On 02/25/2015 07:48 AM, Leon Fauster wrote: > Am 22.02.2015 um 16:12 schrieb Stephen Harris <lists at spuddy.org>: >> Is the device NFS exported? I've seem that prevent umounting even though >> nothing shows up in the process list. > > Its a local "virtual" device (raid controller exports it as one device). I believe that Stephen was asking if you are exporting that filesystem via NFS to other systems. Check /etc/exports.