m2 mach_down[3880]: info: /usr/lib/heartbeat/mach_down: nice_failback: foreign resources acquired

m2 mach_down[3880]: info: mach_down takeover complete for node m1.mydomain.com.

m2 heartbeat: [3739]: info: mach_down takeover complete.

Если просто выключить питание узла m1, чтобы он не успел оповестить m2 о том, что он завершает свою работу, m2 обнаружит отсутствие m1 и точно так же возьмет на себя функции ведущего узла и примонтирует раздел /dev/drbd0:

m2 kernel: drbd0: PingAck did not arrive in time.

m2 kernel: drbd0: drbd0_asender [3566]: cstate Connected --> NetworkFailure

m2 kernel: drbd0: asender terminated

m2 kernel: drbd0: drbd0_receiver [3510]: cstate NetworkFailure --> BrokenPipe

m2 kernel: drbd0: short read expecting header on sock: r=-512

m2 kernel: drbd0: worker terminated

m2 kernel: drbd0: drbd0_receiver [3510]: cstate BrokenPipe --> Unconnected

m2 kernel: drbd0: Connection lost.

m2 kernel: drbd0: drbd0_receiver [3510]: cstate Unconnected --> WFConnection

m2 heartbeat: [3739]: WARN: node m1.mydomain.com: is dead

m2 heartbeat: [3739]: WARN: No STONITH device configured.

m2 heartbeat: [3739]: WARN: Shared disks are not protected.

m2 heartbeat: [3739]: info: Resources being acquired from m1.mydomain.com.

m2 heartbeat: [3739]: info: Link m1.mydomain.com:eth2 dead.

m2 harc[4383]: info: Running /etc/ha.d/rc.d/status status