XFS Features (Inodes)

• Dynamically allocated in clusters

  • Default to 2 fs blocks per cluster

• Inode size is mkfs option

  • Fixed core, variable sized fork for extents, directory entries ...
  • 256 byte default, 4Kbyte maximum

• Extended attribute fork

  • name=value pairs
  • Used for ACLs, Capabilites + DMAPI