NonStop Operating System Event Management Programming Manual

Tape Process Event Messages (ZTAP)
HP NonStop Operating System Event Management Programming Manual—520372-020
10-14
Description of ZTAP Event Messages
Description of ZTAP Event Messages
The tape process event messages are described in detail on the following pages. The
negative-numbered event-message descriptions are given first in descending order by
event number, followed by the positive-numbered event-message descriptions in
ascending order by event number. The symbolic name for the event number is ZTAP-
EVT-name, where name describes the event that generated the message.
Topics:

Information in Event Description Messages on page 10-14

Recovery Action Requiring Vendor Support on page 10-15

Descriptions of individual event messages (for a linked list, see Table 10-1 on
page 10-1)
Information in Event Description Messages
Each description contains the following information:

A header showing the numeric value and symbolic name for the event number.

A paragraph describing the event message.

A list:

Identifying the subject of the event message.

Indicating whether the event is channel-related, device-related, or controller-
related.

Indicating whether the message identifies a potentially critical event (whether
ZEMS-TKN-EMPHASIS has the value ZSPI-VAL-TRUE).

Indicating whether the message identifies an action-attention event (whether
ZEMS-TKN-ACTION-NEEDED has the value ZSPI-VAL-TRUE).
Token Description
ZTAP-TKN-IOC-COUNT Original IOC byte count.
ZTAP-TKN-IOC-RESIDUE Residual IOC entry after the data transfer.
ZTAP-TKN-RETRY-CNT Total number of retries for the write retry event (ZTAP-EVT-
WRITE-RETRIED), read retry event (ZTAP-EVT-READ-
RETRIED), and correctable data error event (ZTAP-EVT-
DATA-CORRECTED).
ZTAP-TKN-TAPE-VOLUME 6-byte volume serial number for a labeled tape volume.
ZTAP-TKN-DEV-STATUS Device status bytes.
Note. Each event message also contains the header tokens listed in Section 2, Header and
Common Tokens, and the tokens listed in the Common Definitions on page 3-5.