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Date: Sun, 17 Apr 2011 22:45:38 +0400
From: Lystopad Olexandr <laa@laa.zp.ua>
To: Jeremy Chadwick <freebsd@jdc.parodius.com>
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Cc: freebsd-stable@freebsd.org, Lystopad Olexandr <laa@laa.zp.ua>
Subject: Re: ZFS root on MB Intel S3420GP
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 Hello, Jeremy Chadwick!

> > > With regards to AHCI mode: Most of us strongly advocate use of ahci.ko
> > > (not ataahci.ko; they differ), which does SATA<->CAM translation.  You
> > > also gain NCQ capability using this.  Be aware your disks will appear as
> > > "adaX" (not a typo), and you will use "camcontrol" (rather than
> > > "atacontrol") to maintain them.  Utilities like smartmontools do work
> > > with this.  Many of us (users and developers) have been using ahci.ko
> > > reliably for 1-2 years now.
> > 
> > Simply add ahci_load="YES" in loader.conf? Or something else?
> 
> Correct.
> 
> I tend to do the following from the very beginning of a new FreeBSD box
> installation, however:
> 
> - Boot FreeBSD installation medium (PXE, CD, USB, whatever)
> - At beastie menu, escape to loader prompt and do "load ahci" then
>   "boot"
> - Install FreeBSD like usual, creating slices/partitions on adaX disks
>   like normal, etc...
> - When the system reboots, at the beastie prompt, make sure to escape to
>   loader and do "load ahci" then "boot" again.
> - Once the system is finally up, edit /boot/loader.conf to add
>   ahci_load="yes".


What about ahci_load="YES" after freebsd install? Is it too late?

Thank you for your quick answers!

-- 
 Lystopad Olexandr