global { usage-count yes; udev-always-use-vnr; } common { net { protocol C; # v9 fencing resource-only; #fencing resource-and-stonith; allow-two-primaries yes; } options { quorum majority; #quorum-minimum-redundancy 2; on-no-quorum io-error; } handlers { quorum-lost "echo b > /proc/sysrq-trigger"; } disk { read-balancing when-congested-remote; } } include "drbd.d/*.res";