> -----Original Message----- > From: centos-bounces at centos.org > [mailto:centos-bounces at centos.org] On Behalf Of Ruslan Sivak > Sent: Thursday, May 10, 2007 3:44 PM > To: CentOS mailing list > Subject: Re: [CentOS] Re: Anaconda doesn't support raid10 > > Ross S. W. Walker wrote: > >> How would I know if my system is using NCQ? I think my > >> drives and card > >> should support it. > >> > > > > Get the controller make/model and look it up, then get the drives > > make/model and look it up. If they both support NCQ then you should > > be good. > > > > While your there get the sustained data transfer rate, total read > > seek time (includes rotational latency) and total write seek time. > > > > -Ross > > > > > > I can get all that data, but can I actually test it somehow? > Does linux > know anything about NCQ, or is everything abstracted to the > controller? Good question, not knowing the answer I did a quick google and this came to the top: http://linux-ata.org/driver-status.html another good one, http://blog.kovyrin.net/2006/08/11/turn-on-ncq-on-ich-linux/ Looks like support wasn't added until 2.6.18 and isn't widely supported until 2.6.19 and 2.6.20. -Ross ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.