Hard Drive Speed
Konstantin Svist
fry.kun at gmail.com
Thu Nov 1 22:08:47 UTC 2007
Alan Cox wrote:
> Picking drives with NCQ is enormously helpful.
>
Wow, didn't know about this feature!
Turns out some of my drives actually have NCQ but unfortunately the SATA
controllers don't seem to be compatible/supported (nvidia MCP51,
broadcom BCM5785 [HT1000]). Next time I'll check if the motherboard
supports NCQ before buying :)
Here's what I see in dmesg:
ata2.00: 586070255 sectors, multi 16: LBA48 NCQ (depth 0/32)
On further inspection, MCP51 should support NCQ:
http://lkml.org/lkml/2007/6/26/477
Seems it's in the -mm tree, if I'm not mistaken? Guess I'll wait for it
to become merged into mainline.
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