Remove data inside osd disk

Question

Hi,

I have added an old disk to my Ceph cluster, but seems there are old Ceph data inside it, and unable to create osd, how to remove it

Answer 1

There are two 3 methods,
 

1) Boot into Gartmed and format the disk
2) user fdisk and format the partition, then reboot the node
3) Run ceph-volume lvm zap --destroy /path_to/disk  (recommended)