Ceph disk upgrade procedure
I will use osd.32 in this example
Find your OSD physical device path (/dev/sdxx)
cephadm ceph-volume lvm list
Look for devices section next to ====== osd.32 =======
Mine is /dev/sdaj
Mark
Don't break your Debian - Unstable repositories
If you have been using Debian for a longer period of time, likely you have added unstable repositories to your apt at some point. Later with a system update/upgrade you might have