Re: SATA-performance: Linux vs. FreeBSD

Jeff Carr
2007-02-13T19:01:07Z

On 02/12/07 08:37, Martin A. Fink wrote:

> :~> strace -c -T -o trace.out dd if=/dev/zero of=test.txt bs=10MB count=200
>
> 200+0 Datensätze ein
> 200+0 Datensätze aus
> 2000000000 bytes (2,0 GB) copied, 52,8632 seconds, 37,8 MB/s

You might want to check the raw write & read speed to the device
without a filesystem. Also, your previous email didn't include xfs.
xfs has very good sustained write performance.

dd if=/dev/zero of=/dev/sdX bs=10MB count=200
dd of=/dev/null if=/dev/sdX bs=10MB count=200