单选题An operator just completed a repair to a disk subsystem that contains a disk heartbeat. Before returning the system back into production mode, there is a requirement to verify the disk heartbeat is functioning. How should the operator determine if the
题目
单选题
An operator just completed a repair to a disk subsystem that contains a disk heartbeat. Before returning the system back into production mode, there is a requirement to verify the disk heartbeat is functioning. How should the operator determine if the disk heartbeat network functioning?()
A
Use the clinfo command to monitor the disk heartbeat
B
Use the mail command to check for messages form HACMP
C
Use the dhbread command to verify the disk heartbeat link
D
Use the clstat command to verify the appropriate network connections are available
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