HP CIFS Server 3.0i Administrator's Guide version A.02.03.03

smb.conf by the parameter username map, e.g. username map =
/var/opt/samba/shared_vol_1/username.map. There is no username map file by
default.
• Winbind Configurations
Add the commented winbind lines in samba.mon and samba.cntl as reviously described.
Winbind makes use of several files winbindd.pid, winbindd_cache.tdb, winbindd_idmap.tdb,
and directory winbindd_privileged, in the /var/opt/samba/locks directory.
You may want to put the entire /var/opt/samba/locks directory on a logical shared volume
but the locking data may not be correctly interpreted after a failover. You may want to add
a line to your startup script to remove the locking data file .../locks/locking.tdb.
• Samba as a WINS Server
If you configure your Samba server to be a WINS server by setting the wins support
parameter to yes, it will store the WINS database in the file /var/opt/samba/locks/WINS.DAT.
If this file is not on a logical shared volume, when a failover occurs, there will be a short
period of time when all the WINS clients update the Samba WINS server with their address.
However, if this short period of time to restore the WINS database is not acceptable, you
can reduce the period of time to restore the full WINS service.
To do so, configure /var/opt/samba/locks/WINS.DAT to be a symbolic link to a WINS.DAT file
on a logical shared volume. HP does not recommend putting the entire /var/opt/samba/locks
directory on a logical shared volume, because the locking data may not be correctly
interpreted after a failover.
• Samba as a Master Browser
If you configure your Samba server to be the domain master browser by setting the domain
master to yes, it will store the browsing database in the /var/opt/samba/locks/browse.tdb file.
HP does not recommend doing this in an HA configuration.
If you do so, you will probably want to configure /var/opt/samba/locks/browse.tdb as a symbolic
link to a BROWSE.DAT file on a logical shared volume. HP doesn't recommend putting the
entire /var/opt/samba/locks directory on a logical shared volume because the locking data may
not be correctly interpreted after a failover. You may want to add a line to your startup script
to remove the locking data file, /locks/locking.tdb.
• Automatic Printer Sharing
If you configure your Samba server with a [printers] share to automatically share all the
printers on your HP-UX system, then you will need to be certain that all your
MC/ServiceGuard nodes have the same HP-UX printers defined. Otherwise, when a failover
occurs, the list of shared printers for the Samba server will change, resulting in problems
on clients using those printers.
• Samba's LMHOSTS File
If you wish to use an LMHOSTS file to store the static addresses for certain netbios names,
HP recommends that you put the LMHOSTS file on a logical shared volume. To do this you
will need to specify a different path for the LMHOSTS file using the -H option when invoking
nmbd. HP recommends that you put the LMHOSTS file on a logical shared volume so that
all the nodes can share it.
You will need to edit the MC/ServiceGuard scripts to add the -H options to the places where
nmbd is invoked directly. You will also need to edit the /opt/samba/bin/startsmb script to add
the -H option to the places where nmbd is started.
• Utilities
In the MC/SG cluster environment, some utilities need to specify the location of the smb.conf
file for the package. For example:
Special Notes for HA HP CIFS Server 175