Dynamic Storage Technology requires that all users of the shadow volume be users that are defined in eDirectory. For information, see the About this Book and the Library.
SMB/CIFS users must be enabled for Linux with Linux User Management. This is true for NCP volumes on Linux POSIX file systems (Ext3 and Reiser) and for NSS volumes on Linux and NetWare. The OES 2018 SP3: Linux User Management Administration Guide describes how to Linux-enable users for an OES server.