DIA0 Diagnostic Processes Hold Deleted Files Which Consume Space In Diagnostic Destination.
(Doc ID 2174223.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Information in this document applies to any platform.
Sometimes even though the *_dia0_*.trc is deleted physically but still the file is locked by DIA0 background process and does not free up space.
lsof | grep deleted
oracle 1320 oracle 29w REG 253,178 3928503478 934263 /opt/oracle/base/diag/rdbms/<DB>/<INSTANCE>/trace/<INSTANCE>_dia0_1320.trc (deleted)
oracle 11269 oracle 29w REG 253,178 3915462071 918377 /opt/oracle/base/diag/rdbms/<DB>/<INSTANCE>/trace/<INSTANCE>_dia0_11269.trc (deleted)
How to free up the space ?
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