{"id":811,"date":"2026-09-18T17:20:52","date_gmt":"2026-09-18T17:20:52","guid":{"rendered":"https:\/\/www.vps.tc\/blog\/?p=811"},"modified":"2026-09-18T09:30:44","modified_gmt":"2026-09-18T09:30:44","slug":"veri-merkezi-pdu-nedir-guc-dagitimi-rehberi","status":"publish","type":"post","link":"https:\/\/www.vps.tc\/blog\/tr\/veri-merkezi-pdu-nedir-guc-dagitimi-rehberi\/","title":{"rendered":"Veri Merkezi PDU Nedir? G\u00fc\u00e7 Da\u011f\u0131t\u0131m\u0131 Rehberi"},"content":{"rendered":"<div class=\"aiw-summary\" id=\"aiw-ozet\">\n<p class=\"aiw-summary-title\">H\u0131zl\u0131 \u00d6zet &#8211; Veri Merkezi PDU<\/p>\n<p>PDU, UPS veya elektrik da\u011f\u0131t\u0131m sisteminden gelen g\u00fcc\u00fc rack i\u00e7indeki cihazlara da\u011f\u0131tan birimdir. Do\u011fru se\u00e7im i\u00e7in yaln\u0131zca priz say\u0131s\u0131n\u0131 de\u011fil, kapasiteyi, faz yap\u0131s\u0131n\u0131, yedeklili\u011fi ve y\u00f6netim g\u00fcvenli\u011fini birlikte de\u011ferlendirin.<\/p>\n<ul>\n<li><strong>Temel g\u00f6rev<\/strong> \u2014 PDU, sunucu, switch ve depolama cihazlar\u0131na d\u00fczenli ve kontroll\u00fc g\u00fc\u00e7 da\u011f\u0131t\u0131r.<\/li>\n<li><strong>UPS fark\u0131<\/strong> \u2014 UPS kesintide enerji sa\u011flar; PDU mevcut enerjiyi cihazlara da\u011f\u0131t\u0131r ve geli\u015fmi\u015f modellerde \u00f6l\u00e7\u00fcm yapar.<\/li>\n<li><strong>PDU t\u00fcrleri<\/strong> \u2014 Basic, metered, monitored ve switched modeller farkl\u0131 \u00f6l\u00e7\u00fcm ve uzaktan y\u00f6netim \u00f6zellikleri sunar.<\/li>\n<li><strong>Kapasite hesab\u0131<\/strong> \u2014 Gerilim, ak\u0131m, g\u00fc\u00e7 fakt\u00f6r\u00fc, s\u00fcrekli y\u00fck s\u0131n\u0131r\u0131 ve gelecekteki kapasite ihtiyac\u0131 birlikte hesaplanmal\u0131d\u0131r.<\/li>\n<li><strong>A\/B yedeklili\u011fi<\/strong> \u2014 \u00c7ift PSU&#039;lu cihazlarda kablolar ba\u011f\u0131ms\u0131z PDU, UPS ve m\u00fcmk\u00fcnse ba\u011f\u0131ms\u0131z elektrik yollar\u0131na ba\u011flanmal\u0131d\u0131r.<\/li>\n<li><strong>G\u00fcvenli y\u00f6netim<\/strong> \u2014 Ak\u0131ll\u0131 PDU y\u00f6netim a\u011f\u0131 ayr\u0131lmal\u0131, varsay\u0131lan parolalar de\u011fi\u015ftirilmeli ve SNMP eri\u015fimi s\u0131n\u0131rland\u0131r\u0131lmal\u0131d\u0131r.<\/li>\n<\/ul>\n<\/div>\n<p class=\"aiw-lead\">Veri merkezi PDU, UPS veya da\u011f\u0131t\u0131m panelinden gelen elektri\u011fi rack i\u00e7indeki sunucu, switch ve depolama cihazlar\u0131na da\u011f\u0131tan g\u00fc\u00e7 birimidir. Basic modeller yaln\u0131zca priz sa\u011flar; metered, monitored ve switched modeller ak\u0131m \u00f6l\u00e7\u00fcm\u00fc, alarm ve uzaktan \u00e7\u0131k\u0131\u015f kontrol\u00fc sunar. PDU, UPS de\u011fildir; enerji \u00fcretmez, mevcut g\u00fcc\u00fc d\u00fczenli bi\u00e7imde payla\u015ft\u0131r\u0131r.<\/p>\n<div class=\"aiw-toc\" style=\"border:1px solid #dbe3ea;border-radius:8px;padding:16px 20px;margin:0 0 28px\">\n<p class=\"aiw-toc-head\"><strong>\u0130\u00e7indekiler<\/strong><span class=\"aiw-toc-meta\"> \u00b7 12 dk okuma<\/span><\/p>\n<ol style=\"margin:10px 0 0;padding-left:22px\">\n<li><a href=\"#veri-merkezi-pdu-ne-ise-yarar\">Veri merkezi PDU ne i\u015fe yarar?<\/a><\/li>\n<li><a href=\"#pdu-ile-ups-arasindaki-fark-nedir\">PDU ile UPS aras\u0131ndaki fark nedir?<\/a><\/li>\n<li><a href=\"#rack-pdu-cesitleri-nelerdir\">Rack PDU \u00e7e\u015fitleri nelerdir?<\/a><\/li>\n<li><a href=\"#tek-faz-ve-uc-faz-pdu-nasil-karsilastirilir\">Tek faz ve \u00fc\u00e7 faz PDU nas\u0131l kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r?<\/a><\/li>\n<li><a href=\"#bir-rack-icin-pdu-kapasitesi-nasil-hesaplanir\">Bir rack i\u00e7in PDU kapasitesi nas\u0131l hesaplan\u0131r?<\/a><\/li>\n<li><a href=\"#a-ve-b-beslemesi-nasil-tasarlanir\">A ve B beslemesi nas\u0131l tasarlan\u0131r?<\/a><\/li>\n<li><a href=\"#pdu-yonetim-agi-nasil-guvenli-kurulur\">PDU y\u00f6netim a\u011f\u0131 nas\u0131l g\u00fcvenli kurulur?<\/a><\/li>\n<li><a href=\"#priz-tipi-kablolama-ve-fiziksel-yerlesim\">Priz tipi, kablolama ve fiziksel yerle\u015fim<\/a><\/li>\n<li><a href=\"#pdu-izleme-ve-bakiminda-hangi-kontroller-yapilir\">PDU izleme ve bak\u0131m\u0131nda hangi kontroller yap\u0131l\u0131r?<\/a><\/li>\n<li><a href=\"#veri-merkezi-pdu-secerken-hangi-hatalardan-kacinilir\">Veri merkezi PDU se\u00e7erken hangi hatalardan ka\u00e7\u0131n\u0131l\u0131r?<\/a><\/li>\n<li><a href=\"#pdu-kurulumundan-once-sunlari-kontrol-edin\">PDU Kurulumundan \u00d6nce \u015eunlar\u0131 Kontrol Edin<\/a><\/li>\n<li><a href=\"#sik-sorulan-sorular\">S\u0131k Sorulan Sorular<\/a><\/li>\n<\/ol>\n<\/div>\n<h2 id=\"veri-merkezi-pdu-ne-ise-yarar\">Veri merkezi PDU ne i\u015fe yarar?