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Short-Take: iSCSI+Nexenta, Performance Notes

September 14, 2010

Here are a few performance tips for running iSCSI with NexentaStor in a Windows environment:

  1. When using the Windows iSCSI Software Initiator with some workloads, disabling the Nagle Algorithm on the Windows Server is sometimes recommended;
  2. Tuning TCP window and iSCSI parameters on each side of the connection can deliver better performance;
  3. VMware part of the equation? Adjusting the way VMware handles congestion events could be useful;
  4. On NexentaStor, disable the Nagle Algorithm with a value of “1” (default, 4095, enabled)

For storage applications where latency is a paramount issue, these hints just might help…

One comment

  1. Hi Collin

    Great common sense, no bullshit stuff, which is hard to find.
    Hope this message finds you and the doing family well.

    All the best

    Terry Vercoe – Auckland, NZ

    Like



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