Tag: vdbench

How to run vdbench benchmark on any HCI with X-Ray
By: Date: March 23, 2020 Categories: X-Ray Tags: ,

How to use Nutanix X-Ray to run any vdbench workload at scale Many storage performance testers are familiar with vdbench, and wish to use it to test Hyper-Converged (HCI) performance. To accurately performance test HCI you need to deploy workloads on all HCI nodes. However, deploying multiple VMs and coordinating vdbench can be tricky, so…

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Things to know when using vdbench.
By: Date: September 21, 2015 Categories: vdbench Tags: ,

Recently I found that vdbench was not giving me the amount of outstanding IO that I had intended to configure by using the “threads=N” parameter. It turned out that with Linux, most of the filesystems (ext2, ext3 and ext4) do not support concurrent directIO, although they do support directIO. This was a bit of a…

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