<\/h2>\n<p>Veri merkezinde elektrik, sunucuya ula\u015ft\u0131r\u0131l\u0131p unutulacak bir kaynak de\u011fildir. G\u00fcc\u00fcn \u00f6l\u00e7\u00fclmesi, dengelenmesi, yedeklenmesi ve gerekti\u011finde uzaktan y\u00f6netilmesi gerekir. PDU, yani Power Distribution Unit, UPS veya jenerat\u00f6r gibi \u00fcst seviye g\u00fc\u00e7 kaynaklar\u0131ndan gelen elektri\u011fi rack i\u00e7indeki sunucu, switch, depolama ve di\u011fer cihazlara da\u011f\u0131tan ekipmand\u0131r.<\/p>\n<p>PDU \u00e7o\u011funlukla rack kabininin dikey ya da yatay b\u00f6l\u00fcm\u00fcne monte edilir. Basit modeller yaln\u0131zca priz da\u011f\u0131t\u0131m\u0131 yapar. Daha geli\u015fmi\u015f modeller ak\u0131m, gerilim, aktif g\u00fc\u00e7 ve enerji t\u00fcketimini izler; baz\u0131lar\u0131 tek tek \u00e7\u0131k\u0131\u015flar\u0131 uzaktan kapat\u0131p a\u00e7abilir. K\u0131sa tan\u0131m\u0131yla PDU, rack i\u00e7indeki cihazlara kontroll\u00fc elektrik da\u011f\u0131tan birimdir.<\/p>\n<p>PDU, UPS&#8217;in yerine ge\u00e7mez. UPS elektrik kesintisinde s\u0131n\u0131rl\u0131 s\u00fcre enerji sa\u011flar; PDU ise mevcut enerjiyi rack i\u00e7indeki cihazlara da\u011f\u0131t\u0131r. G\u00f6revleri farkl\u0131d\u0131r.<\/p>\n<h2 id=\"pdu-ile-ups-arasindaki-fark-nedir\">PDU ile UPS aras\u0131ndaki fark nedir?<\/h2>\n<p>UPS, giri\u015f elektri\u011fi kesildi\u011finde ak\u00fc veya ba\u015fka bir enerji depolama sistemi \u00fczerinden \u00e7\u0131k\u0131\u015f sa\u011flamaya odaklan\u0131r. PDU&#8217;nun temel g\u00f6revi ise bu \u00e7\u0131k\u0131\u015f\u0131 \u00e7ok say\u0131da cihaza da\u011f\u0131tmak, geli\u015fmi\u015f modellerde \u00f6l\u00e7mek ve uzaktan y\u00f6netmektir. Bir rack&#8217;te UPS bulunup PDU bulunmayabilir; \u00e7ok say\u0131da cihaz\u0131 d\u00fczenli ve g\u00fcvenli bi\u00e7imde beslemek yine de zorla\u015f\u0131r.<\/p>\n<table>\n<thead>\n<tr>\n<th>Ekipman<\/th>\n<th>Temel g\u00f6rev<\/th>\n<th>\u0130zledi\u011fi veya y\u00f6netti\u011fi konu<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>UPS<\/td>\n<td>Kesintide enerji sa\u011flamak<\/td>\n<td>Ak\u00fc, y\u00fck, giri\u015f ve \u00e7\u0131k\u0131\u015f durumu<\/td>\n<\/tr>\n<tr>\n<td>PDU<\/td>\n<td>Enerjiyi rack cihazlar\u0131na da\u011f\u0131tmak<\/td>\n<td>\u00c7\u0131k\u0131\u015flar, ak\u0131m, gerilim ve g\u00fc\u00e7<\/td>\n<\/tr>\n<tr>\n<td>ATS<\/td>\n<td>\u0130ki g\u00fc\u00e7 kayna\u011f\u0131 aras\u0131nda ge\u00e7i\u015f yapmak<\/td>\n<td>Kaynak uygunlu\u011fu ve transfer<\/td>\n<\/tr>\n<tr>\n<td>RPP<\/td>\n<td>Birden fazla rack&#8217;e panel \u00fczerinden da\u011f\u0131t\u0131m yapmak<\/td>\n<td>Devre ve panel y\u00fck\u00fc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Rack i\u00e7indeki g\u00fc\u00e7 zinciri \u00e7o\u011fu kurulumda \u015fu s\u0131ray\u0131 izler: \u015febeke veya jenerat\u00f6r, UPS, da\u011f\u0131t\u0131m paneli, PDU ve cihaz g\u00fc\u00e7 kayna\u011f\u0131. B\u00fcy\u00fck tesislerde bu yap\u0131, \u00e7ift elektrik yolu ve farkl\u0131 UPS gruplar\u0131yla geni\u015fletilir. Her cihaz\u0131n iki g\u00fc\u00e7 kayna\u011f\u0131 varsa A ve B beslemelerinin ayn\u0131 PDU&#8217;ya ba\u011flanmas\u0131 yedeklilik sa\u011flamaz; iki yolun ger\u00e7ekten ba\u011f\u0131ms\u0131z olmas\u0131 gerekir.<\/p>\n<p><strong>G\u00fc\u00e7 yolunu \u00e7izin<\/strong> &#8211; \u015eebekeden sunucu g\u00fc\u00e7 kayna\u011f\u0131na kadar UPS, panel, PDU ve kablo ba\u011flant\u0131lar\u0131n\u0131 tek bir \u015fema \u00fczerinde g\u00f6sterin.<\/p>\n<h2 id=\"rack-pdu-cesitleri-nelerdir\">Rack PDU \u00e7e\u015fitleri nelerdir?<\/h2>\n<p>PDU se\u00e7imi yaln\u0131zca priz say\u0131s\u0131na g\u00f6re yap\u0131lmaz. Kullan\u0131m amac\u0131, faz yap\u0131s\u0131, giri\u015f ba\u011flant\u0131s\u0131, \u00e7\u0131k\u0131\u015f tipi, toplam kapasite ve izleme ihtiyac\u0131 birlikte de\u011ferlendirilir.<\/p>\n<h3>Basic PDU<\/h3>\n<p>Basic PDU, en sade modeldir. \u00c7\u0131k\u0131\u015flara enerji verir; genellikle a\u011f ba\u011flant\u0131s\u0131, ak\u0131m \u00f6l\u00e7\u00fcm\u00fc veya uzaktan a\u00e7ma-kapama \u00f6zelli\u011fi bulunmaz. K\u00fc\u00e7\u00fck rack&#8217;lerde ve y\u00fck davran\u0131\u015f\u0131 \u00f6nceden bilinen kurulumlarda kullan\u0131labilir.<\/p>\n<p>Basit yap\u0131 ar\u0131za ve y\u00f6netim maliyetini azaltabilir. Rack&#8217;in toplam y\u00fck\u00fcn\u00fc panelden veya UPS ekran\u0131ndan takip etmek gerekir. Bir sunucunun hangi \u00e7\u0131k\u0131\u015fta oldu\u011funu uzaktan do\u011frulamak m\u00fcmk\u00fcn de\u011fildir.