muiz wrote: > Hi, James, > The file system is xfs (/dev/mapper/centos-home xfs 1891292900 1556745108 334547792 83% /home) XFS has a low limit on the number of entries in an ACL (about 20) However, I don't know why you are getting the error 'Argument list too long' - I get 'Operation not permitted' when I try to and an entry that goes over the limit ... I believe more recent versions of the XFS code support more ACL entries (may be more recent than that used by RHEL/CentOS 7 ?) James Pearson