No. Use "ceph osd set noout" before doing the upgrade and "ceph osd unset noout" afterwards.
Wait for the Ceph cluster being healthy again between node reboots.
No. Use "ceph osd set noout" before doing the upgrade and "ceph osd unset noout" afterwards.
Wait for the Ceph cluster being healthy again between node reboots.
No, to the left is the button "Manage Global Flags".
If you set an OSD to "out" manually, all data from it will be drained. This is not what you want during an upgrade. This is done before replacing a faulty disk.