<\/p>\n<h3>Metered PDU<\/h3>\n<p>Metered modeller toplam ak\u0131m, gerilim, aktif g\u00fc\u00e7 ve bazen enerji t\u00fcketimini g\u00f6sterir. Ekran \u00fczerinden okuma yapan modellerde a\u011f y\u00f6netimi bulunmayabilir. \u00d6l\u00e7\u00fcm, kapasite planlamas\u0131 ve dengesiz y\u00fckleri fark etmek i\u00e7in kullan\u0131l\u0131r.<\/p>\n<p>Enerji t\u00fcketimi i\u00e7in kullan\u0131lan birim genellikle kWh&#8217;dir. Anl\u0131k y\u00fck ise W veya kW ile ifade edilir. 230 V ve 10 A ile \u00e7al\u0131\u015fan ideal tek fazl\u0131 y\u00fck\u00fcn g\u00f6r\u00fcn\u00fcr g\u00fcc\u00fc yakla\u015f\u0131k 2,3 kVA&#8217;d\u0131r; ger\u00e7ek aktif g\u00fc\u00e7, g\u00fc\u00e7 fakt\u00f6r\u00fcne ba\u011fl\u0131 olarak bundan d\u00fc\u015f\u00fck olabilir.<\/p>\n<h3>Monitored PDU<\/h3>\n<p>Monitored PDU, sens\u00f6r verilerini a\u011f \u00fczerinden sunar. SNMP, HTTPS veya \u00fcreticiye \u00f6zg\u00fc protokoller \u00fczerinden izleme sistemine ba\u011flanabilir. Ak\u0131m s\u0131n\u0131r\u0131na yakla\u015fan rack i\u00e7in alarm \u00fcretmek, kapasite planlamas\u0131n\u0131 erkenden yapmak ve ortam sens\u00f6rlerini merkezi sistemde g\u00f6rmek m\u00fcmk\u00fcn olur.<\/p>\n<p>SNMP kullan\u0131l\u0131yorsa topluluk dizeleri yerine m\u00fcmk\u00fcn oldu\u011funda SNMPv3 tercih edilmelidir. Y\u00f6netim aray\u00fcz\u00fc \u00fcretim a\u011f\u0131na do\u011frudan a\u00e7\u0131lmamal\u0131; ayr\u0131 bir y\u00f6netim VLAN&#8217;\u0131, eri\u015fim listesi ve \u00e7ok fakt\u00f6rl\u00fc eri\u015fim gibi kontroller uygulanmal\u0131d\u0131r.<\/p>\n<h3>Switched PDU<\/h3>\n<p>Switched PDU, \u00e7\u0131k\u0131\u015flar\u0131 ayr\u0131 ayr\u0131 uzaktan a\u00e7\u0131p kapatabilir. Yan\u0131t vermeyen bir cihaz\u0131n g\u00fc\u00e7 d\u00f6ng\u00fcs\u00fcn\u00fc yapmak i\u00e7in kullan\u0131\u015fl\u0131d\u0131r; fakat bu \u00f6zellik dikkat ister. Yanl\u0131\u015f \u00e7\u0131k\u0131\u015f\u0131 kapatmak, ayn\u0131 PDU&#8217;ya ba\u011fl\u0131 birden fazla sistemi birlikte durdurmak veya depolama yazma i\u015flemi s\u00fcrerken enerji kesmek ciddi sonu\u00e7lara yol a\u00e7abilir.<\/p>\n<p>\u00c7\u0131k\u0131\u015f kontrol\u00fc, i\u015fletim sistemi \u00fczerinden yap\u0131lan d\u00fczenli kapatman\u0131n yerini tutmaz. \u00d6nce servisleri durdurmak, ard\u0131ndan cihaz\u0131n g\u00fc\u00e7 durumunu do\u011frulamak gerekir.<\/p>\n<p><strong>Modeli etiketleyin<\/strong> &#8211; Basic, metered, monitored ve switched \u00f6zelliklerini sat\u0131n alma formunda a\u00e7\u0131k\u00e7a ay\u0131r\u0131n; &#8220;ak\u0131ll\u0131 PDU&#8221; ifadesini tek ba\u015f\u0131na teknik \u00f6zellik kabul etmeyin.<\/p>\n<h2 id=\"tek-faz-ve-uc-faz-pdu-nasil-karsilastirilir\">Tek faz ve \u00fc\u00e7 faz PDU nas\u0131l kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r?<\/h2>\n<p>Tek faz PDU&#8217;lar k\u00fc\u00e7\u00fck ve orta \u00f6l\u00e7ekli rack&#8217;lerde s\u0131k kullan\u0131l\u0131r. \u00dc\u00e7 faz PDU&#8217;lar daha y\u00fcksek g\u00fc\u00e7 yo\u011funlu\u011fu ve daha iyi kablo verimlili\u011fi sunabilir. \u00dc\u00e7 faz ba\u011flant\u0131, faz dengesini ve tesis altyap\u0131s\u0131n\u0131 bilen yetkili elektrik\u00e7iler taraf\u0131ndan projelendirilmelidir.<\/p>\n<p>Bir PDU&#8217;nun kapasitesini hesaplarken yaln\u0131zca priz say\u0131s\u0131n\u0131 toplamak yeterli de\u011fildir. Giri\u015f konnekt\u00f6r\u00fc, devre kesici, gerilim, faz yap\u0131s\u0131 ve \u00fcreticinin s\u00fcrekli y\u00fck s\u0131n\u0131r\u0131 kontrol edilmelidir. S\u00fcrekli y\u00fckte devreyi teorik \u00fcst s\u0131n\u0131ra kadar doldurmak yerine yerel elektrik kurallar\u0131 ve \u00fcretici talimatlar\u0131 izlenmelidir.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u00d6zellik<\/th>\n<th>Tek faz<\/th>\n<th>\u00dc\u00e7 faz<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kurulum<\/td>\n<td>Daha basit<\/td>\n<td>Daha karma\u015f\u0131k<\/td>\n<\/tr>\n<tr>\n<td>G\u00fc\u00e7 yo\u011funlu\u011fu<\/td>\n<td>D\u00fc\u015f\u00fck veya orta<\/td>\n<td>Orta veya y\u00fcksek<\/td>\n<\/tr>\n<tr>\n<td>Y\u00fck dengesi<\/td>\n<td>Tek devre \u00fczerinden takip edilir<\/td>\n<td>Fazlar aras\u0131nda dengelenir<\/td>\n<\/tr>\n<tr>\n<td>Bak\u0131m ihtiyac\u0131<\/td>\n<td>G\u00f6rece kolay<\/td>\n<td>Faz, n\u00f6tr ve koruma ba\u011flant\u0131lar\u0131 ayr\u0131ca izlenir<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00dc\u00e7 faz bir PDU&#8217;nun her \u00e7\u0131k\u0131\u015f\u0131 ayn\u0131 faz\u0131 kullanmayabilir. Sunucular\u0131n g\u00fc\u00e7 kaynaklar\u0131 farkl\u0131 fazlara da\u011f\u0131t\u0131l\u0131rken toplam y\u00fck kadar faz ba\u015f\u0131na y\u00fck de incelenmelidir. Aksi durumda toplam kapasite kullan\u0131lm\u0131yor g\u00f6r\u00fcnse bile tek bir faz a\u015f\u0131r\u0131 y\u00fcklenebilir.