单选题Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）A Run defragfs -r /data1； defragfs /data1B Run defragfs -r /dev/lv01； defragfs /dev/lv01C Back up the filesystem by name， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.D Back up the filesystem by inode， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.
单选题
Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）
A
Run defragfs -r /data1； defragfs /data1
B
Run defragfs -r /dev/lv01； defragfs /dev/lv01
C
Back up the filesystem by name， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.
D
Back up the filesystem by inode， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.
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