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<p>Hi Fred,</p>
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<p>thanks a lot for the hints. Hence, I'll try with 3WayReplication as this is the only raid code supporting 256KB, and data and metadata in the same pool (I guess is not worth to split it here).</p>
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<p>Thanks a lot for your help,</p>
<p>Marc <br>
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<div class="PlainText">_________________________________________________________<br>
Paul Scherrer Institut <br>
High Performance Computing & Emerging Technologies<br>
Marc Caubet Serrabou<br>
Building/Room: OHSA/014</div>
<div class="PlainText"><font size="2"><span style="font-size:10pt">Forschungsstrasse, 111</span></font></div>
<div class="PlainText">5232 Villigen PSI<br>
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Telephone: +41 56 310 46 67<br>
E-Mail: marc.caubet@psi.ch</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> gpfsug-discuss-bounces@spectrumscale.org <gpfsug-discuss-bounces@spectrumscale.org> on behalf of Frederick Stock <stockf@us.ibm.com><br>
<b>Sent:</b> Thursday, June 25, 2020 1:08:39 PM<br>
<b>To:</b> gpfsug-discuss@spectrumscale.org<br>
<b>Cc:</b> gpfsug-discuss@spectrumscale.org<br>
<b>Subject:</b> Re: [gpfsug-discuss] Dedicated filesystem for cesSharedRoot</font>
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<div dir="ltr">Generally these file systems are configured with a block size of 256KB. As for inodes I would not pre-allocate any and set the initial maximum size to value such as 5000 since it can be increased if necessary.</div>
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<font size="2" face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif"><span style="font-size:1.143em;">Fred<br>
__________________________________________________<br>
Fred Stock | IBM Pittsburgh Lab | 720-430-8821<br>
stockf@us.ibm.com</span></font></div>
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----- Original message -----<br>
From: "Caubet Serrabou Marc (PSI)" <marc.caubet@psi.ch><br>
Sent by: gpfsug-discuss-bounces@spectrumscale.org<br>
To: gpfsug main discussion list <gpfsug-discuss@spectrumscale.org><br>
Cc:<br>
Subject: [EXTERNAL] [gpfsug-discuss] Dedicated filesystem for cesSharedRoot<br>
Date: Thu, Jun 25, 2020 6:47 AM<br>
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<p>Hi all,</p>
<p> </p>
<p>I would like to use CES for exporting Samba and NFS. However, when reading the documentation (<a href="https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.4/com.ibm.spectrum.scale.v5r04.doc/bl1adm_setcessharedroot.htm" id="LPlnk695968" previewremoved="true" target="_blank">https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.4/com.ibm.spectrum.scale.v5r04.doc/bl1adm_setcessharedroot.htm</a>),
is recommended (but not enforced) the use of a dedicated filesystem (of at least 4GB).</p>
<p> </p>
<p>Is there any best practice or recommendation for configuring this filesystem? This is: inode / block sizes, number of expected files in the filesystem, ideal size for this filesystem (from my understanding, 4GB should be enough, but I am not sure if there
are conditions that would require a bigger one).</p>
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<p>Thanks a lot and best regards,</p>
<p>Marc </p>
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<div><font size="2"><span style="font-size:10pt">_________________________________________________________<br>
Paul Scherrer Institut<br>
High Performance Computing & Emerging Technologies<br>
Marc Caubet Serrabou<br>
Building/Room: OHSA/014</span></font></div>
<div><font size="2"><span style="font-size:10pt"><font size="2"><span style="font-size:10pt">Forschungsstrasse, 111</span></font></span></font></div>
<div><font size="2"><span style="font-size:10pt">5232 Villigen PSI<br>
Switzerland<br>
<br>
Telephone: +41 56 310 46 67<br>
E-Mail: marc.caubet@psi.ch</span></font></div>
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