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Primary Note: Troubleshooting Unix Resources (Doc ID 1507742.1)

Last updated on MARCH 11, 2024

Applies to:

Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Net Services - Version 12.1.0.2 and later
Oracle Database - Enterprise Edition - Version 9.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.

Purpose

This document discusses and provides notes for Common Issues related to Unix Resources while running oracle database.
i.e WARNING:ORACLE PROCESS RUNNING OUT OF OS KERNEL I/O RESOURCES
WARNING: asynch I/O kernel limits is set at AIO-MAX-NR=1048576 AIO-NR=242593
ORA-27300 ORA-27301 ORA-27302

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 Overview
 Common Issues related to Unix Resources
 WARNING: Oracle process running out of OS kernel I/O resources
 WARNING: Could not set the asynch I/O limit to 128 for SQL direct I/O. It is set to 0
 WARNING: io_submit failed due to kernel limitations MAXAIO for process=4096 pending aio=3968
WARNING: asynch I/O kernel limits is set at AIO-MAX-NR=1048576 AIO-NR=242593
 Process J000 died, see its trace filekkjcre1p: unable to spawn jobq secondary process
 ORA- errors related to the Unix Resources
 ORA-27300 ORA-27301 ORA-27302
 ORA-4030
 ORA-4036
 Other Helpful Documents
 Further Diagnostics
References

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