Fabric OS Administrator’s Guide 13
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High availability of daemon processes 1
Schedule downtime and reboot the switch at your convenience. Table 1 lists the daemons that are
considered non-critical and are automatically restarted on failure.
TABLE 1 Daemons that are automatically restarted
Daemon Description
arrd Asynchronous Response Router, which is used to send management data to hosts when the switch
is accessed through the APIs (FA API or SMI-S).
cald Common Access Layer daemon, which is used by manageability applications.
raslogd Reliability, Availability, and Supportability daemon logs error detection, reporting, handling, and
presentation of data into a format readable by you and management tools.
rpcd Remote Procedure Call daemon, used by the API (Fabric Access API and SMI-S).
snmpd Simple Network Management Protocol daemon.
traced Trace daemon provides trace entry date/time translation to Trace Device at startup and when
date/time changed by command. Maintains the trace dump trigger parameters in a Trace Device.
Performs the trace Background Dump, trace automatic FTP, and FTP “aliveness check” if auto-FTP
is enabled.
trafd Traffic daemon implements Bottleneck detection.
webd Webserver daemon used for WebTools (includes httpd as well).
weblinkerd Weblinker daemon provides an HTTP interface to manageability applications for switch
management and fabric discovery.