- Event:
- Node record deletion
This trace record is issued when a node record is deleted
from the topology database. 
- Byte (hex)
- Contents
- 00–01
-
Record ID Calling module Reason for node deletion C"GN" ISTTRGTM Garbage collection C"MN" ISTTROMT MODIFY TOPO,DELETE,SCOPE=LOCAL C"SN" ISTTRGTM Garbage collection because of MODIFY TOPO,DELETE,SCOPE=NETWORK C"TN" ISTTRGTM Garbage collection because of receipt of a TDU with the GCI bit on - 02–04
- Flag bytes from the CV4580
- 05
- Flag byte
- Bit
- Meaning
- 11.. ....
- Node type from NDREC
- B'00'
- End node
- B'01'
- Network node
- B'10'
- Virtual node
- ..1. ....
- Adjacent node indicator from NDREC
- ...1 ....
- Garbage collection indicator from NDREC
- .... .1..
- DLUR end node indicator from NDREC
- .... ..1.
- Scope of MODIFY TOPO
- B'0'
- Local
- B'1'
- Network
- 06–16
- Network qualified CPNAME of the node being deleted
- 17–27
- 0
- 28–2A
- Source of the node record creation
- C"TDU" Created because of TDU received from an adjacent node
- C"TGU" Created as the result of a TG update signal
- C"TOP" Created from a checkpointed data set at VTAM® initialization with INITDB=TOPO
- 2B
- 0
- 2C–2F
- Resource sequence number at the time the node record was created
- 30–33
- Resource sequence number at the time the node record was deleted
- 34–37
- First word of timestamp when the node record was created
- 38–3B
- First word of timestamp when the node record was deleted
- 3C–3F
- Address of the node record being deleted