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тАО10-01-2003 09:36 PM
тАО10-01-2003 09:36 PM
I realized that my /oracle/rdbms/log/ directory
contains 30.000 *.trc files, produced by 4 instances running in the last 3 months.
all these files seem to contain something
like this:
----------------------------------------
Oracle9i Enterprise Edition Release 9.2.0.2.0 - 64bit Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.2.0 - Production
ORACLE_HOME = /oracle
System name: HP-UX
Node name: dbsermm
Release: B.11.22
Version: U
Machine: ia64
Instance name: oa
Redo thread mounted by this instance: 0
Oracle process number: 0
7092
Ioctl ASYNC_CONFIG error, errno = 1
-------------------------------------------
All these instances are working really well.
What kind of trouble are these trace files trying to tell me?
Oracle 9.2.0.2, HP-UX 11.22, Itanium.
Thanks for yor help!
Claudio
Solved! Go to Solution.
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тАО10-01-2003 09:43 PM
тАО10-01-2003 09:43 PM
Re: Oracle 9.2: Ioctl ASYNC_CONFIG error
http://www.cs.nott.ac.uk/TSG/manuals/databases/oracle/standard/a90347/appb_hp.htm
Note:
If the Oracle software owner does not have the MLOCK privilege, Oracle9i on HP-UX generates trace files that include the following error:
Ioctl ASYNC_CONFIG error, errno = 1
Hope it helps,
Robert-Jan.
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тАО10-01-2003 09:46 PM
тАО10-01-2003 09:46 PM
SolutionThe asynchronous I/O pseudo-driver on HP allows the Oracle server to perform I/O to raw disk partitions using an asynchronous method, resulting in less I/O overhead and higher throughput. You can use the asynchronous I/O pseudo-driver on both HP-UX 9000 servers and workstations.
MLOCK Privilege
To allow Oracle9i to execute asynchronous I/O operations, the group that the Oracle software owner belongs to (dba) must have the MLOCK privilege. To give the dba group the MLOCK privilege:
As the root user, enter the following command:
# setprivgrp dba MLOCK
To retain the MLOCK privilege after rebooting, create the /etc/privgroup file, if it does not exist on your system, and add the following line to it:
dba MLOCK
--------------------------------------------------------------------------------
Note:
If the Oracle software owner does not have the MLOCK privilege, Oracle9i on HP-UX generates trace files that include the following error:
Ioctl ASYNC_CONFIG error, errno = 1
--------------------------------------------------------------------------------
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тАО10-01-2003 09:50 PM
тАО10-01-2003 09:50 PM
Re: Oracle 9.2: Ioctl ASYNC_CONFIG error
http://otn.oracle.com/documentation/index.html
The Part Number A90347-01
In that Go for HP specific pages
Thanks
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тАО10-01-2003 10:13 PM
тАО10-01-2003 10:13 PM
Re: Oracle 9.2: Ioctl ASYNC_CONFIG error
*
According to metalink, to fix the problem, you'll need to grant oracle owner privileges to lock memory pages. This is done with the command:
*
# setprivgrp dba MLOCK
*
After this, no more trace files are generated.
*
Hope this helps!
regards
Yogeeraj