Dne, 19. 12. 2010 05:31:37 je Stan Hoeppner napisal(a):
What is the result of?
dd if=/dev/zero of=/some/filesystem/test count=100000 bs=8192
That will write an 810MB file of all zeros, and will give you a much
better idea of the raw streaming write performance vs copying files
from
the old 160GB drive to the new one. I would think the result should
be
a bit higher than 60MB/s.
Also, make sure you're using the deadline elevator instead of CFQ as
it
yields better performance, especially on SATA systems that don't
support
NCQ:
$ echo deadline > /sys/block/sda/queue/scheduler
You may want to add this to your boot scripts to make it permanent. I
roll this option as the default in my custom kernels.
Thanks for the suggestion, Stan. Using dd I get a much higher figure,
namely around 83 MB/s. Changing the elevator doesn't make a difference
on my system though.
--
Cheerio,
Klistvud
http://bufferoverflow.tiddlyspot.com
Certifiable Loonix User #481801 Please reply to the list, not to
me.
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