{"id":9802,"date":"2012-03-30T16:49:09","date_gmt":"2012-03-30T16:49:09","guid":{"rendered":"https:\/\/serverlift.com\/?p=3624"},"modified":"2025-01-14T19:49:01","modified_gmt":"2025-01-14T19:49:01","slug":"datacenter-disaster-recovery","status":"publish","type":"post","link":"https:\/\/serverlift.com\/de\/blog\/datacenter-disaster-recovery\/","title":{"rendered":"Datencenter-Notfallwiederherstellung"},"content":{"rendered":"

Notfallwiederherstellung im Rechenzentrum:<\/span><\/h1>\n


\n<\/span>Naturkatastrophen sind eine Tatsache des Lebens. Sie kommen jedes Jahr mit wenig Vorwarnung und strahlen eine unglaubliche rohe Kraft aus; alles zerst\u00f6ren, was ihnen in den Weg kommt. Diese "Taten Gottes" spielen weder Favoriten noch k\u00fcmmern sie sich darum, was sie in ihrem Gefolge zerst\u00f6ren k\u00f6nnten. Sie sind unvorhersehbar, unzuverl\u00e4ssig und unver\u00e4nderlich.<\/span><\/p>\n

Genau wie Sie entscheide ich mich f\u00fcr einen Wohnort und ein Unternehmen f\u00fcr einen Standort Rechenzentrum<\/em> mit etwas Nachdruck auf die Chancen einer Naturkatastrophe. Und genau wie Sie und ich, m\u00fcssen diese Unternehmen m\u00f6glicherweise einen Ort bauen oder verlegen, an dem die Wahrscheinlichkeit einer Katastrophe h\u00f6her ist.<\/span><\/p>\n

Inevitably data centers will be built in locations that seasonally face the wrath of mother nature and because of this disaster recovery plans (DRP) – sometimes referred to as a business continuity plans (BCP) or business process contingency plans (BPCP) \u2013 have to be put in place, in order for organizations to have a plan describing how to deal with potential disasters.<\/span><\/p>\n

Just as a disaster is an event that makes the continuation of normal functions impossible, a disaster recovery plan consists of the precautions taken so that the effects of a disaster will be minimized and the organization will be able to either maintain or quickly resume mission-critical functions. Typically, Disaster Recovery-Planung<\/em> beinhaltet eine Analyse der Gesch\u00e4ftsprozesse und des Kontinuit\u00e4tsbedarfs; es kann auch einen erheblichen Schwerpunkt auf den Katastrophenschutz legen Rechenzentrumsmigration<\/a>.<\/span><\/p>\n

Gem\u00e4\u00df den Industriestandards gibt es drei Ans\u00e4tze, um mit Katastrophen umzugehen, wenn sie eintreten:<\/strong><\/h4>\n
    \n
  1. HOT Disaster Recovery-Sites:<\/strong><\/span>
    \n Diese Sites eignen sich f\u00fcr Anwendungen und Dienste, die von Natur aus sehr kritisch sind und keine Ausfallzeiten w\u00e4hrend einer Katastrophe riskieren k\u00f6nnen. Dieser Ansatz ist f\u00fcr gesch\u00e4ftskritische Dienste wie Bank-Rechenzentren, Online-Transaktionsstandorte oder Lager \/ Share-Rechenzentren erforderlich. Hot-DR-Standorte m\u00fcssen \u00fcber eine Online-Sicherung aller Dienste am Notfallwiederherstellungsstandort verf\u00fcgen. Im Katastrophenfall wird die DR-Site Verbindungen herstellen und das Gesch\u00e4ft wird in k\u00fcrzester Zeit wieder in Betrieb genommen. Dieser Ansatz ist jedoch \u00e4u\u00dferst kostspielig und erfordert gro\u00dfe Investitionen, da das Rechenzentrum am Standort des DR-Rechenzentrums gespiegelt wird.<\/span><\/li>\n
  2. COLD DR Sites:<\/strong><\/span>
    \n Cold DR-Standorte verf\u00fcgen \u00fcber Offsite-Backups auf den wichtigsten Rechenzentrums-Servern und -Diensten. Im Notfall wird das Backup auf neu erworbenen und installierten Servern wiederhergestellt. Die Verz\u00f6gerungszeit f\u00fcr die Wiederherstellung des Dienstes f\u00fcr diese Sites ist lang und kann im Allgemeinen erst nach einer Woche oder l\u00e4nger wieder aktiv werden. Die Planung an diesen Standorten ist minimal und erfordert lediglich die Identifizierung eines Raums f\u00fcr den DR-Umzug und den Aufbau einer Basisinfrastruktur.<\/span><\/li>\n
  3. \n
    WARM Disaster Recovery Sites:<\/strong><\/span>
    \n Warme DR-Standorte sind eine Mischung aus hei\u00dfen und kalten DR-L\u00f6sungen. Aufgrund von Kostenbeschr\u00e4nkungen oder Anwendungsabh\u00e4ngigkeiten werden nur einige Anwendungen f\u00fcr die Notfallwiederherstellung in Betracht gezogen. RTO variiert bis zu einigen Tagen. Services werden nach Priorit\u00e4t oder Schweregrad wiederhergestellt. Um die Kosten zu kontrollieren, werden nur gesch\u00e4ftskritische Anwendungen f\u00fcr Hot-DR ber\u00fccksichtigt, und andere werden entweder an einen DR-Standort verschoben oder im Notfall neu erstellt.<\/span><\/div>\n

    \"Datencenter-Notfallwiederherstellung\"
    \n<\/span><\/p>\n<\/li>\n<\/ol>\n


    \nDer Ansatz basiert auf dem Maximum Tolerable Outage (MTO). MTO ist die Zeit, f\u00fcr die ein Unternehmen einen Ausfall tolerieren kann. Jeder Vorfall, der sich f\u00fcr weniger als diesen Zeitraum ereignet, kann nicht als Katastrophe betrachtet werden. Wenn der Vorfall jedoch das MTO \u00fcberschreitet, ruft das Rechenzentrumsmanagement den DR-Plan auf, wodurch die Auswirkungen auf das Unternehmen theoretisch gemindert werden.<\/span><\/span><\/p>\n

    Wenn Sie eine Rechenzentrumsmigration durchf\u00fchren, finden Sie hier einen hilfreichen Artikel zu<\/span>\u00a0Migrationsschritte f\u00fcr Rechenzentren<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

    Disaster Recovery in the Data Center: Natural Disasters are a fact of life. They come annually with little warning and exude an incredible brute force; demolishing anything and everything that crosses their path. These \u201cacts of God\u201d do not play favorites or care what they may be destroying in their wake. They are unpredictable, unreliable, […]<\/p>\n","protected":false},"author":2,"featured_media":17123,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":"","_wpscppro_dont_share_socialmedia":null,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"default","_twitter_share_type":"default","_linkedin_share_type":"default","_pinterest_share_type":"default","_linkedin_share_type_page":"","_instagram_share_type":"default","_medium_share_type":"default","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[78],"tags":[59,93],"class_list":["post-9802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-data-center","tag-data-center-disaster"],"yoast_head":"\nData 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