Am 22.04.19 um 17:00 schrieb Gandalf Corvotempesta: > Il giorno lun 22 apr 2019 alle ore 16:58 Reindl Harald > <h.reindl@xxxxxxxxxxxxx> ha scritto: > >> * first: replace one disk after the next with typical rebuild > > Sure, but as these disks are very old (many years running h24), there > is an high chance that during > a rebuild, the "source" disk fails. I have to keep data safe as much > as possible. you hardly can avoid the read on the source disks anyways in case of RAID10 i would just pull half of the disks (you notice when it was the wrong "pair") and move on with rebuild on half of the array with new ones, in case everything goes wrong the rmeove ones hold the complete dataset for other than RAID1/RAID10 you have no other option than go ahead and do it
