Janek Kozicki <janek_listy@xxxxx> writes: > Hi, > > I finished copying all data from old disc hdc to my shiny new > RAID5 array (/dev/hda3 /dev/sda3 missing). Next step is to create a > partition on hdc and add it to the array. And so I did this: > > # mdadm --add /dev/md1 /dev/hdc3 > > But then I had a problem - the /dev/hdc3 was a spare, it didn't > resync automatically: Strange. That is exactly how I always do it and it always just worked. mdadm should start syncing on any spare as soon as a disk fails or you add the spare to a degraded array afaik. No special "start now" interaction needed. MfG Goswin - 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