On 03/02/17 06:18, Boylan, Ross wrote: > When I moved the new disk to an internal drive bay (after reading lvm-raid wiki's statements that RAID shouldn't be used over a USB link) the problems went away--at least so far. > As I understand it, the problem is that the USB interface goes to sleep. So when you try to write to it, it may not wake up quick enough, causing havoc ... > I wonder if this is the source of my original problem: I was using a single disk RAID1 where the single disk had a USB connection. However, I did get a failure off that drive doing a dd off the raw device. > Quite likely. But I'm puzzled as to why the dd would fail, as this would keep the USB interface active. Maybe others who know more will chime in and explain. > > Ross Cheers, Wol -- 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
