Distributed Name Service (DNS) Management Programming Manual

Event-Message Descriptions
Event Messages
6–42 46958 Tandem Computers Incorporated
What Happens
If the FILE_OPEN_ is issued as the result of a request from a network management
application, DNSCOM, or a remote name exporter, the request is replied to with
return code ZDNS-ERR-IOERR.
This error is fatal in the following cases:
The open error occurred on the DNS configuration file (default is
$SYSTEM.SYSTEM.DNSCONF) during name manager or name exporter startup.
The error occurred on the DNS-QUEUE-FILE during name exporter startup.
The error occurred on the TMF Transaction Pseudofile (usually $TMP) during
name exporter startup.
The error occurred on the name exporter’s open of the name manager.
Recommended Action
Check on the file or device named in the message.