<\/p>\n<h2 id=\"bir-rack-icin-pdu-kapasitesi-nasil-hesaplanir\">Bir rack i\u00e7in PDU kapasitesi nas\u0131l hesaplan\u0131r?<\/h2>\n<p>\u0130lk ad\u0131m, cihazlar\u0131n nominal etiket de\u011ferlerini de\u011fil \u00f6l\u00e7\u00fclm\u00fc\u015f veya g\u00fcvenilir bi\u00e7imde tahmin edilmi\u015f \u00e7al\u0131\u015fma t\u00fcketimini toplamakt\u0131r. Sunucu g\u00fc\u00e7 kayna\u011f\u0131ndaki &#8220;800 W&#8221; ifadesi, sunucunun her an 800 W t\u00fcketti\u011fi anlam\u0131na gelmez; bu de\u011fer g\u00fc\u00e7 kayna\u011f\u0131n\u0131n kapasitesi olabilir.<\/p>\n<p>Basit tek faz hesab\u0131nda g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 yakla\u015f\u0131k olarak \u015f\u00f6yle hesaplanabilir:<\/p>\n<pre><code>S (VA) = V (volt) \u00d7 I (amper)\nP (W) = V \u00d7 I \u00d7 PF<\/code><\/pre>\n<p>Buradaki <code>PF<\/code>, g\u00fc\u00e7 fakt\u00f6r\u00fcd\u00fcr. \u00d6rne\u011fin 230 V, 16 A ve 0,9 g\u00fc\u00e7 fakt\u00f6r\u00fc i\u00e7in teorik g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 3.680 VA, yakla\u015f\u0131k aktif g\u00fc\u00e7 ise 3.312 W olur. Bu de\u011fer, PDU&#8217;nun veya devrenin s\u00fcrekli olarak 3.680 VA ile doldurulabilece\u011fi anlam\u0131na gelmez; \u00fcretici dok\u00fcman\u0131, devre korumas\u0131 ve yerel kurallar belirleyicidir.<\/p>\n<p>Planlamaya \u015fu de\u011ferleri ekleyin:<\/p>\n<ul>\n<li>Sunucu, switch ve depolama cihazlar\u0131n\u0131n ger\u00e7ek \u00e7al\u0131\u015fma t\u00fcketimi.<\/li>\n<li>Ba\u015flang\u0131\u00e7 veya disk yo\u011fun i\u015flem s\u0131ras\u0131nda olu\u015fabilecek k\u0131sa s\u00fcreli y\u00fck art\u0131\u015f\u0131.<\/li>\n<li>\u0130ki g\u00fc\u00e7 kayna\u011f\u0131 olan cihazlarda A ve B yollar\u0131n\u0131n nas\u0131l da\u011f\u0131t\u0131laca\u011f\u0131.<\/li>\n<li>Yeni cihazlar i\u00e7in b\u0131rak\u0131lacak kapasite pay\u0131.<\/li>\n<li>PDU, UPS, priz ve kablo konnekt\u00f6rlerinin ak\u0131m s\u0131n\u0131rlar\u0131.<\/li>\n<\/ul>\n<p>\u00d6l\u00e7\u00fcm verisi yoksa en k\u00f6t\u00fc senaryoyu yaz\u0131l\u0131 olarak belirtin ve ilk kurulumdan sonra ger\u00e7ek t\u00fcketimi do\u011frulay\u0131n. Bir rack&#8217;in tek bir PDU \u00fczerinde \u00e7al\u0131\u015fmas\u0131, kapasite hesab\u0131 do\u011fru olsa bile yedekli g\u00fc\u00e7 anlam\u0131na gelmez.<\/p>\n<p><strong>Y\u00fck\u00fc \u00f6l\u00e7\u00fcn<\/strong> &#8211; Tahmini watt de\u011ferlerini kurulum sonras\u0131nda PDU veya UPS \u00f6l\u00e7\u00fcmleriyle kar\u015f\u0131la\u015ft\u0131r\u0131n ve kapasite tablosunu g\u00fcncelleyin.<\/p>\n<div class=\"aiw-callout aiw-callout-tip\">\n<p class=\"aiw-callout-label\">\u0130pucu<\/p>\n<p>Rack&#039;e yeni cihaz eklemeden \u00f6nce PDU&#039;nun toplam ak\u0131m\u0131n\u0131, faz ba\u015f\u0131na y\u00fck\u00fcn\u00fc ve bo\u015f kapasitesini kaydedin. \u00d6l\u00e7\u00fcm ekran\u0131 olmayan modellerde de\u011ferleri UPS veya pano \u00fczerinden do\u011frulay\u0131n.<\/p>\n<\/div>\n<h2 id=\"a-ve-b-beslemesi-nasil-tasarlanir\">A ve B beslemesi nas\u0131l tasarlan\u0131r?<\/h2>\n<p>Yedekli g\u00fc\u00e7 mimarisinde ama\u00e7, tek bir kabloya, PDU&#8217;ya, UPS&#8217;e veya elektrik yoluna ba\u011fl\u0131 kalmamakt\u0131r. \u00c7ift g\u00fc\u00e7 kayna\u011f\u0131 bulunan bir sunucunun bir kablosu A PDU&#8217;ya, di\u011feri B PDU&#8217;ya ba\u011flan\u0131r. A ve B PDU&#8217;lar\u0131 da m\u00fcmk\u00fcnse farkl\u0131 UPS, da\u011f\u0131t\u0131m paneli ve jenerat\u00f6r yollar\u0131ndan beslenir.<\/p>\n<p>Buradaki &#8220;m\u00fcmk\u00fcnse&#8221; s\u00f6zc\u00fc\u011f\u00fc \u00f6nemlidir. \u0130ki PDU farkl\u0131 g\u00f6r\u00fcnse bile ayn\u0131 duvar prizine veya ayn\u0131 devre kesiciye ba\u011fl\u0131ysa ortak ar\u0131za noktas\u0131 h\u00e2l\u00e2 vard\u0131r. Fiziksel etiketleme, kablo renkleri ve rack \u015femas\u0131 bu y\u00fczden operasyonun par\u00e7as\u0131d\u0131r.<\/p>\n<p>Tek g\u00fc\u00e7 kayna\u011f\u0131 olan cihazlar i\u00e7in ATS kullan\u0131labilir. ATS, iki giri\u015ften uygun olan\u0131 se\u00e7erek tek beslemeli cihaza iletir. Ancak ATS de ar\u0131zalanabilir ve her cihaz\u0131n a\u00e7\u0131l\u0131\u015f ak\u0131m\u0131n\u0131 desteklemeyebilir. \u00dcr\u00fcn\u00fcn transfer s\u00fcresi, giri\u015f aral\u0131\u011f\u0131, nominal ak\u0131m\u0131 ve k\u0131sa devre korumas\u0131 incelenmelidir.