A Linux system administrator has successfully extended a logical volume formatted with the XFS filesystem. The administrator now needs to expand the filesystem to utilize the newly allocated space. The filesystem is currently mounted on /data. Which of the following commands should the administrator use to complete this task?
The correct command to expand a mounted XFS filesystem is xfs_growfs. This command is specifically designed for XFS filesystems and can perform an online resize, meaning the filesystem can remain mounted and active. The resize2fs command is incorrect because it is used for resizing ext2, ext3, and ext4 filesystems, not XFS. The lvextend command is used to extend the logical volume itself, which is the underlying block device; the scenario states this step has already been completed. The mkfs.xfs command is used to create a new XFS filesystem, which would be destructive to the existing data on the /data mount.
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Why does XFS require the xfs_growfs command for resizing?
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What is the difference between resizing a logical volume and resizing the XFS filesystem?
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What would happen if mkfs.xfs were used on an existing filesystem?
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