Tag: Data Center

Split-Shared Technical Analysis

27 January 2008 by Rick

Split-Shared web hosting is a unique, technologically advanced method of delivering web-based services such as web sites, email, etc. The technology behind Split-Shared hosting is what sets it apart from traditional hosting services.

Using a combination of technologies including virtualization, server clusters, iSCSI SAN network storage, portable IP address space, proprietary resource monitoring and management, Split-Shared web hosting breaks the mold that was once "shared" hosting.

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11-3-07 Brief Outages on vhost-13

04 November 2007 by Rick

At approximately 10:15am November 3rd one of the Crucial web servers came under a massive coordinated DDOS (Distributed Denial of Service Attack). The attack came in three massive bursts which were effective in denying httpd service to clients of that host for very brief periods of less than 30 minutes each.

The attack came in a three separate, independent bursts which are illustrated below.

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Nagios Howto: Using NRPE To Monitor Remote Services

20 February 2007 by Rick

This whitepaper is a continuation to the previously article, Nagios Howto: Notification Escalations, EventHandlers & Remote Service Monitoring With NRPE.

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Nagios Howto: Notification Escalations, EventHandlers & Remote Service Monitoring With NRPE

18 February 2007 by Rick

From the Nagios website, "Nagios is an open source host, service and network monitoring program," however, this description is not as accurate as it could be. In it’s most basic state of configuration, Nagios is a fantastic tool for locally monitoring network devices and services.

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Does Your Host Do This?

15 February 2007 by Rick

You’ve got web hosting, great—but you have to ask yourself, what kind of hosting do you have? And is it the right kind of hosting?

Does your host provide a RAID1 shared hosting environment? Don’t know? Well, if they don’t, your just a hard drive failure away from being offline for up to 3-5 days, possibly longer, no kidding. The typical hard drive and OS repair at the leading data center, The Planet, takes up to 48 hours to complete, and then the work of restoring backups starts.

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Anatomy: A System Failure

10 February 2007 by Rick

…and why we fired The Planet. Early in the morning on February 7, one of the Crucial web servers suffered a hard drive failure. This was a legacy server from our older plans and did not have the RAID drive configuration that our new servers all have. There was definitely going to be some down time because the server had to be brought down, the drive physically replaced and the OS restored to the new drive before our administrators could even get their hands on it.

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