单选题A pSeries server is being used as a file server and all data is stored on a non-root volume group and resides on mounted filesystems. Which of the following commands provides the quickest way to backup all of the data and filesystem definitions？（）AtarBcpioCsavefsDsavevg
单选题
A pSeries server is being used as a file server and all data is stored on a non-root volume group and resides on mounted filesystems. Which of the following commands provides the quickest way to backup all of the data and filesystem definitions？（）
A
tar
B
cpio
C
savefs
D
savevg
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