[CentOS] Re: SATA Native Command Queuing

Kay Diederichs kay.diederichs at uni-konstanz.de
Sun Nov 26 10:22:36 UTC 2006

Aleksandar Milivojevic wrote:
> Matt wrote:
>> Does CentOS support NCQ on SATA drives?  If so is there something I
>> must do to turn this support on?
> NCQ was planned for kernel 2.6.18, but I haven't checked if it actually
> made it there.  CentOS 5 should have at least that version of kernel
> (RHEL5 beta 2 uses 2.6.18).  There's always probability that RH will
> backport it to 2.6.9.

kernel 2.6.18 supports NCQ if the driver is e.g. ahci or sata_sil24 
(i.e. not sata_nv, ata_piix, sata_sil). See http://linux-ata.org/ and 


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