tail: unrecognized file system type 0x61636673 on ACFS

Solution In Progress - Updated -


  • When running "tail -f" with a file residing on an Oracle ACFS (Advanced Cluster File System) filesystem we see the following message:
tail: unrecognized file system type 0x61636673 for `myfile.txt'. Reverting to polling.


  • Red Hat Enterprise Linux 6.7 or earlier.
  • coreutils-8.4-37.el6
  • Red Hat Enterprise Linux 7.2 or earlier.
  • coreutils-8.22-15.el7

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