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statfs / statvfs

  • statfs=base: Aggregate details from all branches using their base directory.
  • statfs=full: Aggregate details using the full path of the file requested. Limiting it to only branches where the file exists.
  • Defaults to base.

statvfs normalizes the source filesystems based on the fragment size and sums the number of adjusted blocks and inodes. This means you will see the combined space of all sources. Total, used, and free. The sources however are dedupped based on the filesystem so multiple sources on the same drive will not result in double counting its space. Other filesystems mounted further down the tree of the branch will not be included when checking the mount's stats.

statfs_ignore

Modifies how statfs works. Will cause it to ignore branches of a certain mode.

  • statfs_ignore=none: Include all branches.
  • statfs_ignore=ro: Ignore available space for branches mounted as read-only or have a mode RO or NC.
  • statfs_ignore=nc: Ignore available space for branches with a mode of NC.
  • Defaults to none.