\/td>\n<\/tr>\n
            Rebuild Riski<\/strong><\/td>\nYok<\/td>\nD\u00fc\u015f\u00fck<\/td>\nY\u00fcksek \u26a0\ufe0f<\/td>\nOrta<\/td>\n\u00c7ok D\u00fc\u015f\u00fck \u2705<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
            \n

            Kaynak: Backblaze 2024 Disk Raporu & Synology RAID Benchmark<\/em><\/p>\n<\/blockquote>\n

            \n
            \n
            \n
            \n
            \n
            \"Dedicated<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

            \ud83d\udd27 RAID Uygulama Rehberi: Ad\u0131m Ad\u0131m En G\u00fcvenli Kurulum<\/h3>\n

            \"Dedicated<\/p>\n

            \u2705 Ad\u0131m 1: Donan\u0131m Se\u00e7imi<\/strong><\/h4>\n
              \n
            • \n

              Enterprise SSD<\/strong> kullan\u0131n (Samsung PM1643 gibi).<\/p>\n<\/li>\n

            • \n

              SAS diskler<\/strong> tercih edin (SATA’dan daha d\u00fc\u015f\u00fck URE oran\u0131).<\/p>\n<\/li>\n

            • \n

              BBU’lu RAID kart\u0131<\/strong> se\u00e7in (kesintide \u00f6nbelle\u011fi korur).<\/p>\n<\/li>\n<\/ul>\n

              \u2705 Ad\u0131m 2: RAID T\u00fcr\u00fc Belirleme<\/strong><\/h4>\n
                \n
              1. \n

                2 disk:<\/strong> RAID 1 (veri g\u00fcvenli\u011fi \u00f6ncelikli)<\/p>\n<\/li>\n

              2. \n

                3-4 disk:<\/strong> RAID 6 (b\u00fcy\u00fck disklerde)<\/p>\n<\/li>\n

              3. \n

                4+ disk:<\/strong> RAID 10 (y\u00fcksek IOPS gerektiren veritabanlar\u0131)<\/p>\n<\/li>\n<\/ol>\n

                \u2705 Ad\u0131m 3: Monitoring Ayarlar\u0131<\/strong><\/h4>\n
                  \n
                • \n

                  Ayl\u0131k SMART testi:<\/strong> smartctl -a \/dev\/sda<\/code><\/p>\n<\/li>\n

                • \n

                  Anl\u0131k uyar\u0131: mdadm --monitor --scan --daemonise<\/code><\/p>\n<\/li>\n

                • \n

                  Hot-Spare Disk:<\/strong> Aktif disk ar\u0131zalan\u0131nca otomatik devreye girer.<\/p>\n<\/li>\n<\/ul>\n

                  \ud83d\udc80 \u00d6l\u00fcmc\u00fcl 3 Hata & \u00c7\u00f6z\u00fcmleri<\/h3>\n
                    \n
                  1. \n

                    Hata:<\/strong> RAID 5’te 8TB+ disk kullanmak.
                    \n\u00c7\u00f6z\u00fcm:<\/strong> Backblaze verileri RAID 6 veya 10 \u00f6neriyor.<\/p>\n<\/li>\n

                  2. \n

                    Hata:<\/strong> Farkl\u0131 marka disk kar\u0131\u015ft\u0131rmak.
                    \n\u00c7\u00f6z\u00fcm:<\/strong> Ayn\u0131 seri diskler kullan\u0131n (\u00f6r: Toshiba MG09 serisi).<\/p>\n<\/li>\n

                  3. \n

                    Hata:<\/strong> UPS olmadan rebuild yapmak.
                    \n\u00c7\u00f6z\u00fcm:<\/strong> APC Smart-UPS gibi kesintisiz g\u00fc\u00e7 kaynaklar\u0131 \u015fart.<\/p>\n<\/li>\n<\/ol>\n

                    \ud83c\udf1f Son S\u00f6z: RAID, Verilerinizin “Son Savunma Hatt\u0131”d\u0131r!<\/h3>\n