<\/p>\n<p>\u0130ki PSU&#8217;lu bir sunucuda g\u00fc\u00e7 payla\u015f\u0131m modu da kontrol edilmelidir. Baz\u0131 g\u00fc\u00e7 kaynaklar\u0131 y\u00fck\u00fc dengeli payla\u015f\u0131r, baz\u0131lar\u0131 ise biri ar\u0131zalanana kadar d\u00fc\u015f\u00fck y\u00fckte kal\u0131r. A ve B hatt\u0131ndaki PDU \u00f6l\u00e7\u00fcmleri beklenen da\u011f\u0131l\u0131mla uyu\u015fmuyorsa kablo ba\u011flant\u0131s\u0131 ve BIOS\/firmware ayarlar\u0131 incelenmelidir.<\/p>\n<p><strong>Yedeklili\u011fi test edin<\/strong> &#8211; Planl\u0131 bak\u0131m s\u0131ras\u0131nda tek tek A ve B g\u00fc\u00e7 yollar\u0131n\u0131 devreden \u00e7\u0131kararak sunucular\u0131n \u00e7al\u0131\u015fmaya devam etti\u011fini do\u011frulay\u0131n.<\/p>\n<div class=\"aiw-callout aiw-callout-warn\">\n<p class=\"aiw-callout-label\">Dikkat<\/p>\n<p>\u0130ki g\u00fc\u00e7 kablosunu ayn\u0131 PDU&#039;ya ba\u011flamak A\/B yedeklili\u011fi olu\u015fturmaz. PDU&#039;lar ayn\u0131 UPS&#039;e veya ayn\u0131 devre kesiciye ba\u011fl\u0131ysa ortak ar\u0131za noktas\u0131 devam eder.<\/p>\n<\/div>\n<h2 id=\"pdu-yonetim-agi-nasil-guvenli-kurulur\">PDU y\u00f6netim a\u011f\u0131 nas\u0131l g\u00fcvenli kurulur?<\/h2>\n<p>Ak\u0131ll\u0131 PDU, k\u00fc\u00e7\u00fck bir a\u011f cihaz\u0131 gibi ele al\u0131nmal\u0131d\u0131r. \u0130lk kurulumda varsay\u0131lan parolay\u0131 de\u011fi\u015ftirin, y\u00f6netim IP&#8217;sini ayr\u0131 bir VLAN&#8217;a ta\u015f\u0131y\u0131n ve yaln\u0131zca gerekli y\u00f6netim istasyonlar\u0131na eri\u015fim verin. \u0130nternet \u00fczerinden do\u011frudan PDU web aray\u00fcz\u00fc yay\u0131nlamak yerine VPN veya g\u00fcvenli bir y\u00f6netim a\u011f\u0131 kullan\u0131n.<\/p>\n<p>Firmware g\u00fcncellemesi yap\u0131lmadan \u00f6nce \u00fcretici s\u00fcr\u00fcm\u00fc, mevcut yap\u0131land\u0131rman\u0131n yede\u011fi ve geri d\u00f6n\u00fc\u015f y\u00f6ntemi kayda al\u0131nmal\u0131d\u0131r. G\u00fcncelleme s\u0131ras\u0131nda PDU \u00e7\u0131k\u0131\u015flar\u0131n\u0131n etkilenip etkilenmeyece\u011fi ayr\u0131ca do\u011frulanmal\u0131d\u0131r; baz\u0131 modellerde y\u00f6netim kart\u0131 yeniden ba\u015flarken enerji da\u011f\u0131t\u0131m\u0131 devam eder, baz\u0131 \u00fcr\u00fcnlerde davran\u0131\u015f farkl\u0131 olabilir.<\/p>\n<p>SNMP izleme i\u00e7in yaln\u0131zca gerekli OID&#8217;leri kullan\u0131n. Toplam ak\u0131m, faz ak\u0131m\u0131, gerilim, s\u0131cakl\u0131k, nem ve \u00e7\u0131k\u0131\u015f durumu i\u00e7in alarm e\u015fikleri belirleyin. Alarm\u0131n yaln\u0131zca &#8220;cihaz eri\u015filemiyor&#8221; seviyesinde kalmas\u0131 yetersizdir; s\u0131cakl\u0131k art\u0131\u015f\u0131 veya faz dengesizli\u011fi kesintiden \u00f6nce uyar\u0131 verebilir.<\/p>\n<p>Y\u00f6netim d\u00fczlemindeki olaylar ayr\u0131ca loglanmal\u0131d\u0131r. Ba\u015far\u0131s\u0131z giri\u015f, \u00e7\u0131k\u0131\u015f a\u00e7ma-kapama, firmware de\u011fi\u015fikli\u011fi ve kullan\u0131c\u0131 de\u011fi\u015fiklikleri denetim kayd\u0131nda tutulmal\u0131d\u0131r. Saat senkronizasyonu i\u00e7in g\u00fcvenilir bir NTP kayna\u011f\u0131 kullan\u0131n; aksi h\u00e2lde olay s\u0131ralamas\u0131n\u0131 incelemek zorla\u015f\u0131r.<\/p>\n<div class=\"aiw-callout aiw-callout-example\">\n<p class=\"aiw-callout-label\">\u00d6rnek<\/p>\n<p>\u00d6rne\u011fin iki PSU&#039;lu bir sunucuda PSU-1 A PDU&#039;nun 7 numaral\u0131 \u00e7\u0131k\u0131\u015f\u0131na, PSU-2 B PDU&#039;nun 7 numaral\u0131 \u00e7\u0131k\u0131\u015f\u0131na ba\u011flanabilir. Etiketleme ve planl\u0131 tek-yol testi yap\u0131lmadan bu ba\u011flant\u0131 yedekli kabul edilmemelidir.<\/p>\n<\/div>\n<h2 id=\"priz-tipi-kablolama-ve-fiziksel-yerlesim\">Priz tipi, kablolama ve fiziksel yerle\u015fim<\/h2>\n<p>PDU se\u00e7iminde IEC 60320 ailesindeki C13 ve C19 gibi \u00e7\u0131k\u0131\u015f tipleri, cihazlar\u0131n g\u00fc\u00e7 kablosuyla uyumlu olmal\u0131d\u0131r. C13 ba\u011flant\u0131lar\u0131 daha d\u00fc\u015f\u00fck ve orta g\u00fc\u00e7te ekipmanlarda, C19 ba\u011flant\u0131lar\u0131 ise daha y\u00fcksek ak\u0131m gerektiren cihazlarda g\u00f6r\u00fcl\u00fcr. Giri\u015f taraf\u0131ndaki IEC veya tesis tipi konnekt\u00f6r de ayn\u0131 dikkatle kontrol edilmelidir.