torsdag 4. mars 2010

Google Apps Now Disaster Proof

Many of us take the disaster readiness of servers and data centers for granted. But for IT admins from both small and large companies, being prepared for disaster and emergency situations is complicated and expensive issue. Google has made an announcement today for any enterprise users of Google Apps; assuring IT admins that the suite is now fully prepared for disaster recovery. Rajen Sheth, Senior Product Manager, Google Apps, tells us that as of recently, Google is prepared for disaster recovery for all of its products in the Google Apps suite, which include Gmail, Google Docs, Google Sites, Google Calendar, Google Talk and Google Video.

Google's secret sauce is live and synchronous replication. So every action you take in Gmail is immediately replicated in two data centers at once, so that if one data center fails, Google will transfer data over to the other one. Traditionally, Google says, synchronous replication can be very expensive for companies. For example, the cost to back up 25GB of data with synchronous replication can range from $150 to $500+ in storage and maintenance costs per employee. Google says that exact price depends on a number of factors such as the number of times the data is replicated and the choice of service provider. Of course, Google replicates all the data multiple times, and the 25GB per employee for Gmail is backed up for free. And data from Google Docs, Google Sites, Google Docs, Google Calendar, Google Talk and Google Video, which encompass most of the applications in Google Apps, is also synchronously replicated for free.

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