A PowerHA 6 cluster uses IPAT with aliasing and disk heartbeat. The administrator noticed the
standby node crashes during a failover test. There are entries related to the Dead Man Switch
(DMS) timeout in the AIX error log.
Which action is recommended to reduce the risk of DMS timeouts?

A.
Set Failure detection rate of Ethernet to normal.

B.
Set Failure detection rate of diskhb network module to slow.

C.
Create a RS232 heartbeat and set failure detection rate to delay.

D.
Dedicate a set of disks for disk heartbeat and set failure detection rate to delay.