Great information to know. That sounds like a very nasty situation. -- Thanks, Gene Brandt SCSA 8625 Carriage Road River Ridge, LA 70123 home 504-737-4295 cell 504-452-3250 Family Web Page | My Web Page | LinkedIn | Facebook | Resumebucket On Thu, 2011-01-06 at 12:40 -0800, John R Pierce wrote: > On 01/06/11 11:11 AM, Gene Brandt wrote: > > Thanks for that bit of advice. I've never been able to recover from > > hardware raid on any Intel system. The software raid is simple to > > configure and it works! > > its not actually hardware raid. > > when you set the 'raid mode' in the BIOS, at power up it sets a bit in > the ICH chip which changes its PCI DeviceID from 'regular SATA > controller' to 'Intel Matrix FakeRaid'. thats *ALL* it does, change > the device ID. no other hardware changes. the controller is still a > plain old multiport SATA controller. > > the device ID is used to pick which driver by the OS plug-n-play > stuff. the regular setting choses the regular SATA driver while the > 'fakeraid' setting loads the fakeraid driver (dmraid in Linux). the > fakeraid driver implements all the raid in the device driver. This is > only really useful for MS Windows non-Server distributions which don't > support native mirroring or whatever in the OS. > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20110106/2126bc1a/attachment-0005.html>