Ora-27102 Out Of Memory Svr4 Error 22 Invalid Argument
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Ora-27102 Out Of Memory Windows
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Project.max-shm-memory Solaris 10
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adding a new instance to an already running installation, or tuning the SGA/PGA sizes on Solaris 10, and you find you get the following on starting that instance: On the screen ... SQL> startup ORA-27102: ora-27102: out of memory solaris-amd64 error: 22: invalid argument out of memory SVR4 Error: 22: Invalid argument ... and in the Oracle
Ora-27102 Out Of Memory Oracle 11g
alert log ... Error : EINVAL creating segment of size 0x000000009f000000 fix shm parameters in /etc/system or equivalent ... DON'T project.max-shm-memory solaris 11 call Oracle. You're likely to experience one or all of the following... You may be referred to Metalink Article 399895.1 and told to implement the workaround stated within. DON'T. This defeats the whole https://scn.sap.com/thread/946027 point of using projects as the workaround just changes things on a system wide basis instead of resolving the actual project configuration issue. There's also no guarantee this method will work in later updates of Solaris 10 as the functionality has technically been obsoleted by projects. You may be told this is a known bug, Oracle bug ID 5237047 - Incorrect system requirements for Solaris https://lildude.co.uk/howto-fix-ora-27102-out-of-memory-error 10, and is actually a bug in Solaris 10. You'll probably be told to implement the changes in the above Metalink document. As above: DON'T. You may even be told this is a known limitation in Solaris 10 in that you can't have a shared memory segment of more than 6GB, and once again referred to the workaround in the above Metalink document. As above: DON'T. Believe it or not, I heard all three of these in one conference call this weekend and from what I can tell this is probably due to a complete misunderstanding of how projects work in Solaris 10 (ie a lack of knowledge) or due to some very bad documentation in Oracle's bug/call system. However, this post isn't all about what not to do, but rather how you go about resolving this issue. In short, you need to change the shared memory allocation for the particular project assigned to your Oracle user or group, depending on which you've chosen to implement. There is loads of information on setting up projects on docs.sun.com and Sunsolve, but if you're looking for information specific to Oracle and this error, then check out th
of memory Solaris-AMD64 Error: 22: Invalid argument On asking to the team, https://aprakash.wordpress.com/2010/06/26/ora-27102-out-of-memory/ came to know,that there was some issue, which they were not http://www.dbas-oracle.com/2011/08/database-startup-on-solaris-10-fails.html aware of.So it was time to investigate🙂 Check the Alert log Starting ORACLE instance (normal) Sun Jun 20 17:00:06 2010 WARNING: EINVAL creating segment of size 0x0000000180004000 fix shm parameters in /etc/system or equivalent Oracle is trying to create a 6Gb shared out of memory segment, but operating system responded with an invalid argument (EINVAL) error message. As the alert log suggested, "fix shm parameters in /etc/system" and showed "creating segment of size 0x0000000180004000".Converting the hex value ("180004000" ) in decimal comes up to "6442467328". As suggested, changed the value of set shmsys:shminfo_shmmax to "6442467400" in out of memory /etc/system and rebooted the server.Again,the same error -bash-3.00$ sqlplus / as sysdba SQL*Plus: Release 10.2.0.4.0 - Production on Sun Jun 20 17:15:03 2010 Copyright (c) 1982, 2007, Oracle. All Rights Reserved. Connected to an idle instance. SQL> startup ORA-27102: out of memory Solaris-AMD64 Error: 22: Invalid argument SQL> exit Disconnected -bash-3.00$ Immediately, i remembered in Sun Solaris 10, they have created the resource control utility, which can be checked using prctl command http://docs.sun.com/app/docs/doc/817-1592/rmctrls.task-33?a=view -bash-3.00$ cat /etc/project system:0:::: user.root:1:::: noproject:2:::: default:3:::: group.staff:10:::: oracle:100::::project.max-shm-memory=(priv,4294967296,deny) -bash-3.00$ So the system is using the default value of 4Gb in this scenario, where as Oracle is trying to create a memory segment of almost 6Gb, larger than 4Gb. After few searches on google, got the command to change the value.Logged in as root (luckily had the password :)), and used the below command bash-3.00# projmod -s -K "project.max-shm-memory=(priv,6442467400,deny)" oracle Then, tried to startup the database,but again failure.Checking back the parameters -bash-3.00$ ca
Fundamentals Oracle Errors Performance Tuning ASM Datafiles & Tablespaces Exadata Database Startup On Solaris 10 Fails With Ora-27102 Out Of Memory I have Solaris 10 system with RMAN 16G size. I am starting database with 6G of SGA size but startup fails with the following errors. SQL> startup ORA-27102: out of memory SVR4 Error: 22: Invalid argument And the alert log shows something similar to the following. WARNING: EINVAL creating segment of size 0x000000002a000000 fix shm parameters in /etc/system or equivalent Cause:Solaris 10 sets the shared memory segments on projects, and it is suspected to be caused by projects not being setup correctly. Because of this,there is not sufficient SHMMAX available for Oracle to allocate the SGA, so startup fails. Solution:It is still permitted in Solaris 10 to set the limits in the /etc/system file, which willallow database startup in the interim, until canresolve the issues with projects settings. Log in using root user. For example, a sample /etc/system entry setting SHMMAX = 6GB. set shmsys:shminfo_shmmax=6442450944 set semsys:seminfo_semmni=1024 set semsys:seminfo_semmsl=1024 set shmsys:shminfo_shmmni=100 Database started with above settings ok, and missing project settings in this case were the following. 1 In case adding new Project: # projadd -c "Oracle" 'user.oracle' 2 In case modifying existing project: # projmod -s -K "project.max-shm-memory=(privileged,6GB,deny)" 'user.oracle'. I have applied both of the above ways but the issue still persists. At last I restart the database server and it works for me. Labels: ORA Error, Solaris No comments: Post a Comment Newer Post Older Post Home Blog Archive ► 2014 (1) ► March (1) ► 2013 (78) ► August (2) ► July (11) ► June (10) ► May (9) ► April (8) ► March (13) ► February (7) ► January (18) ► 2012 (23) ► December (3) ► November (4) ► August (4) ► June (3) ► April (3) ► March (6) ▼ 2011 (80) ► December (3) ► November (1) ► October (7) ► September (1) ▼ August (8) Ora-600 [dbkc_init_bs_ctx-10] Error Found In The A... What is Android ? How to edit/list crontab in Sun Solaris and Unix Database Startup On Solaris 10 Fails With Ora-2710... Oracle Buys Pillar Data Systems log file switch (checkpoint incomplete) Oracle Database Releases Status Summary How To Resize and/or Add Redo Logs ► July (12) ► June (