IP Multipathing Setup In Nexenta

Posted on April 9, 2013 by Matt Vogt

A feature added in NexentaStor 3.1.4 is the ability to configure IP Multipathing (IPMP) groups via the management console (NMV) rather than having to drop to the shell and configure it manually.

IPMP has two purposes: fault-tolerance and outbound traffic load spreading. While there’s a lot of overlap between Link Aggregation and IPMP, there are some key differences. For more on that, you can read Nicolas Droux’s great write up:
https://blogs.oracle.com/droux/entry/link_aggregation_vs_ip_multipathing.

By default, NMV created IPMP groups with link based failure detection rather than probe based. Link based detection is lighter than probe based as it relies on the lower level detection link state rather than a test IP address.

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Interop 2012 – HP Networking Innovations on Display

Posted on June 12, 2012 by Matt Vogt

This is post is a long time coming, but starting a new job will do that :)

I’ve long wanted to attend the Interop tech conference and was able to attend the Las Vegas installation this year by invite from HP/Ivy Worldwide. I was really hoping to make the Mumbai show, but I guess it wasn’t in the budget. It’s primarily a networking focused conference, but with datacenter virtualization technologies converging (you may have heard the term Converged Infrastructure), virtualization admins cannot afford to pass off more complex networking infrastructures to a ‘networking guy’.

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