02 Oct 09 Linux Consultant – Disk Speed
Using hdparm it’s pretty easy to find out your disk’s readLinux Consultant – Disk Speed speed. hdparm is actually an entire IDE/SATA management utility.
Firstly, ensure that you have the tool – apt-get install hdparm
Once done, quite simply use hdparm with -t or -T options to time buffered reads and cache reads respectively. Be VERY careful about other options that hdparm offers, some are very dangerous and can completely corrupt your data.
apnic03:~# hdparm -t /dev/sda
/dev/sda:
Timing buffered disk reads: 200 MB in 3.00 seconds = 66.57 MB/sec
apnic03:~# hdparm -T /dev/sda
/dev/sda:
Timing cached reads: 4372 MB in 2.00 seconds = 2187.38 MB/sec
Tags: disk read, hdparm, ide, Linux, linux consultant, sata
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I'm Adam Palmer, and I'm a PHP Programmer, Web Security Consultant, and Linux Consultant.
I run 'APNIC Solutions Ltd' and spend most of my time consulting, managing server clusters, and writing PHP, whilst what little spare time I have is dedicated to playing with gadgets.
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