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DCMT DISPLAY Commands › DCMT DISPLAY JOURNAL Command › DCMT DISPLAY JOURNAL Command Usage

DCMT DISPLAY JOURNAL Command Usage

The following information is displayed for each journal file:

Field

Value

Disk Journal

Journal file name.

Segno

Segment number of the current journal segment.

Lorbn

Low relative block number of the current journal segment.

Hirbn

High relative block number of the current journal segment.

Nxrbn

Next relative block number of the current journal segment.

Ful

 

  • YES—The journal is full
  • NO—The journal is not full

Act

 

  • YES—The journal is active
  • NO—The journal is not active

Rcv

 

  • YES—The journal is in use for recovery purposes
  • NO—The journal is not in use for recovery purposes

Arch

 

  • CD—DC/UCF is in the condense phase of archiving the journalfile
  • OF—DC/UCF is in the offload phase of archiving the journal file
  • NO—DC/UCF is not archiving the journal file

Stat

The current status of the file. If an I/O error occurs or if DC/UCF encounters a problem while archiving the file, the system displays a 4-digit error status code.

Dsrbn

The relative block number to which the next dummy segment (DSEG) is written. If the number in this column is higher than the high relative block number, no DSEG records are currently being written.

Dsintv

The DSEG interval (journal fragment interval). This value indicates the number of relative block numbers between DSEG records.

TQL

The transaction level; that is the number of transactions that must be running to defer writing a journal block.

Displaying Pending Transactions of a Disk Journal File

A pending transaction is a transaction that is active and might need the named disk journal if the transaction has to be backed out. Pending transactions prevent the disk journal from reaching an offline status.

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