Comments on: Simple Disk Benchmarking in Linux Using ‘dd’ https://systembash.com/simple-disk-benchmarking-in-linux-using-dd/ Technology and System Administration Mon, 25 Feb 2013 02:02:00 +0000 hourly 1 https://wordpress.org/?v=6.3.1 By: StackLinux https://systembash.com/simple-disk-benchmarking-in-linux-using-dd/#comment-42052 Mon, 25 Feb 2013 02:02:00 +0000 http://systembash.com/?p=1256#comment-42052 Nice. Thanks! <3 my server: 

# dd bs=1M count=512 if=/dev/zero of=test conv=fdatasync
512+0 records in
512+0 records out
536870912 bytes (537 MB) copied, 0.590489 s, 909 MB/s

]]> By: Dave Drager https://systembash.com/simple-disk-benchmarking-in-linux-using-dd/#comment-42010 Mon, 26 Mar 2012 15:27:00 +0000 http://systembash.com/?p=1256#comment-42010 In reply to Hiperguru.

Maybe, but this is a bad way to go about it because if memory is ‘buffering’ the write, like it is designed to, you still do not get accurate disk speed times. 

]]> By: Hiperguru https://systembash.com/simple-disk-benchmarking-in-linux-using-dd/#comment-42009 Mon, 26 Mar 2012 13:43:00 +0000 http://systembash.com/?p=1256#comment-42009 If on a linux machine with 4GB of memory one could create a file that’s 5GB – would it be written directly to the disk w/out being loaded in memory ?

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