Messages in this thread |  | | Date | Tue, 13 Jun 2006 13:20:55 -0300 | From | "Matheus Izvekov" <> | Subject | Re: How does RAID work with IT8212 RAID PCI card? |
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On 6/13/06, Lennart Sorensen <lsorense@csclub.uwaterloo.ca> wrote: > On Tue, Jun 13, 2006 at 05:58:45PM +0200, Christian H?rtwig wrote: > > i need some advise regarding the usage of the above kernel module. Today i > > have plugged a PCI RAID card into my computer, IT8212 chip on it, and two > > identical hard drives on the primary and secondary master of that controller. > > In the controller BIOS i defined a mirror set out of those both disks and > > booted linux afterwards. > > > > Loading the kernel module dmesg showed that the controller was found and that > > 2 harddiscs are attached to it. > > > > The thing that i wonder about is, that i still can "see" both harddisks > > independently, but i would expect to see only one harddisk at all, that > > represents the RAID set. Udev also registers /dev/hde and /dev/hdg, but (as > > far as i can see) no further device. > > > > Is there anything wrong about my setup? Is this i driver issue? Or is this the > > normal and expected behaviour and its me who doesn't "use" the module > > properly? How to i access the RAID set instead of the two seperate disks? > > Congratulations. You have a fake raid card by the sound of it. A > hardware raid card would have only shown one drive, while a fake raid > card expects the driver to work with the bios to find out the setup (and > handle booting), and then the driver does all the raid work in software. > > It is much simpler to treat fake raid cards as just another drive > controller and use linux software raid on it. At least then you know > how it works, and it is portable to other controllers later if needed. > > Len Sorensen > -
No not true, i have this card and its a true hardware raid card. The thing is, this card has both a raid and a passthru mode, you should check which bios is flashed into it. Google is your friend. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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