Hard drive speed test using Linux command line and hdparm
- I will use
/dev/sdcas our testing block device.
Note that all tests should be run multiple times and average time should be calculated to get more accurate result.
[crayon-6adc816516153711233166/]
Bypassing hard drive’s buffer cache memory thus reading directly from the disk.
[crayon-6adc816516161407151051/]
Read data from the second half of the disk that is if the hard drive size is 100GB.
[crayon-6adc816516163459788456/]
To obtain cached reads run the following command:
[crayon-6adc816516165874395773/]
[crayon-6adc816516153711233166/]
Bypassing hard drive’s buffer cache memory thus reading directly from the disk.
[crayon-6adc816516161407151051/]
Read data from the second half of the disk that is if the hard drive size is 100GB.
[crayon-6adc816516163459788456/]
To obtain cached reads run the following command:
[crayon-6adc816516165874395773/]