Oracle Administration Unix
Diagnose Oracle Net and RAC Interconnect Routing with netstat -r
May 12, 2026 / · 7 min read · Oracle Database Unix Commands Oracle DBA Oracle Net RAC netstat Networking Routing Diagnostics ·Diagnose Oracle Net and RAC Interconnect Routing with netstat -r Purpose Oracle Net connections and Oracle RAC private interconnect traffic both depend on correct IP routing. When an Oracle client cannot connect to the listener, when RAC Cache Fusion or heartbeat traffic is routing over the wrong interface, or when …
Read MoreDelete the 500 Oldest Files in a Directory (Oracle DBA)
Apr 29, 2026 / · 5 min read · Oracle Database Unix Commands Oracle DBA Trace Files Audit Files Database Maintenance Storage Management Diagnostic Dest ·Delete the 500 Oldest Files in a Directory (Oracle DBA) Purpose Oracle's diagnostic destination (DIAGNOSTIC_DEST), audit file destination (AUDIT_FILE_DEST, also known as adump), and per-process trace directories collect thousands of small files over time. Inode counts, not bytes, are usually the limit that bites first …
Read MoreList Files Opened by an Oracle Process with lsof -p
Apr 28, 2026 / · 5 min read · Oracle Database Unix Commands Oracle DBA lsof Process Diagnostics File Handles Troubleshooting Background Processes ·List Files Opened by an Oracle Process with lsof -p Purpose lsof (LiSt Open Files) is the UNIX tool for inspecting which processes have which files open. For an Oracle DBA it is the fastest answer to four common questions: which datafiles is this server process touching, which trace file is PMON writing into right now, …
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