Hello Neil, Friday, October 16, 2015, 3:15:59 AM, you wrote: > I strongly recommend adding a write-intend bitmap > mdadm --grow /dev/md0 --bitmap=internal > that will speed up the resync enormously. thanks for the hint, will do so as soon as the current resync has finished. > This is a rather ancient kernel. > The "el" suffix probably suggests Redhat? sorry, forgot to mention: it's Centos5.11 -- Best regards, Rainer mailto:rfu@xxxxxxxxxx -- 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