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From the Chief Technology Officer at Marathon Technologies

Jerry Melnick

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A Closer Look at System-Level Fault Tolerance

At VMworld we demonstrated our everRun VM Lockstep Option for Citrix XenServer 5

Last week at VMworld we demonstrated our everRun VM Lockstep Option for Citrix XenServer 5. Despite the decrease in foot traffic on the show floor, the turnout was much higher than expected. High airline prices (or possibly just the Vegas night life :)) may have kept some people away, but we presume our high turnout was a result of the increase in innovative sessions and seminars.

For those of you who weren’t able to attend or were there but didn’t get an up-close look at our everRun VM Lockstep demo, Michael Keen (a.k.a. C1tr1xguru) shot this video of our CTO, Jerry Melnick, giving an in-depth demonstration of system-level fault tolerance for virtual environments. Thanks for stopping by Michael.

Our demonstration gave visitors an inside look at all three levels of availability:

1. XenServer HA: Level One: Failover High Availability standard with XenServer 5 Enterprise and Platinum Editions for failure detection and auto-restart and failover capabilities applications that cannot endure extended periods of downtime.

2. everRun VM: Level Two: Component-Level Fault Tolerance for business-critical applications, which require little or no downtime (such as ERP and CRM).

3. everRun VM Lockstep Option: Level Three: System-Level Fault Tolerance (available Q1 2009) for the most critical applications, which require zero downtime and zero data loss.

If you had a chance to attend the demonstration we would love to hear your feedback.

Read the original blog entry...

More Stories By Jerry Melnick

Jerry Melnick (jmelnick@us.sios.com) is responsible for defining corporate strategy and operations at SIOS Technology Corp. (www.us.sios.com), maker of SIOS SAN and #SANLess cluster software (www.clustersyourway.com). He more than 25 years of experience in the enterprise and high availability software industries. He holds a Bachelor of Science degree from Beloit College with graduate work in Computer Engineering and Computer Science at Boston University.