Perform the following steps on ncn-m001.
(ncn-m001#) Run the script to ensure the local BOOTRAID has a valid kernel, initrd, and grub.cfg.
pdsh -b -w $(grep -oP 'ncn-\w\d+' /etc/hosts | sort -u | tr -t '\n' ',') '
/opt/cray/tests/install/ncn/scripts/check_bootloader.sh
'
If the script fails because of ‘Host key verification’ failures, then follow the documentation to Apply root SSH keys to NCNs.
If this is a storage node rebuild, proceed to the next step to Re-add Storage Node to Ceph. Otherwise, return to the main Rebuild NCNs page.