Database Error Messages

Release
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  • 23ai
  • 21c
  • 19c
Updated
Jun 24, 2024

OCI-09850

soacon: Archmon unable to lock named pipe.

Cause

fcntl() failed to set write lock on named pipe ?/dbs/arch2mon_@.


Action

Make sure that archmon is not already active on another terminal for this ORACLE_SID. Only one archmon session is allowed at a time for a given instance.