TMF Operations and Recovery Guide (G06.24+)

Routine Maintenance
HP NonStop TMF Operations and Recovery Guide—522417-002
2-18
Verifying that New Transactions Can Start
enabled and new transactions are allowed to start. There are several reasons that
cause BEGINTRANSACTION to become disabled, however; under this condition, new
transactions are not allowed to start.
Any user allowed to use TMFCOM can issue this command while TMF is running.
Normally, the STATUS BEGINTRANS command displays the message:
BeginTrans Status: ENABLED
If transaction starts are disabled, you will see the message:
BeginTrans Status: DISABLED
The command also displays the reason why new transactions are disabled.
Reason: Audit Trail is above the BEGINTRANSDISABLE
threshold.
Meaning. The active-audit volume has filled to the level that causes TMF to disallow
new transactions. When the used capacity falls below this level, new transactions are
allowed to start.
Action. See Why Audit-Trail Files Stay Pinned on a Volume on page 2-5 and
Responding to Audit-Trail Overflow on page 3-5 for information on correcting the begin-
transaction-disable condition.
Reason: The TRANSCOUNTTHRESH was exceeded.
Meaning. The number of current transactions in the system is at or above the
configured maximum, which causes TMF to disallow new transactions. New
transactions can start when the transaction count decreases to an allowable number
(see Tabl e 1-4 on page 1-7 for more information).
Action. To solve this problem, consider the following:
•
If a new or changed application has been recently installed, it might be looping on
BEGINTRANSACTION. In this case, use the STATUS TRANSACTIONS
command to identify and stop the process.
•
If a bottleneck in either the system or the application is slowing down transaction
throughput so that transactions are not completing as quickly as new ones are
starting, performance tuning is needed.
•
If the TRANSCOUNTTRHESH value is inadequate for your system, work with the
system manager to adjust it.
Reason: The DISABLE BEGINTRANS command was issued.
Meaning. The DISABLE BEGINTRANS command has disabled new transactions.
Action. Issue the ENABLE BEGINTRANS command to reenable new transactions,
unless there is a reason not to do so.