单选题A cluster administrator is concerned about using the forced varyon resource group function. Although the function provides increased data availability if it is enabled for a cluster resource group， management is concerned about data integrity. If a varyonvg command fails， an HACMP forced varyon will only occur if which of the following is true？（）A A loss of quorum has occurred on one of the disks in the failed volume group.B Selective fallover caused by an application moves a resource group to a takeover node.C A check is made to ensure at least one complete copy of all data is available in the volume group.D The MISSING_PV=TRUE environment variable has been set causing the volume group to be forced online.
单选题
A cluster administrator is concerned about using the forced varyon resource group function. Although the function provides increased data availability if it is enabled for a cluster resource group， management is concerned about data integrity. If a varyonvg command fails， an HACMP forced varyon will only occur if which of the following is true？（）
A
A loss of quorum has occurred on one of the disks in the failed volume group.
B
Selective fallover caused by an application moves a resource group to a takeover node.
C
A check is made to ensure at least one complete copy of all data is available in the volume group.
D
The MISSING_PV=TRUE environment variable has been set causing the volume group to be forced online.
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