题目内容

A system administrator has determined that the /development filesystem needs to be changed from JFS to JFS2 to take advantage of the new capabilites available in JFS2. What is the method to convert the /development filesystem from type JFS to JFS2?()

A. Umount the /development filesystem and remount it using the following command: mount -t jfs2 /development
B. Edit the /etc/filesystems file to change the type paramter to "jfs2" and change the log parameter to "jfs2log"
C. Backup the /development filesystem data, delete the JFS /development filesystem, create the new JFS2 /development filsystem, and restore the data to the /development filesystem
D. Backup the /development filesystem data, change the /development filesystem using the following command,chfs -t type=jfs2 /development.then, restore the data to the /development filesystem

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