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		<title>Solución a: MySQL failing to start with message “Can’t find file: ‘./mysql/plugin.frm’ (errno: 23)”</title>
		<link>https://soyadmin.com/solucion-a-mysql-failing-to-start-with-message-cant-find-file-mysql-plugin-frm-errno-23/</link>
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		<dc:creator><![CDATA[Mauro]]></dc:creator>
		<pubDate>Tue, 10 Sep 2019 13:15:24 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
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		<category><![CDATA[MySQL failing to start]]></category>
		<guid isPermaLink="false">https://old.soyadmin.com/?p=1296</guid>

					<description><![CDATA[<p>Hace unos días tuvimos un problema con el servicio de mysql, el cual le costaba reiniciar. Mysql devolvía el siguiente log: El error parece indicar que no se encuentra el archivo «./mysql/plugin.frm» pero esto&#46;&#46;&#46;</p>
<p>La entrada <a href="https://soyadmin.com/solucion-a-mysql-failing-to-start-with-message-cant-find-file-mysql-plugin-frm-errno-23/">Solución a: MySQL failing to start with message “Can’t find file: ‘./mysql/plugin.frm’ (errno: 23)”</a> se publicó primero en <a href="https://soyadmin.com">SoyAdmin.com</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p class="wp-block-paragraph">Hace unos días tuvimos un problema con el servicio de mysql, el cual le costaba reiniciar.</p>


<p class="wp-block-paragraph"><strong>Mysql devolvía el siguiente log:</strong></p>

<pre class="wp-block-code"><span><code class="hljs language-php"><span class="hljs-number">131224</span> <span class="hljs-number">06</span>:<span class="hljs-number">04</span>:<span class="hljs-number">53</span> mysqld_safe Starting mysqld daemon with databases from /<span class="hljs-keyword">var</span>/lib/mysql
/usr/libexec/mysqld: Can<span class="hljs-string">'t find file: '</span>./mysql/plugin.frm<span class="hljs-string">' (errno: 23)
131224 6:04:53 &#91;ERROR] Can'</span>t open the mysql.plugin table. Please run mysql_upgrade to create it.
/usr/libexec/mysqld: Can<span class="hljs-string">'t create/write to file '</span>/tmp/ibqcFQMW<span class="hljs-string">' (Errcode: 23)
131224 6:04:53 InnoDB: Error: unable to create temporary file; errno: 23
131224 6:04:53 &#91;ERROR] Plugin '</span>InnoD<span class="hljs-string">B' init function returned error.
131224 6:04:53 &#91;ERROR] Plugin '</span>InnoD<span class="hljs-string">B' registration as a STORAGE ENGINE failed.
131224 6:04:53 &#91;ERROR] Can'</span>t create IP socket: Too many open files in system
<span class="hljs-number">131224</span> <span class="hljs-number">6</span>:<span class="hljs-number">04</span>:<span class="hljs-number">53</span> &#91;ERROR] Aborting131224 <span class="hljs-number">6</span>:<span class="hljs-number">04</span>:<span class="hljs-number">53</span> &#91;Note] /usr/libexec/mysqld: Shutdown complete131224 <span class="hljs-number">06</span>:<span class="hljs-number">04</span>:<span class="hljs-number">53</span> mysqld_safe mysqld from pid file /<span class="hljs-keyword">var</span>/run/mysqld/mysqld.pid ended</code></span></pre>

<p class="wp-block-paragraph">El error parece indicar que no se encuentra el archivo «./mysql/plugin.frm» pero esto no es correcto dado que al final del mensaje del error se registra un:</p>

<pre class="wp-block-code"><span><code class="hljs language-css">‘<span class="hljs-selector-attr">&#91;ERROR]</span> <span class="hljs-selector-tag">Can</span>’<span class="hljs-selector-tag">t</span> <span class="hljs-selector-tag">create</span> <span class="hljs-selector-tag">IP</span> <span class="hljs-selector-tag">socket</span>: <span class="hljs-selector-tag">Too</span> <span class="hljs-selector-tag">many</span> <span class="hljs-selector-tag">open</span> <span class="hljs-selector-tag">files</span> <span class="hljs-selector-tag">in</span> <span class="hljs-selector-tag">system</span>‘.</code></span></pre>

<p class="wp-block-paragraph">Este error final y causante de la falla indica que el servidor esta con problemas para atender dicha petición:</p>

<pre class="wp-block-code"><span><code class="hljs language-php"><span class="hljs-comment"># perror 23</span>
OS error code <span class="hljs-number">23</span>: Too many open files in system</code></span></pre>

<p class="wp-block-paragraph"><strong>Para incrementar este valor y así lograr levantar el Mysql debemos hacer:</strong></p>

<pre class="wp-block-code"><span><code class="hljs language-php"><span class="hljs-comment"># vi /etc/sysctl.conf</span>
Buscamos fs.file-max = <span class="hljs-number">65536</span> y lo incrementamos por ejemplo a <span class="hljs-number">200000</span>
Guardamos la edición del archivo y ejecutamos:
<span class="hljs-comment"># sysctl -p para aplicar la configuración modificada.</span>
Ahora si podremos reiniciar el servicio de mysql normalmente.</code></span></pre>

<p class="wp-block-paragraph"><strong>PD: Es recomendable que luego de un reinicio del server completo volvamos el valor de fs.file-max a 65536</strong></p>
<p>La entrada <a href="https://soyadmin.com/solucion-a-mysql-failing-to-start-with-message-cant-find-file-mysql-plugin-frm-errno-23/">Solución a: MySQL failing to start with message “Can’t find file: ‘./mysql/plugin.frm’ (errno: 23)”</a> se publicó primero en <a href="https://soyadmin.com">SoyAdmin.com</a>.</p>
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