One of my WD PR2100 disks is showing a solid red light.
I suppose I have to replace the disk with a new one?
My question is, the RAID modus is RAID 1, will the volume recover itself ?
Do I have only replace the disk or is there more to do ?
Is it absolutely necessarily (I know it is always better but I do not have the possibility) to make a backup first ?
Thanks for the support !