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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Lustre is transitionning /proc files to /sys per kernel developer requests.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Instead of chasing where these files are located now depending on your Lustre version, 'lctl get_param' is the official way to read them.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">This command will figure out where to properly read the files.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">De : </span></b><span style="font-size:12.0pt;color:black">lustre-discuss <lustre-discuss-bounces@lists.lustre.org> au nom de U Sawangwit <u.sawangwit@gmail.com><br>
<b>Date : </b>jeudi 25 juillet 2019 à 13:15<br>
<b>À : </b>"lustre-discuss@lists.lustre.org" <lustre-discuss@lists.lustre.org><br>
<b>Objet : </b>[lustre-discuss] osc and llite stats files are not exported to clients<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Dear all, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> I am having trouble with lustre monitoring using Ganglia gmond_python_modules <o:p></o:p></p>
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<p class="MsoNormal">(<a href="https://github.com/ganglia/gmond_python_modules/tree/master/lustre">https://github.com/ganglia/gmond_python_modules/tree/master/lustre</a>).<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Upon closer inspections, I found that the stats files in /proc/fs/lustre/osc/*/<o:p></o:p></p>
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<p class="MsoNormal">and /proc/fs/lustre/llite are missing (among other similar files in these directories). <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> However, lctl get_param osc.*.stats and lctl get_param llite.*.stats return <o:p></o:p></p>
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<p class="MsoNormal">parameters and values as you would expect. The stats files are what the <o:p></o:p></p>
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<p class="MsoNormal">gmond_python_modules wants hence the problem monitoring with Ganglia. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> After many searching around, could not figure out what I could have done to <o:p></o:p></p>
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<p class="MsoNormal">have stats export normally to clients and remounting did not help. On MDS and OSS,<o:p></o:p></p>
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<p class="MsoNormal">I can see the obdfiler/*/export/*/stats or mdt/*/export/*/stats<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> The lustre manual also said that the exporting of these info to client should be by <o:p></o:p></p>
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<p class="MsoNormal">default.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> Thank you in advance.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Cheers,<o:p></o:p></p>
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<p class="MsoNormal">Utane <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black">---------------------------------------------------------------------------------------<br>
Utane Sawangwit, PhD.<br>
Research Astronomer<br>
National Astronomical Research Institute of Thailand (NARIT)<br>
Sirindhon AstroPark, 260, Mue 4, Donkaew</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black">Mae-Rim, Chiang Mai, 50180, Thailand</span>
<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black">----------------------------------------------------------------------------------------<br>
</span><span style="font-family:"Tahoma",sans-serif;color:black">ดร</span><span style="font-family:"Times New Roman",serif;color:black">.
</span><span style="font-family:"Tahoma",sans-serif;color:black">อุเทน</span><span style="font-family:"Times New Roman",serif;color:black">
</span><span style="font-family:"Tahoma",sans-serif;color:black">แสวงวิทย์</span><span style="font-family:"Times New Roman",serif;color:black"><br>
</span><span style="font-family:"Tahoma",sans-serif;color:black">นักวิจัยชำนาญการ</span><span style="font-family:"Times New Roman",serif;color:black"><br>
</span><span style="font-family:"Tahoma",sans-serif;color:black">สถาบันวิจัยดาราศาสตร์แห่งชาติ</span><span style="font-family:"Times New Roman",serif;color:black">(</span><span style="font-family:"Tahoma",sans-serif;color:black">องค์การมหาชน</span><span style="font-family:"Times New Roman",serif;color:black">)<br>
</span><span style="font-family:"Tahoma",sans-serif;color:black">อุทยานดาราศาสตร์สิรินธร</span><span style="font-family:"Times New Roman",serif;color:black"> 260
</span><span style="font-family:"Tahoma",sans-serif;color:black">หมู่</span><span style="font-family:"Times New Roman",serif;color:black"> 4
</span><span style="font-family:"Tahoma",sans-serif;color:black">ต</span><span style="font-family:"Times New Roman",serif;color:black">.</span><span style="font-family:"Tahoma",sans-serif;color:black">ดอนแก้ว</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Tahoma",sans-serif;color:black">อ</span><span style="font-family:"Times New Roman",serif;color:black">.</span><span style="font-family:"Tahoma",sans-serif;color:black">แม่ริม</span><span style="font-family:"Times New Roman",serif;color:black">
</span><span style="font-family:"Tahoma",sans-serif;color:black">จ</span><span style="font-family:"Times New Roman",serif;color:black">.</span><span style="font-family:"Tahoma",sans-serif;color:black">เชียงใหม่</span><span style="font-family:"Times New Roman",serif;color:black">
50180</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif;color:black">---------------------------------------------------------------------------------------</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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