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	<title>Oracle lock sga linux - Cronologia</title>
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	<updated>2026-04-07T20:59:41Z</updated>
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		<id>http://www.emigar.com/wiki/index.php?title=Oracle_lock_sga_linux&amp;diff=5456&amp;oldid=prev</id>
		<title>WikiSysop il 08:26, 22 set 2017</title>
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		<updated>2017-09-22T08:26:37Z</updated>

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	<entry>
		<id>http://www.emigar.com/wiki/index.php?title=Oracle_lock_sga_linux&amp;diff=5039&amp;oldid=prev</id>
		<title>WikiSysop il 15:16, 12 mag 2010</title>
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		<updated>2010-05-12T15:16:21Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nuova pagina&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Come configurare Linux per attivare il parametro lock_sga su Linux RHEL (4 o 5)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Per poter attivare il parametro oracle lock_sga bisogna eseguire le seguenti operazioni:&lt;br /&gt;
&lt;br /&gt;
1) aggiungere nel file &amp;lt;code&amp;gt;/etc/security/limits.conf&amp;lt;/code&amp;gt; le righe:&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
oracle          soft    nproc 2047&lt;br /&gt;
oracle          hard    nproc 16384&lt;br /&gt;
oracle          soft    nofile 1024&lt;br /&gt;
oracle          hard    nofile 65536&lt;br /&gt;
&lt;br /&gt;
oracle          soft    memlock 65536&lt;br /&gt;
oracle          hard    memlock unlimited&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
2) Verificare se è presente nel file &amp;lt;code&amp;gt;/etc/pam.d/login&amp;lt;/code&amp;gt; la riga:&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
session    required     pam_limits.so&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
Ed eventualmente aggiungerla. Attenzione ad eventuali moduli di SElinux, inserire la riga nella posizione corretta.&lt;br /&gt;
&lt;br /&gt;
3) creare il file &amp;lt;code&amp;gt;/etc/profile.d/oracle.sh&amp;lt;/code&amp;gt; :&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
if [ \$USER = &amp;quot;oracle&amp;quot; ]; then&lt;br /&gt;
 if [ \$SHELL = &amp;quot;/bin/ksh&amp;quot; ]; then&lt;br /&gt;
   ulimit -p 16384&lt;br /&gt;
   ulimit -n 65536&lt;br /&gt;
   ulimit -l unlimited&lt;br /&gt;
 else&lt;br /&gt;
   ulimit -u 16384 -n 65536 -l unlimited&lt;br /&gt;
 fi&lt;br /&gt;
 umask 022&lt;br /&gt;
fi&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
4) creare il file /etc/profile.d/oracle.csh:&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
if ( \$USER == &amp;quot;oracle&amp;quot; ) then&lt;br /&gt;
 limit maxproc 16384&lt;br /&gt;
 limit descriptors 65536&lt;br /&gt;
 limit memorylocked unlimited&lt;br /&gt;
 umask 022&lt;br /&gt;
endif&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
5) Ricordarsi di eseguire &amp;lt;code&amp;gt;chmod 755 /etc/profile.d/oracle.*&amp;lt;/code&amp;gt;&lt;br /&gt;
&lt;br /&gt;
6) Per un motivi non meglio chiariti, il file oracle.sh in alcuni casi non viene correttamente eseguito.&lt;br /&gt;
Per ovviare all&amp;#039;inconveniente si può inserire nel .bash_profile dell&amp;#039;utente oracle la seguente riga:&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
ulimit -u 16384 -n 65536 -l unlimited&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
in modo da impostare gli ulimit correttamente.&lt;br /&gt;
&lt;br /&gt;
[[Categoria:Unix]]&lt;br /&gt;
[[Categoria:Database]]&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>
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