Glossary

Enscribe. The Compaq database file-management software provided as part of the Guardian file system. The Enscribe software provides access to—and manipulation of—records in a database on a Compaq system. Files on a Compaq NonStop system can be either Enscribe files or NonStop SQL tables. See also NonStop SQL.

entry. A DSM object type representing a routing table or directory entry in the OSI manager MIB. ENTRY objects are used to register local and remote OSI addresses and locally defined application names (common names) with the OSI manager process. ENTRY objects are of four types: application (APPL), TSEL, NSAP, and SNPA.

EOF (end of file). A marker placed at the end of a file to indicate that the file contains no additional information.

error. (1) A condition that causes a command or other operation to fail. Contrast with warning. (2) A code that indicates the outcome of a procedure call. For the procedures in the FTAM API, this value can be either a negative error code defined by Compaq FTAM or a positive Compaq file-system error number.

error code. A Compaq code returned on an APS_STATUS_ procedure call that indicates the current error condition, if any, for the CEPI specified in the APS_STATUS_ call. If a procedure-call error is indicated, you can call APS_STATUS_ to determine what occurred. APS_STATUS_ returns error-codeand error-subcodevalues that provide more detail about the nature of the problem. See error subcode.

error identifier. An ISO-defined code included in a diagnostic message that identifies a diagnostic error.

error observer. An ISO-defined code included in a diagnostic message that identifies the entity that detected the diagnostic error.

error source. An ISO-defined code included in a diagnostic message to identify the presumed entity that caused the reported error.

error subcode. A Compaq subcode qualifying error-codereturned on an APS_STATUS_ procedure call. If a procedure call error is indicated, call APS_STATUS_ to determine what occurred. APS_STATUS_ returns error-codeand error-subcodevalues that provide more detail about the nature of the problem. See error code.

error type. An ISO-defined code included in a diagnostic message that indicates the diagnostic error type: informative message, permanent error, or transient error.

See informative message, permanent error, and transient error.

event. (1) In Compaq OSI terms, an indication or confirm primitive that an application using the FTAM or OSI/AS API retrieves by calling the APS_EVENT_RECEIVE_ procedure. See also indication primitive or confirm primitive. (2) In DSM terms, a significant change in some condition in the system or network. Events can be operational errors, notifications of limits exceeded, requests for action needed, and

so on. See also EMS and event message.

Event Management Service. See EMS.

event message. On Compaq NonStop systems, a message triggered when a subsystem or system component using the Event Management Service (EMS) detects the

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Compaq OSI/FTAM D43, OSI/APLMGR D43 manual Event Management Service. See EMS