This is a Stacki Cheat Sheet

Reinstall backend nodes - preserve data

# stack set host boot a:backend action=install

% Check
# stack list host

% Reboot
# stack run host command="reboot"

(or powercycle - however your site does that)

Reinstall backend nodes - nuke data

# stack set host attr a:backend attr=nukedisks value=True
# stack set host boot a:backend action=install

% Check
# stack list host

% Reboot
# stack run host command="reboot"

(or powercycle - however your site does that)