NAME

       cnid_metad - start cnid_dbd daemons on request

SYNOPSIS

       cnid_metad [-l loglevel [-f filename]] [-d] [-h hostname] [-p port] [-u user] [-g group]
                            [-s cnid_dbdpathname]
                            cnid_metad -v | -V

DESCRIPTION

       cnid_metad waits for requests from afpd to start up instances of the cnid_dbd daemon. It keeps track of
       the status of a cnid_dbd instance once started and will restart it if necessary.  cnid_metad is normally
       started at boot time from /etc/rc or equivalent and runs until shutdown.  afpd needs to be configured
       with the -cnidserver option in afpd.conf in order to access cnid_metad.  It is possible to run more than
       one instance of cnid_metad on the same machine if different values for the interface and/or port are
       specified with the -h and -p options.

OPTIONS

       -l <loglevel> [-f <filename>]
           Specify that any message of a loglevel up to the given loglevel should be logged to the given file.
           If the filename is ommited the loglevel applies to messages passed to syslog. Default is logs to
           syslog with a default logging setup of "log_note".

           Note: cnid_metad passes this to cnid_dbd which will in turn use this for its logging setup.

           loglevels: LOG_SEVERE, LOG_ERROR, LOG_WARN, LOG_NOTE, LOG_INFO, LOG_DEBUG, LOG_DEBUG6, LOG_DEBUG7,
           LOG_DEBUG8, LOG_DEBUG9, LOG_MAXDEBUG

           Example. Useful default config

               -l log_info -f /var/log/afpd.log

           Example. Debugging config

               -l log_maxdebug -f /var/log/afpd.log

       -d
           cnid_metad will remain in the foreground and will also leave the standard input, standard output and
           standard error file descriptors open. Useful for debugging.

       -h hostname
           Use hostname as the network interface for requests as opposed to the default localhost. The network
           address may be specified either in dotted-decimal format for IPv4 or in hexadecimal format for IPv6.

       -p port
           Use port as the port number for reqests. Default is 4700.

       -u user
           Switch to the userid of user before serving requests. This userid will be inherited by all cnid_dbd
           daemon processes started.

       -g group
           Switch to the groupid of group before serving requests. This groupid will be inherited by all
           cnid_dbd daemon processes started. Both user and group must be specified as strings.

       -s cnid_dbd pathname
           Use cnid_dbd pathname as the pathname of the executeable of the cnid_dbd daemon. The default is
           /usr/sbin/cnid_dbd.

       -v, -V
           Show version and exit.

CAVEATS

       The number of cnid_dbd subprocecesses is currently limited to 512.

       cnid_metad does not block or catch any signals apart from SIGPIPE. It will therefore exit on most signals
       received. This will also cause all instances of cnid_dbd´s started by that cnid_metad to exit gracefully.
       Since state about and IPC access to the subprocesses is only maintained in memory by cnid_metad this is
       desired behaviour. As soon as cnid_metad is restarted afpd processes will transparently reconnect.

SEE ALSO

       cnid_dbd(8), afpd(8), dbd(1)

Netatalk 2.2                                       01 Jan 2012                                     CNID_METAD(8)