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From the Chief Technology Officer at Marathon Technologies

Jerry Melnick

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Q & A for the May 20th Webinar: Optimizing Exchange 2007 Availability

We had some great questions during the Q & A session of our May 20th webinar with myself, Michael Bilancieri, along with Tom Reed here at Marathon. I’ve posted the questions and responses here on our blog for everyone’s benefit. This webinar was recorded in case you weren’t able to attend, click here to view the webcast!


Q: Does everRun work on all XenServer versions?
A: Yes, everRun VM for XenServer supports the free version of XenServer as well as Essentials for XenServer Enterprise and Platinum Editions.

Q: When there is geographic diversity - what level of protection is reasonable?
A: This depends on the distance between the two sites and the network connecting them. For metro or regional separation (campus, across town, etc.) everRun fault tolerance can be implemented to provide resiliency to hardware and site failures. For longer distances or between sites that have slower/smaller networks, a disaster recovery solution may be appropriate. Disaster recovery typically involves asynchronous replication and failover capabilities.


Q: What amount of bandwidth is required between the main site and the disaster site?
A: This is going to vary depending on workloads protected and how high the activity level is. Higher activity requires higher bandwidth. At a minimum 150Mb is required.


Q: Can everRun be used in a remote location situation where there is geographic diversity for DR capabilities?
A: Yes. However this dependent on where your DR site is located in relation to your main site (metropolitan/campus wide vs. cross-country).


Q: Are there vLAN dependencies for SplitSite for Exchange?
A: A common subnet is required between the two locations. A vLAN would work fine.


Q: Are you currently developing for Exchange 2010?

A: everRun supports any Windows application without requiring changes or customization. Exchange 2010 should not add any additional requirements to everRun and should be seamlessly supported..

Q: Are there minimum requirements for ISCSI or fiber SAN?
A: We are storage agnostic and we don’t require shared storage or have specific requirements for storage connectivity. However There are some best practices that will help to ensure optimal performance. These can be found in our advanced concept guide, available on our website.


Q: Do you have a solution for SMB that works in the 50 user range?
A: Yes. Our everRun solution will work with any version of windows 2003 or 2008, 64-bit or 32-bit. We work for small scale solutions all the way up to enterprises.

Q: Can this be used with VMware as well?
A: Not at this time.


Q: Do you also support Exchange 2003?
A: Yes. We support Exchange Windows 2003 and 2007. everRun supports any application running on Windows Server 2003 and 2008.


Q: Do you work with other applications?
A: Our architecture sits underneath the operating environment, not at the application level, which allows us to support any and all Windows applications without changes or customization.

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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.