[ltp] Re: [FYI] Enabling full SATA II speed on T61/X61 ThinkPads

Stefan Monnier linux-thinkpad@linux-thinkpad.org
Mon, 26 Jul 2010 00:43:09 +0200


>> $ dd if=/dev/zero of=/tmp/output bs=8k count=256k
>> 262144+0 records in
>> 262144+0 records out
>> -2147483648 bytes (2.1 GB) copied, 23.389 s, 91.8 MB/s
>> +2147483648 bytes (2.1 GB) copied, 18.7319 s, 115 MB/s
> I think something like this would give better results:
> sync ; time { dd if=/dev/zero of=/tmp/output bs=8k count=256k ; sync ; }

Or you could try "hdparm -tT /dev/foo"


        Stefan "Who gets 130MB/s on his PATA-limited T60 with an SSD"