• Data Center Outage Cited in Visa Downtime Across Canada

    January 28th, 2013 : Rich Miller

    A data center power outage is being blamed for payment processing problems that prevented Visa card holders in Canada from using their cards for most of Monday. Read More

  • Data Center Power Loss Hits NJ Government Sites

    January 25th, 2013 : Rich Miller

    Web sites for state agencies in New Jersey were knocked offline Thursday afternoon by a power loss at a data center, disrupting access to state services and causes motor vehicles offices to close early. Read More

  • GitHub: Outage Caused by Failover Snafu

    December 27th, 2012 : Rich Miller

    The open source code repository GitHub experienced an extended outage last Saturday, which the site now attributes to failover sequences that triggered high levels of activity for network switches and file servers. Read More

  • Amazon Cloud Back Online After Major Christmas Outage

    December 25th, 2012 : Rich Miller

    Amazon Web Services says it has recovered from the latest major outage for cloud computing service, which affected large customers, including Netflix and Heroku. Read More

  • The Year in Downtime: Top 10 Outages of 2012

    December 17th, 2012 : Rich Miller

    The major downtime incidents of 2012 illustrate the range of causes of outages - major disasters, equipment failures, software behaving badly, undetected Leap Year date issues, and human error. Each incident caused some pain for customers and end users, but also offered the opportunity to learn lessons that will make data centers and applications more reliable. Read More

  • Load Balancer Misbehavior Cited in Google Outage

    December 12th, 2012 : Rich Miller

    According to an incident report, Monday's Gmail outage was indeed caused by a software update causing a networking issue, specifically in Google's load balancers, as we had theorized. Read More

  • Why Does Gmail Go Down?

    December 10th, 2012 : Rich Miller

    There have been a number of Gmail outages over the years, usually involving software updates or networking issues. Here's a look at these outages, and what they may tell us about today's issues. Read More

  • Which Countries Are Most Vulnerable to A Kill Switch?

    December 1st, 2012 : Rich Miller

    Can instability in a foreign country disrupt your global network? That question is one again on the minds of the IT infrastructure community after Syria was disconnected from the Internet earlier this week. Rensys has some answers. Read More

  • Syria Experiencing Internet Blackout

    November 29th, 2012 : Rich Miller

    The country of Syria is almost completely cut off from the Internet, according to leading monitoring services. "In the global routing table, all 84 of Syria's IP address blocks have become unreachable, effectively removing the country from the Internet," Renesys reported. Read More

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