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		<title>messages日志报Error:emcp:emcp_pseudo_ctl_ioctl错误</title>
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		<pubDate>Sun, 02 Apr 2023 14:37:04 +0000</pubDate>
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<p>标题：<a href="https://www.xifenfei.com/2023/04/emcp_pseudo_ctl_ioctl.html" target="_blank">messages日志报Error:emcp:emcp_pseudo_ctl_ioctl错误</a></p>
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<p>在linux平台的rac中，当存储使用的是emc,而且多路径使用的是EMC PowerPath,我们有时候会在系统的/var/log/messages日志中看到类似这样的信息</p>
<pre class="brush: bash; title: ; notranslate">
Apr  2 18:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 18:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin
Apr  2 19:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x80081272, proc name: osysmond.bin
Apr  2 19:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 19:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin
Apr  2 20:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x80081272, proc name: osysmond.bin
Apr  2 20:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 20:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin
Apr  2 21:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x80081272, proc name: osysmond.bin
Apr  2 21:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 21:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin
Apr  2 22:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x80081272, proc name: osysmond.bin
Apr  2 22:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 22:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin
</pre>
<p>这些错误消息显示osysmond.bin已通过接口emcp_pseudo_ctl_ioctl发出具有无效命令的ioctl<br />
osysmond.bin是Oracle RAC Cluster Health Monitor<br />
emcp_pseudo_ctl_ioctl是EMC PowerPath内核驱动程序接口<br />
在系统没有其他异常的情况下,可以忽略该报错.<br />
参考:Oracle Linux: Error &#8221; Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0&#215;80081272, proc name: osysmond.bin&#8221; (Doc ID 2152706.1)</p>
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