@udrolshagen: "Hi,
we are about to aquire a new Primergy TX150. I can not find any information on 
support of the Intel ICHx sata raid controller in the Hardware Notes of 8-
Stable. Does anybody know?
Thank you very much for your support
Ulrich Drolshagen 
<url>
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    @freebsd: "<quote>
All revisions of the ICHxx series are supported (ICH3 to ICH10 I can
confirm).
If you plan on using the RAID functionality of the chipset (otherwise
known as "MatrixRAID" or "Matrix Storage Technology"), don't bother[1].
Instead, enable AHCI on the controller (usually in the system BIOS) and
use one of FreeBSD (software/OS-level) RAID/RAID-like implementations
such as gmirror, gvinum, or ZFS.
I'd also recommend using ahci.ko instead of ataahci.ko for AHCI support.
achi.ko provides a AHCI/SATA-to-CAM translation layer (which means you
gain benefits like NCQ; disks show up as adaX), while ataahci.ko (the
default) does not use CAM (and does not support NCQ; disks show up as
adX).
You can use ahci.ko by placing 'ahci_load="yes"' in /boot/loader.conf,
or when booting a FreeBSD installation medium, dropping to the loader
prompt and typing "load ahci" then "boot".
[1]: <url>
| Jeremy Chadwick                                   <email_address> |
| Parodius Networking                       <url> |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |
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    @spawk: "<quote>
While it probably won't be done in time to be immediately useful to the 
original poster, I am working on a GEOM-based ataraid replacement that 
will behave better.
-Boris
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    @udrolshagen: "Am Donnerstag 03 Juni 2010 schrieb Jeremy Chadwick:
<quote>
Indeed much to consider. Thank you Jeremy for your suggestions
Ulrich
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