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ORA-27090: Unable To Reserve Kernel Resources For Asynchronous Disk I/O (Doc ID 2792556.1)

Last updated on AUGUST 19, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
HP-UX Itanium

Symptoms

Getting error ORA-27090: Unable to reserve kernel resources for asynchronous disk I/O appeared. 

OR

WARNING:1 Oracle process running out of OS kernelI/O resources request_aiolimit=65 set_aiolimit=0

Cause

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In this Document
Symptoms
Cause
Solution
References


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