<\/p>\n<p>Bir PDU&#8217;nun fiziksel boyu ve montaj bi\u00e7imi rack yerle\u015fimini etkiler. Dikey 0U modeller rack \u00fcnitesi t\u00fcketmeden kabin yan\u0131na tak\u0131labilir. Yatay 1U veya 2U modeller rack alan\u0131 kullan\u0131r, fakat kabloya eri\u015fim baz\u0131 kabinlerde daha kolay olabilir.<\/p>\n<p>Kablolar\u0131n a\u011f\u0131rl\u0131\u011f\u0131, b\u00fck\u00fclme yar\u0131\u00e7ap\u0131 ve hava ak\u0131\u015f\u0131n\u0131 kapatmamas\u0131 dikkate al\u0131nmal\u0131d\u0131r. G\u00fc\u00e7 kablolar\u0131n\u0131 veri kablolar\u0131ndan tamamen ay\u0131rmak her durumda m\u00fcmk\u00fcn de\u011fildir; d\u00fczenli g\u00fczerg\u00e2h, do\u011fru uzunluk ve etiketleme bak\u0131m s\u0131ras\u0131nda hata riskini azalt\u0131r.<\/p>\n<p>Her iki ucu da etiketlenmemi\u015f bir g\u00fc\u00e7 kablosu, ar\u0131za an\u0131nda k\u00fc\u00e7\u00fck bir ara\u015ft\u0131rma projesine d\u00f6n\u00fc\u015f\u00fcr. Etiket \u00fczerinde rack, cihaz, PSU ve PDU \u00e7\u0131k\u0131\u015f numaras\u0131 bulunmal\u0131d\u0131r. Etiketler \u0131s\u0131ya ve silinmeye dayan\u0131kl\u0131 se\u00e7ilmelidir.<\/p>\n<p><strong>Kabloyu etiketleyin<\/strong> &#8211; Her ba\u011flant\u0131n\u0131n iki ucuna cihaz ad\u0131, PSU yolu, PDU ad\u0131 ve \u00e7\u0131k\u0131\u015f numaras\u0131n\u0131 yaz\u0131n.<\/p>\n<h2 id=\"pdu-izleme-ve-bakiminda-hangi-kontroller-yapilir\">PDU izleme ve bak\u0131m\u0131nda hangi kontroller yap\u0131l\u0131r?<\/h2>\n<p>Bak\u0131m yaln\u0131zca cihaz\u0131n \u00e7al\u0131\u015f\u0131p \u00e7al\u0131\u015fmad\u0131\u011f\u0131n\u0131 kontrol etmek de\u011fildir. Ayl\u0131k veya kurumun risk politikas\u0131na uygun aral\u0131klarla toplam y\u00fck, faz dengesi, alarm ge\u00e7mi\u015fi, s\u0131cakl\u0131k, nem, ba\u011flant\u0131 gev\u015femesi ve kablo \u0131s\u0131nmas\u0131 incelenmelidir. Fiziksel kontroller yaln\u0131zca enerjisiz ve yetkili personel taraf\u0131ndan yap\u0131lmal\u0131d\u0131r.<\/p>\n<p>\u0130zleme sistemi i\u00e7in makul alarmlar belirleyin. Kritik e\u015fik, uyar\u0131 e\u015fi\u011fi ve ileti\u015fim y\u00f6ntemi ayr\u0131 tan\u0131mlanabilir. Her alarm\u0131n bir sahibi olmal\u0131; aksi h\u00e2lde PDU uyar\u0131lar\u0131 zamanla g\u00fcr\u00fclt\u00fcye d\u00f6n\u00fc\u015f\u00fcr.<\/p>\n<p>G\u00fc\u00e7 de\u011fi\u015fiklikleri i\u00e7in bak\u0131m kayd\u0131 tutun. Yeni bir sunucu eklenirken yaln\u0131zca bo\u015f priz aranmaz; hangi faza ba\u011fland\u0131\u011f\u0131, A\/B yedeklili\u011fi, toplam y\u00fck ve UPS kapasitesi de kaydedilir. Bu kay\u0131tlar daha sonra ar\u0131za analizi ve kapasite planlamas\u0131nda kullan\u0131l\u0131r.<\/p>\n<p>Sunucu performans\u0131nda oldu\u011fu gibi g\u00fc\u00e7 altyap\u0131s\u0131nda da tek bir metrik yeterli de\u011fildir. CPU veya disk i\u00e7in <a href=\"https:\/\/www.vps.tc\/blog\/tr\/ssd-nedir-ssd-acilimi-hdd-farklari\/\">SSD Nedir? SSD A\u00e7\u0131l\u0131m\u0131 ve HDD&#8217;den Farklar\u0131<\/a> rehberinde oldu\u011fu gibi, \u00f6l\u00e7\u00fcm\u00fcn neyi g\u00f6sterdi\u011fi ve hangi ko\u015fulda anlaml\u0131 oldu\u011fu a\u00e7\u0131klanmal\u0131d\u0131r. PDU&#8217;da anl\u0131k watt, kWh, ak\u0131m ve alarm ge\u00e7mi\u015fi farkl\u0131 sorulara cevap verir.<\/p>\n<p><strong>Alarm\u0131 do\u011frulay\u0131n<\/strong> &#8211; PDU&#8217;da olu\u015fturdu\u011funuz her alarm\u0131n ger\u00e7ekten izleme sistemine ula\u015ft\u0131\u011f\u0131n\u0131 kontroll\u00fc bir testle kan\u0131tlay\u0131n.<\/p>\n<div class=\"aiw-callout aiw-callout-field\">\n<p class=\"aiw-callout-label\">Sahadan not<\/p>\n<p>Yaz s\u0131ca\u011f\u0131nda ev sunucumun fan\u0131 ar\u0131zaland\u0131 ve Grafana panelinde s\u0131cakl\u0131k \u00e7izgisi basamak basamak y\u00fckseldi. `sensors` \u00e7\u0131kt\u0131s\u0131nda CPU s\u0131cakl\u0131\u011f\u0131 92 \u00b0C&#039;yi g\u00f6r\u00fcnce cihaz\u0131 kontroll\u00fc kapatt\u0131m; sonras\u0131nda s\u0131cakl\u0131k ve g\u00fc\u00e7 alarmlar\u0131n\u0131 ayn\u0131 n\u00f6bet ekran\u0131nda toplamaya ba\u015flad\u0131m.<\/p>\n<\/div>\n<h2 id=\"veri-merkezi-pdu-secerken-hangi-hatalardan-kacinilir\">Veri merkezi PDU se\u00e7erken hangi hatalardan ka\u00e7\u0131n\u0131l\u0131r?<\/h2>\n<p>En s\u0131k hata, yaln\u0131zca priz say\u0131s\u0131na bakarak \u00fcr\u00fcn se\u00e7mektir. On iki \u00e7\u0131k\u0131\u015fl\u0131 bir PDU, d\u00f6rt \u00e7\u0131k\u0131\u015fl\u0131 modelden otomatik olarak daha iyi de\u011fildir; giri\u015f tipi, ak\u0131m kapasitesi, \u00f6l\u00e7\u00fcm do\u011frulu\u011fu ve y\u00f6netim \u00f6zellikleri as\u0131l fark\u0131 yarat\u0131r.