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Tags: hard-drive   performance   benchmarks  
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Title: Benchmarking a HDD using the Benchmark utility in "Disks" on Ubuntu 16.04
ID: /2018/05/09/Benchmarking-a-HDD-using-the-Benchmark-utility-in-_Disks_-on-Ubuntu-16.04
Created: May 9, 2018
Upload: November 24, 2022    Layout:  post
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hdparm is a standard CLI for testing disk speed and the drives don’t have to be mounted (when doing read tests).

$ sudo hdparm -tT /dev/nvme0n1

 Timing cached reads:   20760 MB in  1.99 seconds = 10414.33 MB/sec
 Timing buffered disk reads: 5104 MB in  3.00 seconds = 1701.12 MB/sec

$ sudo hdparm -tT /dev/sdb

 Timing cached reads:   18822 MB in  1.99 seconds = 9442.74 MB/sec
 Timing buffered disk reads:  80 MB in  3.08 seconds =  26.01 MB/sec

The first drive is an SSD and the second drive is a USB pen drive.

⇧ Something similar to GNOME's AlternateTab on Unity? Why can't I cd to a quoted tilde ('~')?  β‡©