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Autosync tracing – HP NonStop G-Series User Manual

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Problem Resolution

HP AutoSYNC User’s Guide522580-019

B-9

AutoSYNC Tracing

AutoSYNC Tracing

For cases where a problem is not diagnosed by looking at the synchronization log,
support personnel may request that the synchronization sessions be traced.

Tracing is enabled for all syncfilesets belonging to a syncuser. To start tracing, use the
TRACE option of the

ALTER SYNCUSER

command. The syncuser must be

suspended and re-activated to start tracing.

Tracing generates a large amount of data. It is recommended tracing be used for a
specific syncfileset only by suspending the remaining syncfilesets.

In both one time and scheduled synchronizations, the output of the trace is written to
the synchronization log file. Every operation performed by the sending and receiving
ASYSYNC process is recorded in the trace. To differentiate trace entries from regular
log entries, the identifying letters s (source), d (destination), b (backup), r (restore) are
followed by a (“-”) as follows

s- ASYSYNC-S — source system

d- ASYSYNC-D — destination system

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