<\/p>\n<p>\u0130kinci hata, PDU kapasitesi ile UPS kapasitesini birbirinden ba\u011f\u0131ms\u0131z d\u00fc\u015f\u00fcnmektir. PDU 7 kW da\u011f\u0131tabiliyor olsa bile arkas\u0131ndaki UPS 5 kW ile s\u0131n\u0131rl\u0131ysa ger\u00e7ek s\u0131n\u0131r UPS&#8217;tir. Ayn\u0131 \u015fekilde rack i\u00e7indeki cihazlar\u0131n toplam y\u00fck\u00fc PDU&#8217;nun, devrenin ve g\u00fc\u00e7 kayna\u011f\u0131n\u0131n s\u0131n\u0131rlar\u0131n\u0131 a\u015fmamal\u0131d\u0131r.<\/p>\n<p>\u00dc\u00e7\u00fcnc\u00fc hata, uzaktan \u00e7\u0131k\u0131\u015f kontrol\u00fcn\u00fc risksiz bir yeniden ba\u015flatma d\u00fc\u011fmesi sanmakt\u0131r. Depolama sistemleri, veritabanlar\u0131 ve sanalla\u015ft\u0131rma d\u00fc\u011f\u00fcmleri i\u00e7in \u00f6nce i\u015fletim sistemi seviyesinde kontroll\u00fc kapatma plan\u0131 haz\u0131rlanmal\u0131d\u0131r. PDU \u00fczerinden g\u00fc\u00e7 kesmek son \u00e7are olarak belgelenmelidir.<\/p>\n<p>Enerji t\u00fcketimi kapasite planlamas\u0131n\u0131n yaln\u0131zca bir par\u00e7as\u0131d\u0131r. Sunucu yo\u011funlu\u011fu, so\u011futma, rack alan\u0131 ve i\u015fletme maliyeti birlikte hesaplan\u0131r. <a href=\"https:\/\/www.vps.tc\/blog\/tr\/bulut-maliyetleri-nasil-dusurulur-10-etkili-yontem\/\">Bulut Maliyetleri Nas\u0131l D\u00fc\u015f\u00fcr\u00fcl\u00fcr? 10 Etkili Y\u00f6ntem<\/a> gibi maliyet odakl\u0131 planlama i\u00e7erikleri, fiziksel altyap\u0131 kararlar\u0131nda da yararl\u0131 bir \u00e7er\u00e7eve sunar.<\/p>\n<p>VPS hizmetlerinde elektrik da\u011f\u0131t\u0131m\u0131 sa\u011flay\u0131c\u0131ya ait olsa da g\u00fc\u00e7 altyap\u0131s\u0131n\u0131n etkisi m\u00fc\u015fteriye ula\u015f\u0131r. Bir sanal sunucunun eri\u015filebilirli\u011fi, veri merkezinin UPS, PDU, jenerat\u00f6r ve bak\u0131m prosed\u00fcrleriyle do\u011frudan ili\u015fkilidir. Performans taraf\u0131nda kapasite hesab\u0131 yaparken <a href=\"https:\/\/www.vps.tc\/blog\/tr\/vps-bant-genisligi-ihtiyacinizi-hesaplayin\/\">VPS Bant Geni\u015fli\u011fi Nedir? \u0130htiyac\u0131n\u0131z\u0131 Hesaplay\u0131n<\/a> rehberindeki \u00f6l\u00e7\u00fcm yakla\u015f\u0131m\u0131na benzer bi\u00e7imde ger\u00e7ek kullan\u0131m verisi izlenmelidir.<\/p>\n<h2 id=\"pdu-kurulumundan-once-sunlari-kontrol-edin\">PDU Kurulumundan \u00d6nce \u015eunlar\u0131 Kontrol Edin<\/h2>\n<ul class=\"aiw-checklist\">\n<li>Cihazlar\u0131n ger\u00e7ek ve ba\u015flang\u0131\u00e7 g\u00fc\u00e7 t\u00fcketimini \u00f6l\u00e7\u00fcn.<\/li>\n<li>PDU giri\u015f konnekt\u00f6r\u00fcn\u00fc ve nominal ak\u0131m\u0131n\u0131 do\u011frulay\u0131n.<\/li>\n<li>Tek faz veya \u00fc\u00e7 faz gereksinimini netle\u015ftirin.<\/li>\n<li>PDU, UPS ve devre kesici kapasitelerini birlikte hesaplay\u0131n.<\/li>\n<li>\u00c7ift PSU&#039;lu cihazlar\u0131n A ve B yollar\u0131n\u0131 ayr\u0131 tasarlay\u0131n.<\/li>\n<li>Y\u00f6netim aray\u00fcz\u00fcn\u00fc ayr\u0131 VLAN&#039;a ta\u015f\u0131y\u0131n ve varsay\u0131lan parolay\u0131 de\u011fi\u015ftirin.<\/li>\n<li>PDU \u00e7\u0131k\u0131\u015flar\u0131n\u0131, kablolar\u0131 ve rack ba\u011flant\u0131 \u015femas\u0131n\u0131 etiketleyin.<\/li>\n<\/ul>\n<div class=\"aiw-cta\">\n<p>Rack g\u00fc\u00e7 plan\u0131n\u0131z\u0131 PDU, UPS ve A\/B yollar\u0131n\u0131 birlikte g\u00f6sterecek \u015fekilde tek bir \u015femaya d\u00f6n\u00fc\u015ft\u00fcr\u00fcn. \u0130lk bak\u0131m penceresinde bu \u015femay\u0131 ger\u00e7ek kablo ba\u011flant\u0131lar\u0131yla kar\u015f\u0131la\u015ft\u0131rmak, eksik yedeklilikleri g\u00f6r\u00fcn\u00fcr h\u00e2le getirir.<\/p>\n<p class=\"aiw-cta-action\"><a href=\"https:\/\/www.vps.tc\/tr\/vps\">VPS paketlerini inceleyin<\/a><\/p>\n<\/div>\n<h2 id=\"sik-sorulan-sorular\">S\u0131k Sorulan Sorular<\/h2>\n<div class=\"aiw-faq\">\n<details class=\"aiw-faq-item\" open>\n<summary>PDU ile UPS aras\u0131ndaki temel fark nedir?<\/summary>\n<p>UPS, elektrik kesintisi veya dalgalanmas\u0131 s\u0131ras\u0131nda ak\u00fc gibi bir enerji kayna\u011f\u0131 \u00fczerinden \u00e7\u0131k\u0131\u015f sa\u011flamaya \u00e7al\u0131\u015f\u0131r. PDU ise UPS&#039;ten veya elektrik da\u011f\u0131t\u0131m panelinden gelen g\u00fcc\u00fc rack cihazlar\u0131na payla\u015ft\u0131r\u0131r. Metered ve monitored PDU&#039;lar ak\u0131m, gerilim ve g\u00fc\u00e7 t\u00fcketimini \u00f6l\u00e7ebilir; switched modeller \u00e7\u0131k\u0131\u015flar\u0131 uzaktan kontrol edebilir. PDU tek ba\u015f\u0131na kesinti s\u00fcresi sa\u011flamaz.<\/p>\n<\/details>\n<details class=\"aiw-faq-item\">\n<summary>Rack PDU kapasitesi nas\u0131l hesaplan\u0131r?