On Tuesday September 5, alan.gibson@xxxxxxxxx wrote: > hello all, first message to this group. > > Ive recently created a 3 disk raid5 using mdadm. file copy to this > array fails consistently after a few gigs. the array does not die > completely, but rather it is marked readonly. What kernel? Have you tried running memtest? It sounds a lot like a hardware error, though there was a bug in 2.4.0 that could have caused this sort of thing.... NeilBrown - 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