Op 20-05-11 14:11, Phil Turmel schreef: > On 05/20/2011 05:33 AM, Paul van der Vlis wrote: >> >> The problem is about detected disks with a defect in the MBR. > > This is a crucial point. A BIOS that supports multiple drives in the > boot order should skip to the next if the MBR cannot be read. But > the BIOS loses control once the MBR code is executed. If an error is > encountered in later sectors of the bootloader, there's no way to > switch to the next drive. This is also true when the BIOS only > supports dissimilar devices in the boot order. I think you are right. > If I had to minimize the chance of this ever biting me, I'd use a CF > <==> IDE adapter with a DMA capable CF card, and set it up as my boot > device. And I wouldn't use it for anything but boot. A quick google > turned up this: > > http://www.addonics.com/products/flash_memory_reader/adidecf.asp In the servers I use, there is normally no place for such a cardreader. But a low profile PCI card with a CF card on it could do it. > (Just to show what's out there.) The embedded boards I use > occasionally have the equivalent of this soldered to their > motherboards. > > The best DMA capable CF cards are usually found in markets that cater > to industrial designers or to professional photographers. Do you think the risk of a problem with a CF card (or something like that) is much lower then the risk of a problem with a harddisk? And what about booting from an USB stick? With regards, Paul van der Vlis. -- http://www.vandervlis.nl -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
