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Why enabling Jumbo Frames (MTU) on switch is so important

  • Troubleshooting
  • June 17, 2015

Symptoms

Most common symptom is SAN freezing. You will definitely notice if that happens 🙂

Rare symptoms are:

  1. Storage performance degradation (XXXXms) messages in StarWind and Windows Application logs.
  2. Storage becomes unreachable due to freezes and performance degradation.
  3. Synchronization might get lopped (more information about that can be found here: http://knowledgebase.starwindsoftware.com/explanation/synchronization-process-is-looped/

Solution

Enable Jumbo Frames (MTU) of switch and check that it is enabled on all network interfaces that are presented to StarWind.

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Hey! Looking to deploy a new, easy-to-manage, and cost-effective hyperconverged infrastructure?
Alex Bykovskyi
Alex BykovskyiStarWind Virtual HCI Appliance Product Manager
Well, we can help you with this one! Building a new hyperconverged environment is a breeze with StarWind Virtual HCI Appliance (VHCA). It’s a complete hyperconverged infrastructure solution that combines hypervisor (vSphere, Hyper-V, Proxmox, or our custom version of KVM), software-defined storage (StarWind VSAN), and streamlined management tools. Interested in diving deeper into VHCA’s capabilities and features? Book your StarWind Virtual HCI Appliance demo today!