Warning:Could Not Increase The Asynch I/O Limit To XX For Sql Direct I/O (Doc ID 1302633.1)

Last updated on JULY 01, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.5 and later
Generic Linux
***Checked for relevance on 01-Jul-2016***

disk_asynch_io = TRUE
filesystemio_options = none
[root@xyz ~]# cat /etc/issue
Enterprise Linux Enterprise Linux Server release 5.2 (Carthage)



Symptoms

Using 10.2.0.5 RDBMS on Linux.

The following error occurs in trace files.

ERROR
-----------------------
WARNING:Could not increase the asynch I/O limit to 240 for SQL direct I/O. It is set to 128

Cause

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