database log truncated

  • We have a database that has full backup daily 2:30am, and transaction log backup daily at 12 noon. The database is in FULL recovery mode.  Recently it has started truncating the database log a couple times a day.  It seems to have enough space, the .LDF file isn't too big.  Any ideas for why this is happening or suggestions for what else I should look at. Thanks a lot!

  • Does this message appear in the SQL Server log ?

    Database log truncated: Database:

    If so, someone is executing a "backup log with truncate_only"

    Who has sa or database owner rights ?

    SQL = Scarcely Qualifies as a Language

  • Does this message appear in the SQL Server log ?

    Database log truncated: Database:

    If so, someone is executing a "backup log with truncate_only"

    Who has sa or database owner rights ?

    SQL = Scarcely Qualifies as a Language

  • Does this message appear in the SQL Server log ?

    Database log truncated: Database:

    If so, someone is executing a "backup log with truncate_only"

    Who has sa or database owner rights ?

    SQL = Scarcely Qualifies as a Language

  • Does this message appear in the SQL Server log ?

    Database log truncated: Database:

    If so, someone is executing a "backup log with truncate_only"

    Who has sa or database owner rights ?

    SQL = Scarcely Qualifies as a Language

  • Hi, Can you see in the SQL Server logs if a Checkpoint is being issued. Also is the transaction log being truncated at regular intervals ? In SQL Server 7 there was a setting Truncate Log on Checkpoint. That setting is not there in SQL Server 2000. However and perhaps other people on this forum might correct me, but I think in FULL RECOVERY mode, SQL SERVER intermittently issues a checkpoint. Hope I am not causing confusion here.

  • Are you sure the truncation is a bad thing?  Have you tried restoring your full backup, followed by each of your transaction log backups and see if things are all there? 

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