> .. > > this is in principle the right thing for this kind of software raid. > > the dmraid tool is there to support this type of software raid (bios > > supported raid) but I don't think it supports adaptec raid yet... > > > > A software raid controller? Never heard of such a beast before. it's software raid but with support from the cards bios so that you can boot from it. > I always thought that there are exactly two ways to do raid, > one way is to have it all hidden in the controller, which makes the > RAID mirror appear as just a single disk to the kernel, > and the other way is to use the kernel software raid this is basically a correct understanding, and your card is of the second type. > (configured with > mdadm). there are multiple classes of software raid now; some are driven by device mapper. > I've never heard of a software raid controller, where the kernel must > do the work itself. After all, what's the controller's job and > why is it called a RAID controller then? marketing speak... the kernel does all the work. just they sell you a driver for windows that hides this, as well as a bios rom that allows you to boot from it.... but other than that it's just software raid. > But I guess we have to use software (i.e. kernel driven, mdadm) raid > then? > as I said, dmraid (using device mapper) is designed for this type of software raid... - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
