Starting the Transaction Logging Status Monitor

This procedure enables you to start up the Transaction Logging Status Monitor.

The Transaction Logging Status Monitor enables the status of Transaction Logging, Shadow Database or FailSafe to be monitored, and the status displayed, at any number of specified terminal ports on a database. Status messages are displayed in line 25 at the bottom of each receiving terminal's display screen.

Procedure

Select option 5 on the Routine Maintenance menu. A message is then displayed describing the purpose of the procedure and prompting you to confirm that you wish to continue.

When you enter y  at the confirmation prompt, the following message is displayed:

Transaction Logging Status Monitor started
Hit return to continue

The Monitor is now started and pressing RETURN takes you back to the Routine Maintenance menu.

Operation of Status Monitor

The Transaction Logging Status Monitor checks the system status periodically and, whenever the status changes, it sends a message to each port logged on and configured to receive status messages.

Status Messages

The following messages may be displayed:

TL-MONITOR:  hh:mm:ss Transaction Logging tl_status

TL-MONITOR:  hh:mm:ss Now logging to clean_log

TL-MONITOR:  hh:mm:ss Raw log partition usage now nr%

TL-MONITOR:  hh:mm:ss Clean log partition usage now nc%

TL-MONITOR:  hh:mm:ss Post processor now pp_status

TL-MONITOR:  hh:mm:ss Failsafe now fs_status

where:

nnn Is the port number running the Status Monitor process.

tl_status Indicates the status of logging as follows:

SWITCH REQUESTED
A switch to a new clean log has been requested, but not yet actioned.

SWITCH IN PROGRESS
In the process of changing to a new clean log. It will remain in this state until the old clean log is no longer required.

STOP IN PROGRESS
Writing of updates to the raw log is stopped, but outstanding updates are still being flushed to the clean log.

STOPPED
Inactive, but still maintaining images in the raw log until all outstanding updates have been flushed to the clean log.

clean_log Is the name of the clean log to which transactions are now logged.

nr Is the percentage of the raw log currently filled with images.

nc Is the percentage of the clean log partition currently filled with images.

pp_status Indicates the presence or absence of the post processor.

fs_status Is the status of the FailSafe link. This can be active, inactive  or failed.