Which of the following is correct regarding the ext3 file system fault repair?

Which of the following is correct regarding the ext3 file system fault repair?
A . Use the mount command to view the file system mount status is read-only
B . mount the damaged file system, the direct implementation of fsck to repair
C . should not be arbitrary on the normal operation of the fsck file system
D . By collecting, var/log/message host log information to locate file system failure

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Answer: B