How do I test disk with FIO?

How do I test disk with FIO?

Using fio. Now you can use fio to benchmark storage. First, change directory to the location you actually want to test: if you run fio in your home directory, you’ll be testing your computer’s internal disk, and if you run it in a directory located on a USB portable disk, you’ll be benchmarking that portable disk.

What is FIO performance?

Flexible IO Tester (Fio) is a benchmarking and workload simulation tool for Linux/Unix created by Jens Axboe, who also maintains the block layer of the Linux kernel. Fio is highly tunable and widely used for storage performance benchmarking.

How run FIO test in Linux?

Use the following steps for this approach.

  1. Create a job file, fiorandomrwlatency.fio, with the following: Copy. [global] bs=4K iodepth=1 direct=1 ioengine=libaio group_reporting time_based runtime=120 numjobs=1 name=rwlatency-test-job rw=randrw [job1] filename=device name.
  2. Run the job using the following command: Copy.

How do I test disk IOPS in Linux?

Linux and Unix Test Disk I/O Performance with DD Command

  1. How to Test Hard Disk using DD Command? Open your Linux root terminal and add the following command- $ sudo dd if=/dev/zero of=/tmp/test1.img bs=1G count=1 oflag=dsync. …
  2. Understanding DD Command. …
  3. Use DD command on Linux to test read speed.

How do you measure disk performance?

Test the performance of your hard disk

  1. Open Disks from the Activities overview.
  2. Choose the disk from the list in the left pane.
  3. Click the menu button and select Benchmark disk… from the menu.
  4. Click Start Benchmark… and adjust the Transfer Rate and Access Time parameters as desired.

What is FIO size?

If not set, fio will use the full size of the given files or devices. If the files do not exist, size must be given. It is also possible to give size as a percentage between 1 and 100. If size=20% is given, fio will use 20% of the full size of the given files or devices.

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