{"id":1120,"date":"2022-05-18T13:35:00","date_gmt":"2022-05-18T13:35:00","guid":{"rendered":"https:\/\/oktawave.com\/blog\/?p=1120"},"modified":"2023-10-05T07:49:20","modified_gmt":"2023-10-05T07:49:20","slug":"co-to-jest-disaster-recovery","status":"publish","type":"post","link":"https:\/\/oktawave.com\/pl\/blog\/chmura-obliczeniowa\/technologie-chmury\/co-to-jest-disaster-recovery\/","title":{"rendered":"Co to jest disaster recovery?"},"content":{"rendered":"\n<p>Disaster Recovery (DR), czyli odtwarzanie awaryjne, to zbi\u00f3r procedur i polityk pozwalaj\u0105cy na&nbsp;wznowienie lub utrzymanie&nbsp;infrastruktury IT&nbsp;po&nbsp;powa\u017cnej&nbsp;awarii. Awaria mo\u017ce by\u0107 skutkiem&nbsp;szkodliwej dzia\u0142alno\u015bci cz\u0142owieka&nbsp;(nieumy\u015blnej lub umy\u015blnej, jak np. cyberatak)&nbsp;czy kl\u0119ski \u017cywio\u0142owej (po\u017car, pow\u00f3d\u017a, trz\u0119sienie ziemi,&nbsp;tsunami itp.).&nbsp;Katastrofa mo\u017ce spowodowa\u0107 uszkodzenie infrastruktury i uniemo\u017cliwi\u0107 dzia\u0142alno\u015b\u0107 biznesow\u0105. Dzisiaj ma\u0142o kto&nbsp;mo\u017ce&nbsp;sobie pozwoli\u0107 na d\u0142u\u017cszy przest\u00f3j,&nbsp;oznaczaj\u0105cy nie tylko&nbsp;brak dost\u0119pno\u015bci&nbsp;us\u0142ug, ale i utrat\u0119 danych klient\u00f3w. Dlatego ka\u017cda organizacja powinna posiada\u0107 Disaster Recovery Plan&nbsp;a w jego ramach wyznaczone Disaster Recovery Center (DRC) czyli miejsce gdzie systemy informatyczne zostan\u0105 odtworzone.&nbsp;<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">Co to jest disaster recovery plan?<\/h2>\n\n\n\n<p><br>Celem planu odtwarzania awaryjnego (Disaster Recovery Plan) jest jak najszybsze uruchomienie infrastruktury, aby utrzyma\u0107 jako\u015b\u0107 us\u0142ug i zminimalizowa\u0107 negatywny wp\u0142yw na dzia\u0142ania operacyjne. Plan okre\u015bla przede wszystkim strategi\u0119 dzia\u0142ania, niezb\u0119dne technologie i osoby odpowiedzialne za wykonanie planu. Szczeg\u00f3\u0142owy i udokumentowany plan powinien obejmowa\u0107 list\u0119 zasob\u00f3w sprz\u0119towych i programowych wraz z ocen\u0105 ich krytyczno\u015bci oraz procedury tworzenia kopii zapasowych i odzyskiwania system\u00f3w.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RTO i RPO w disaster recovery<\/h2>\n\n\n\n<p>Parametrami RTO i RPO definiuje si\u0119 krytyczno\u015b\u0107 system\u00f3w w procesie przywracania ich funkcjonowania.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/oktawave.com\/blog\/wp-content\/uploads\/2021\/12\/diag_5@x2-1024x576.png\" alt=\"\" class=\"wp-image-1745\" srcset=\"https:\/\/oktawave.com\/pl\/blog\/wp-content\/uploads\/2021\/12\/diag_5@x2-1024x576.png 1024w, https:\/\/oktawave.com\/pl\/blog\/wp-content\/uploads\/2021\/12\/diag_5@x2-300x169.png 300w, https:\/\/oktawave.com\/pl\/blog\/wp-content\/uploads\/2021\/12\/diag_5@x2-768x432.png 768w, https:\/\/oktawave.com\/pl\/blog\/wp-content\/uploads\/2021\/12\/diag_5@x2-1536x864.png 1536w, https:\/\/oktawave.com\/pl\/blog\/wp-content\/uploads\/2021\/12\/diag_5@x2-2048x1152.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>RPO (Recovery Point Objective) to docelowy punkt odzyskiwania. Okre\u015bla maksymalny dopuszczalny wolumen utraty danych. RPO warunkuje wi\u0119c cz\u0119stotliwo\u015b\u0107 wykonywania backupu, w przypadku us\u0142ug krytycznych mo\u017ce wynosi\u0107 nawet milisekundy. Je\u015bli okre\u015blisz RPO na poziomie 1 godziny oznacza to, \u017ce utracisz dane maksymalnie z 1 godziny.