HP CIFS Server 3.0f Administrator's Guide verison A.02.03

Constraints
The HP CIFS Server TDB memory map support has the following constraints:
NOTE: Do not have binaries from mixed versions of mmap and non-mmap daemons/utilities of CIFS
Server in the /opt/samba/bin subdirectory.
You must use the tdbbackup utility to backup TDB files, do not use the cp command to backup TDB
files.
TDB Memory-Mapped Access for HP CIFS Server 169