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Oracle® Database Reference
11g Release 2 (11.2)

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Property Description
Parameter type Integer
Default value 0
Range of values 0, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768
Basic No
Oracle RAC Multiple instances can have different values.

The LOG_ARCHIVE_TRACE parameter enables and controls the generation of comprehensive trace information for log archiving and redo transport activity. The additional tracing that is output when setting LOG_ARCHIVE_TRACE to a non-zero value can appear in trace files for an archive process, RFS process, LGWR process, SYNC process, ASYNC process, foreground process, MRP process, recovery process, log apply process, startup process, shutdown process, and other processes that use redo transport services.

The valid values have the following meanings:

You can combine tracing levels by adding together the values of the desired tracing levels. For example, a setting of 3 will generate level 1 and level 2 trace output. You can set different values for the primary and standby database.

When this parameter is set to the default value of 0, Oracle will still generate appropriate alert and trace entries in response to error conditions. If you change the value of this parameter dynamically in an ALTER SYSTEM statement, the change takes effect immediately.