<\/p>\n\n\n\n<p>Z kolei RTO (Recovery Time Objective) to docelowy czas odzyskiwania. Parametr okre\u015bla maksymalny czas przestoju, licz\u0105c od momentu wyst\u0105pienia awarii do pe\u0142nego przywr\u00f3cenia dzia\u0142ania system\u00f3w. Dla ka\u017cdego systemu nale\u017cy zdecydowa\u0107, jak d\u0142ugo mo\u017ce by\u0107 niedost\u0119pny, aby utrata danych nie by\u0142a zbyt du\u017ca. Czas ten mo\u017ce by\u0107 liczony w sekundach, godzinach, a w przypadku drugorz\u0119dnych aplikacji (np. archiwum) nawet w dniach.<br>Firmy zazwyczaj d\u0105\u017c\u0105 do jak najni\u017cszych warto\u015bci obu wska\u017anik\u00f3w dla krytycznych system\u00f3w. I cho\u0107 nie jest mo\u017cliwe uzyskanie RTO i RPO na poziomie zero, to dzi\u0119ki rozwi\u0105zaniom chmurowym mo\u017cna uzyska\u0107 bardzo niskie warto\u015bci. Stworzenie zapasowego \u015brodowiska (Disaster Recovery Center) w chmurze pozwala na ci\u0105g\u0142\u0105 replikacji danych z o\u015brodka podstawowego do awaryjnego.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co to jest disaster recovery center?<\/h2>\n\n\n\n<p>Aby plan odzyskiwania mo\u017cna by\u0142o w og\u00f3le zrealizowa\u0107, niezb\u0119dna jest alternatywna lokalizacja, w kt\u00f3rej znajduj\u0105 si\u0119 kopie \u015brodowiska i krytycznych system\u00f3w, czyli Disaster Recovery Center. Trzeba pami\u0119ta\u0107, \u017ce powa\u017cna awaria mo\u017ce uszkodzi\u0107 nie tylko oprogramowanie, ale i centrum danych. Dlatego posiadanie zapasowego centrum, gotowego do podj\u0119cia pracy w ka\u017cdej chwili, jest niezb\u0119dnym elementem przywracania ci\u0105g\u0142o\u015bci biznesowej.<br><\/p>\n\n\n\n<p><a href=\"https:\/\/oktawave.com\/pl\/rozwiazania\/disaster-recovery-center\">Disaster Recovery Center<\/a> pozwala odtworzy\u0107 \u015brodowisko IT i odzyska\u0107 dane z backupu. Dzi\u0119ki temu, \u017ce podstawowe i zapasowe \u015brodowiska nieustannie si\u0119 komunikuj\u0105, w chwili unieruchomienia system\u00f3w DRC jest gotowe w ci\u0105gu paru sekund podtrzyma\u0107 ich dzia\u0142anie.<br><\/p>\n\n\n\n<p>Przyjmuje si\u0119, \u017ce Disaster Recovery Center powinno znajdowa\u0107 si\u0119 w oddalonym geograficznie regionie, aby w razie kl\u0119ski \u017cywio\u0142owej jej skutki nie dosi\u0119gn\u0119\u0142y zapasowej lokalizacji. W tej roli doskonale sprawdza si\u0119 chmura. Je\u015bli firma korzysta z zasob\u00f3w lokalnych, dzi\u0119ki chmurze mo\u017ce stworzy\u0107 \u015brodowisko hybrydowe. Je\u015bli korzysta z chmury publicznej, DRC mo\u017ce utworzy\u0107 u tego samego dostawcy, ale w innym regionie dost\u0119pno\u015bci. Aby uniezale\u017cni\u0107 si\u0119 od jednego dostawcy, mo\u017ce r\u00f3wnie\u017c stworzy\u0107 zapasowe \u015brodowisko u innego dostawcy, buduj\u0105c rozwi\u0105zanie multicloud.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kiedy warto skorzysta\u0107 z DRaaS?<\/h2>\n\n\n\n<p>Disaster Recovery as a Service (DRaaS) to us\u0142uga polegaj\u0105ca na powierzeniu zarz\u0105dzania planem odtwarzania awaryjnego zewn\u0119trznemu dostawcy. Tworzenie w\u0142asnego o\u015brodka zapasowego i osobnego zespo\u0142u specjalist\u00f3w zajmuj\u0105cych si\u0119 wy\u0142\u0105cznie przywracaniem system\u00f3w mo\u017ce by\u0107 nieop\u0142acalne. Z kolei przekazanie tego zadania obecnemu zespo\u0142owi IT jest cz\u0119sto zbyt obci\u0105\u017caj\u0105ce. Oczywi\u015bcie DRC wymaga monitorowania i regularnego testowania, dlatego dobrym rozwi\u0105zaniem jest skorzystanie z us\u0142ug firmy trzeciej. Jest to tez bardzo op\u0142acalna opcja, bior\u0105c pod uwag\u0119, \u017ce nie generuje bie\u017c\u0105cych koszt\u00f3w. Za DRC p\u0142acimy tylko w razie korzystania z jego zasob\u00f3w, czyli w sytuacji awarii.