TROUBLESHOOT
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Resolve Oracle PRVF‑7573 (Insufficient Swap)
While installing Oracle GI / Database 19.3 on an Oracle Cloud Infrastructure (OCI) & Azure VM’s running OL 7/8 & RHEL 7/8, I ran into this classic prerequisite failure: The…
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Fixing OPatch Error: “Prerequisite check ‘CheckActiveFilesAndExecutables’ failed” — Real Production Experience
Patching Oracle environments is usually straightforward — until it isn’t. Nothing kills a maintenance window faster than OPatch stopping with: Prerequisite check “CheckActiveFilesAndExecutables” failed I recently hit this repeatedly while…
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About

Chakravarthy
ORACLE DBA
I build high‑availability Oracle database systems, lead massive cloud migrations, and tune performance at scale. RAC, Data Guard, Azure & OCI, automation — if it keeps data fast and resilient, it’s my space.
📍Toronto, CA




