{"id":9882,"date":"2014-01-27T09:00:25","date_gmt":"2014-01-27T09:00:25","guid":{"rendered":"https:\/\/serverlift.com\/?p=9882"},"modified":"2025-03-17T14:40:40","modified_gmt":"2025-03-17T14:40:40","slug":"lessons-learned-recent-dropbox-outage","status":"publish","type":"post","link":"https:\/\/serverlift.com\/de\/blog\/lessons-learned-recent-dropbox-outage\/","title":{"rendered":"Lehren aus dem letzten Ausfall der Dropbox"},"content":{"rendered":"

Sehr wenige von uns in der Webhosting-Branche werden jemals die Notwendigkeit haben, auf das Niveau zu skalieren, das Dienste wie Dropbox bieten. Wenn ein Service in der Gr\u00f6\u00dfe von Dropbox einen Fehltritt macht, der zu einem Ausfall f\u00fchrt, ist es sinnvoll, die Ursachen und Auswirkungen zu untersuchen, um festzustellen, ob m\u00f6glicherweise Lehren gezogen werden m\u00fcssen.<\/p>\n

Am 10. Januar ging Dropbox offline. Benutzer konnten ihre Ordner nicht synchronisieren und konnten daher auf vielen Ger\u00e4ten nicht auf ihre Dateien zugreifen. Der Dienst war am Freitagabend f\u00fcr einen Gro\u00dfteil der Zeit nicht verf\u00fcgbar, und Benutzer hatten das ganze Wochenende \u00fcber Probleme, auf ihre Dateien zuzugreifen.<\/p>\n

Of course, the media was full of speculation about potential causes for the outage, with many focusing on a possible DDoS attack. On the following Monday, Dropbox released a statement that went into detail about the causes of the outage, which dismissed the idea of an Angriff von Hackern<\/a> und stattdessen einen fehlerhaften Update-Prozess verantwortlich gemacht.<\/p>\n

Am Tag des Ausfalls f\u00fchrte Dropbox eine geplante Betriebssystemsicherung durch. Wie Sie sich vorstellen k\u00f6nnen, ist das Aktualisieren der Tausenden von Servern, die Dropbox verwendet, keine leichte Aufgabe. Ein Gro\u00dfteil des Prozesses wird mit Skripten automatisiert, die m\u00f6glicherweise die Ausfallzeit verursacht haben.<\/p>\n

Wie der Leiter der Infrastruktur bei Dropbox, Akhil Gupta, ausf\u00fchrlich erl\u00e4utert, m\u00fcssen Sie bei der Durchf\u00fchrung eines Upgrades absolut sicher sein, in welchem Status sich der Server befindet. Dropbox hat eine zus\u00e4tzliche \u00dcberpr\u00fcfungsstufe implementiert, sodass der Server seinen eigenen Status \u00fcberpr\u00fcft, bevor er Befehle ausf\u00fchrt, anstatt eingehende Anweisungen blind auszuf\u00fchren, unabh\u00e4ngig davon, was er tut, wenn er sie empf\u00e4ngt.<\/p>\n

Es wird post mortem des Vorfalls nicht erw\u00e4hnt, aber der Ausfall h\u00e4tte wahrscheinlich durch strengere Tests vermieden werden k\u00f6nnen. Der Dropbox-Ausfall erinnert daran, was passieren kann, wenn ein Unternehmen seine Infrastruktur schnell skaliert. Die Skalierung wird zum vorrangigen Ziel, und das Testen bleibt bis zu einem gewissen Grad auf der Strecke.<\/p>\n

Ein strengerer Ansatz zum Testen und \u00dcberpr\u00fcfen von Automatisierungsskripten hat m\u00f6glicherweise den \u201esubtilen Fehler\u201c entdeckt, bevor er Chaos anrichtete.<\/p>\n

\u00dcber Graeme Caldwell - Graeme arbeitet als Inbound-Vermarkter f\u00fcr InterWorx<\/a>, ein revolution\u00e4res Webhosting-Kontrollfeld f\u00fcr Hosts, die Skalierbarkeit und Zuverl\u00e4ssigkeit ben\u00f6tigen. Folgen Sie InterWorx auf Twitter unter @interworx<\/a>Gef\u00e4llt mir ihnen auf Facebook<\/a> und schau dir ihren Blog an, http:\/\/www.interworx.com\/community<\/a>.<\/p>\n

 <\/p>\n

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<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Very few of us in the web hosting industry will ever have the need to scale to the level that services like Dropbox do. With that said, when a service the size of Dropbox makes a misstep that leads to an outage, it is worth paying attention to the causes and impact to see if 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