<br><\/p>\n\n\n\n<p>Dostawcy chmurowi oferuj\u0105 rozwi\u0105zania DRaaS oparte o rozproszenie geograficzne (fizycznie oddalone od siebie centra danych) i narz\u0119dzia do automatyzacji. Gwarantuj\u0105 tym samym aktualno\u015b\u0107 i bezpiecze\u0144stwo kopii zapasowej, znajduj\u0105cej si\u0119 w niezale\u017cnym o\u015brodku, a tak\u017ce b\u0142yskawiczn\u0105 reakcj\u0119. Dzi\u0119ki automatyzacji zarzadzania DRC, zapasowe \u015brodowisko uruchamia si\u0119 samodzielnie i przejmuje obs\u0142ug\u0119 ruchu, minimalizuj\u0105c ryzyko przestoju i utraty danych. Dzi\u0119ki DRaaS w chwili awarii firma mo\u017ce kontynuowa\u0107 dzia\u0142alno\u015b\u0107, nawet je\u015bli jej w\u0142asne serwery s\u0105 niesprawne.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Disaster Recovery (DR), czyli odtwarzanie awaryjne, to zbi\u00f3r procedur i polityk pozwalaj\u0105cy na&nbsp;wznowienie lub utrzymanie&nbsp;infrastruktury IT&nbsp;po&nbsp;powa\u017cnej&nbsp;awarii. Awaria mo\u017ce by\u0107 skutkiem&nbsp;szkodliwej dzia\u0142alno\u015bci cz\u0142owieka&nbsp;(nieumy\u015blnej lub umy\u015blnej, jak np. cyberatak)&nbsp;czy kl\u0119ski \u017cywio\u0142owej (po\u017car, pow\u00f3d\u017a, trz\u0119sienie ziemi,&nbsp;tsunami itp.).&nbsp;Katastrofa mo\u017ce spowodowa\u0107 uszkodzenie infrastruktury i uniemo\u017cliwi\u0107 dzia\u0142alno\u015b\u0107 biznesow\u0105. Dzisiaj ma\u0142o kto&nbsp;mo\u017ce&nbsp;sobie pozwoli\u0107 na d\u0142u\u017cszy przest\u00f3j,&nbsp;oznaczaj\u0105cy nie tylko&nbsp;brak dost\u0119pno\u015bci&nbsp;us\u0142ug, ale i utrat\u0119 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,34],"tags":[],"ppma_author":[20],"class_list":["post-1120","post","type-post","status-publish","format-standard","hentry","category-chmura-obliczeniowa","category-technologie-chmury"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Co to jest disaster recovery? | Blog Oktawave<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/oktawave.com\/pl\/blog\/chmura-obliczeniowa\/technologie-chmury\/co-to-jest-disaster-recovery\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Co to jest disaster recovery? | Blog Oktawave\" \/>\n<meta property=\"og:description\" content=\"Disaster Recovery (DR), czyli odtwarzanie awaryjne, to zbi\u00f3r procedur i polityk pozwalaj\u0105cy na&nbsp;wznowienie lub utrzymanie&nbsp;infrastruktury IT&nbsp;po&nbsp;powa\u017cnej&nbsp;awarii. Awaria mo\u017ce by\u0107 skutkiem&nbsp;szkodliwej dzia\u0142alno\u015bci cz\u0142owieka&nbsp;(nieumy\u015blnej lub umy\u015blnej, jak np. cyberatak)&nbsp;czy kl\u0119ski \u017cywio\u0142owej (po\u017car, pow\u00f3d\u017a, trz\u0119sienie ziemi,&nbsp;tsunami itp.).&nbsp;Katastrofa mo\u017ce spowodowa\u0107 uszkodzenie infrastruktury i uniemo\u017cliwi\u0107 dzia\u0142alno\u015b\u0107 biznesow\u0105. 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Awaria mo\u017ce by\u0107 skutkiem&nbsp;szkodliwej dzia\u0142alno\u015bci cz\u0142owieka&nbsp;(nieumy\u015blnej lub umy\u015blnej, jak np. cyberatak)&nbsp;czy kl\u0119ski \u017cywio\u0142owej (po\u017car, pow\u00f3d\u017a, trz\u0119sienie ziemi,&nbsp;tsunami itp.).&nbsp;Katastrofa mo\u017ce spowodowa\u0107 uszkodzenie infrastruktury i uniemo\u017cliwi\u0107 dzia\u0142alno\u015b\u0107 biznesow\u0105. Dzisiaj ma\u0142o kto&nbsp;mo\u017ce&nbsp;sobie pozwoli\u0107 na d\u0142u\u017cszy przest\u00f3j,&nbsp;oznaczaj\u0105cy nie tylko&nbsp;brak dost\u0119pno\u015bci&nbsp;us\u0142ug, ale i utrat\u0119 [&hellip;]","og_url":"https:\/\/oktawave.com\/pl\/blog\/chmura-obliczeniowa\/technologie-chmury\/co-to-jest-disaster-recovery\/","og_site_name":"Blog Oktawave","article_published_time":"2022-05-18T13:35:00+00:00","article_modified_time":"2023-10-05T07:49:20+00:00","og_image":[{"url":"https:\/\/oktawave.com\/blog\/wp-content\/uploads\/2021\/12\/diag_5@x2-1024x576.png","type":"","width":"","height":""}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"Napisane przez":"admin","Szacowany czas czytania":"5 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