Sunday, September 29, 2013

Multiple Samba Instances on Separate Interfaces

I didn't find a lot of information on how to have multiple different samba instances running on the same machine, and what I did find didn't seem all inclusive.  So the various configuration directives I needed to set are:

#Specify the Interfaces that this instance will listen on for smbd
interfaces = eth0 
#Specify the IP that nmbd will use
socket address =
#Only bind the above
bind interfaces only = yes

#The following line may be needed to clear up some connection issues with older clients, and possibly it should be 139 445
smb ports = 139

# On at least one instance, the directories for state/cache/locks/etc will need to be changed
state directory = /var/lib/samba-eth3
private dir = /var/lib/samba-eth3
lock directory = /var/run/samba-eth3
pid directory = /var/run/samba-eth3
cache directory = /var/cache/samba-eth3

# Logging
# Make sure to fix the log file directive
# log file = /var/log/samba-eth3/log.%m

# Authentication
# May need to update passdb backend line to keep separate
passdb backend = tdbsam:/var/lib/samba-eth3/passdb.tdb

Additionally, a startup script will need to be created adding the specific configuration to the commandline for smbd/nmbd. The commandline will be something like:
/usr/sbin/nmbd -D -s /etc/samba-eth3/smb.conf -l /var/log/samba-eth3/
/usr/sbin/smbd -D -s /etc/samba-eth3/smb.conf -l /var/log/samba-eth3/

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