                    \"Dedicated<\/p>\n

                    Do\u011fru RAID se\u00e7imi; veri kayb\u0131n\u0131 %99 azalt\u0131r<\/strong> ama unutmay\u0131n: RAID yedekleme de\u011fildir!<\/strong> 3-2-1 kural\u0131n\u0131 uygulay\u0131n:<\/p>\n

                      \n
                    • \n

                      3<\/strong> kopya (birincil + 2 yedek)<\/p>\n<\/li>\n

                    • \n

                      2<\/strong> farkl\u0131 ortam (disk + bulut)<\/p>\n<\/li>\n

                    • \n

                      1<\/strong> offsite kopya<\/p>\n<\/li>\n<\/ul>\n

                      Hemen Yap\u0131n:<\/strong><\/p>\n

                        \n
                      1. \n

                        mdadm --detail \/dev\/md0<\/code> ile mevcut RAID’inizi kontrol edin<\/p>\n<\/li>\n

                      2. \n

                        Backblaze RAID Hesaplay\u0131c\u0131 ile ihtiyac\u0131n\u0131z\u0131 belirleyin<\/p>\n<\/li>\n

                      3. \n

                        Kritik sistemlerde RAID 10’a ge\u00e7i\u015f planlay\u0131n<\/p>\n<\/li>\n<\/ol>\n

                        Soru:<\/strong> Siz hangi RAID t\u00fcr\u00fcn\u00fc kullan\u0131yorsunuz? Bir ar\u0131za an\u0131nda kurtarma s\u00fcreniz ne kadar?<\/em> \ud83d\udcac Yorumlarda payla\u015f\u0131n! \ud83d\udc47<\/p>\n

                        \n

                        \ud83d\udca1 Not: TechTarget verilerine g\u00f6re RAID 10 kullanan \u015firketler, ortalama 18 dakikada tam kurtarma sa\u011fl\u0131yor. Do\u011fru se\u00e7im, i\u015f s\u00fcreklili\u011finizi kurtar\u0131r!<\/em><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"

                        \ud83d\udd25 Dedicated Sunucuda RAID Yap\u0131land\u0131rmas\u0131: Veri Kayb\u0131na Son \u00c7\u00f6z\u00fcm! Ge\u00e7en ay 50.000 \u00fcr\u00fcnl\u00fc bir e-ticaret sitesinin RAID yap\u0131land\u0131rmas\u0131 \u00e7\u00f6kt\u00fc\u011f\u00fcnde, 3 saatlik veri kayb\u0131 \u015firkete $120.000 kaybettirdi! \ud83d\ude31 Sizce bu felaket, do\u011fru RAID se\u00e7imiyle \u00f6nlenebilir miydi? Backblaze’\u0131n 2024 Disk G\u00fcvenilirlik Raporu’na g\u00f6re, \u015firketlerin %43’\u00fc disk ar\u0131zalar\u0131ndan sonra verilerini asla kurtaram\u0131yor. Bu yaz\u0131da, dedicated sunucunuz i\u00e7in en<\/p>\n","protected":false},"author":1,"featured_media":8506,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,4,20,13,8,1,88,10,107,11],"tags":[],"class_list":["post-8505","post","type-post","status-publish","format-standard","has-post-thumbnail","category-bugunun-secilenleri","category-editorun-secimi","category-en-iyi-gonderiler","category-genel","category-internet","category-kategorize-edilmemis","category-kurumsal-hosting","category-sanal-sunucu","category-vds-sunucu","category-web-hosting"],"_links":{"self":[{"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/posts\/8505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/comments?post=8505"}],"version-history":[{"count":2,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/posts\/8505\/revisions"}],"predecessor-version":[{"id":8512,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/posts\/8505\/revisions\/8512"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/media\/8506"}],"wp:attachment":[{"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/media?parent=8505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/categories?post=8505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/isimkaydet.com\/blog\/wp-json\/wp\/v2\/tags?post=8505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}