Your file system doesn't support User Defined Attributes or they are not enabled

Information below will help you to find whether your file system supports User Defined Attributes:

• In Linux, the ext2, ext3, ext4, JFS, Squashfs, Yaffs2, ReiserFS, XFS, Btrfs, OrangeFS, Lustre, OCFS2 1.6 and F2FS support User Defined Attributes.

  Enabling extended attributes on Linux

  Go to /etc/fstab and add "user_xattr" to the options section of the line regarding the file-system you'd like to enable extended attributes on. Such a line might look like:

  /dev/sda1 / ext4 errors=remount-ro,user_xattr 0 1

• In Windows only NTFS supports User Defined Attributes
• In FreeBSD only UFS2 supports User Defined Attributes
• In Mac OS HFS+ supports User Defined Attributes
• Solaris version 9 and later allows files to have "extended attributes"