<\/summary>\n<p>Tek faz i\u00e7in g\u00f6r\u00fcn\u00fcr g\u00fc\u00e7 yakla\u015f\u0131k olarak volt \u00d7 amper ile hesaplan\u0131r. Aktif g\u00fc\u00e7 i\u00e7in g\u00fc\u00e7 fakt\u00f6r\u00fc de hesaba kat\u0131l\u0131r: P = V \u00d7 I \u00d7 PF. Ard\u0131ndan PDU&#039;nun, devre kesicinin, UPS&#039;in ve kablolar\u0131n s\u00fcrekli y\u00fck s\u0131n\u0131rlar\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r. Cihaz etiketindeki maksimum g\u00fc\u00e7 yerine \u00f6l\u00e7\u00fclm\u00fc\u015f \u00e7al\u0131\u015fma t\u00fcketimini kullan\u0131n ve yeni cihazlar i\u00e7in kapasite pay\u0131 b\u0131rak\u0131n.<\/p>\n<\/details>\n<details class=\"aiw-faq-item\">\n<summary>Switched PDU sunucuyu g\u00fcvenli bi\u00e7imde yeniden ba\u015flat\u0131r m\u0131?<\/summary>\n<p>Switched PDU, \u00e7\u0131k\u0131\u015f enerjisini kesip yeniden verebilir; bu i\u015flem i\u015fletim sistemi \u00fczerinden yap\u0131lan kontroll\u00fc yeniden ba\u015flatman\u0131n e\u015fde\u011feri de\u011fildir. Veritaban\u0131, depolama ve sanalla\u015ft\u0131rma sistemlerinde \u00f6nce servisleri durdurun, konsol eri\u015fimini ve yazma i\u015flemlerini kontrol edin. G\u00fc\u00e7 d\u00f6ng\u00fcs\u00fcn\u00fc yaln\u0131zca belgelenmi\u015f bir kurtarma prosed\u00fcr\u00fcn\u00fcn par\u00e7as\u0131 olarak kullan\u0131n.<\/p>\n<\/details>\n<details class=\"aiw-faq-item\">\n<summary>A ve B PDU ba\u011flant\u0131s\u0131 neden gereklidir?<\/summary>\n<p>\u00c7ift g\u00fc\u00e7 kayna\u011f\u0131 bulunan cihazlarda A ve B ba\u011flant\u0131lar\u0131, tek bir PDU veya g\u00fc\u00e7 yolundaki ar\u0131zan\u0131n sistemi durdurmas\u0131n\u0131 \u00f6nler. Bunun ger\u00e7ekten yedekli olmas\u0131 i\u00e7in iki PDU&#039;nun farkl\u0131 UPS, da\u011f\u0131t\u0131m paneli veya elektrik devrelerinden beslenmesi gerekir. \u0130ki PDU ayn\u0131 prize ya da ayn\u0131 devre kesiciye ba\u011fl\u0131ysa ortak ar\u0131za riski devam eder.<\/p>\n<\/details>\n<details class=\"aiw-faq-item\">\n<summary>PDU y\u00f6netim aray\u00fcz\u00fc internete a\u00e7\u0131labilir mi?<\/summary>\n<p>PDU y\u00f6netim aray\u00fcz\u00fcn\u00fc do\u011frudan internete a\u00e7mak \u00f6nerilmez. Y\u00f6netim IP&#039;sini ayr\u0131 bir VLAN&#039;a al\u0131n, eri\u015fimi VPN veya s\u0131n\u0131rl\u0131 y\u00f6netim istasyonlar\u0131 \u00fczerinden verin ve varsay\u0131lan parolay\u0131 de\u011fi\u015ftirin. SNMP kullan\u0131l\u0131yorsa m\u00fcmk\u00fcn oldu\u011funda SNMPv3 tercih edin. Firmware, ba\u015far\u0131s\u0131z giri\u015f ve \u00e7\u0131k\u0131\u015f kontrol olaylar\u0131n\u0131 d\u00fczenli olarak izleyin.<\/p>\n<\/details>\n<details class=\"aiw-faq-item\">\n<summary>C13 ve C19 PDU prizleri aras\u0131ndaki fark nedir?<\/summary>\n<p>C13 ve C19, IEC 60320 ailesinde bulunan farkl\u0131 cihaz ba\u011flant\u0131 tipleridir. C13 ba\u011flant\u0131lar\u0131 d\u00fc\u015f\u00fck ve orta g\u00fc\u00e7teki bir\u00e7ok cihazda g\u00f6r\u00fcl\u00fcrken C19 daha y\u00fcksek ak\u0131m gerektiren ekipmanlarda kullan\u0131l\u0131r. Yaln\u0131zca fiziksel uyuma bakmay\u0131n; PDU&#039;nun \u00e7\u0131k\u0131\u015f ak\u0131m\u0131, kablonun kapasitesi, giri\u015f konnekt\u00f6r\u00fc ve cihaz \u00fcreticisinin talimat\u0131 birlikte kontrol edilmelidir.<\/p>\n<\/details>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>PDU&#8217;nun veri merkezindeki g\u00f6revini, UPS&#8217;ten fark\u0131n\u0131, rack kapasitesi hesaplamas\u0131n\u0131 ve A\/B g\u00fc\u00e7 yedeklili\u011fini teknik ayr\u0131nt\u0131larla a\u00e7\u0131kl\u0131yoruz.<\/p>\n","protected":false},"author":2,"featured_media":809,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[497],"tags":[],"class_list":["post-811","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-veri-merkezi"],"lang":"tr","translations":{"tr":811,"en":812},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/posts\/811","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/comments?post=811"}],"version-history":[{"count":1,"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/posts\/811\/revisions"}],"predecessor-version":[{"id":813,"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/posts\/811\/revisions\/813"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/media\/809"}],"wp:attachment":[{"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/media?parent=811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/categories?post=811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vps.tc\/blog\/wp-json\/wp\/v2\/tags?post=811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}