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<span style="color: rgb(0, 0, 0); font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;">Hey Folks,</span><br>
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I got a strange message one of my HPC cluster nodes that I'm hoping to understand better: "<span style="font-family:Menlo; font-variant-ligatures:no-common-ligatures; background-color:rgb(254,244,156); display:inline!important">Reason for shutdown: Reset old
 shared segment</span>"</div>
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<span style="font-variant-ligatures:no-common-ligatures; font-variant-ligatures:no-common-ligatures">2019-05-23_11:47:07.328-0500: [I] This node has a valid standard license</span></p>
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<span style="font-variant-ligatures:no-common-ligatures; font-variant-ligatures:no-common-ligatures">2019-05-23_11:47:07.327-0500: [I] Initializing the fast condition variables at 0x555557115300 ...</span></p>
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<span style="font-variant-ligatures:no-common-ligatures; font-variant-ligatures:no-common-ligatures">2019-05-23_11:47:07.328-0500: [I] mmfsd initializing. {Version: 5.0.0.0
<span>  </span>Built: Dec 10 2017 16:59:21} ...</span></p>
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<span style="font-variant-ligatures:no-common-ligatures; font-variant-ligatures:no-common-ligatures">2019-05-23_11:47:07.328-0500: [I] Cleaning old shared memory ...</span></p>
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<span style="font-variant-ligatures:no-common-ligatures; font-variant-ligatures:no-common-ligatures">2019-05-23_11:47:07.328-0500: [N] mmfsd is shutting down.</span></p>
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<span style="font-variant-ligatures:no-common-ligatures; font-variant-ligatures:no-common-ligatures">2019-05-23_11:47:07.328-0500: [N] Reason for shutdown: Reset old shared segment</span></p>
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Shortly after the GPFS is back up without any intervention:</div>
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<span style="font-variant-ligatures:no-common-ligatures; font-variant-ligatures:no-common-ligatures">2019-05-23_11:47:52.685-0500: [N] Remounted gpfs1</span></p>
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<span style="font-variant-ligatures:no-common-ligatures; font-variant-ligatures:no-common-ligatures">2019-05-23_11:47:52.691-0500: [N] mmfsd ready</span></p>
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I'm supposing this has to do with memory usage??...</div>
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<font face="Calibri,Arial,Helvetica,sans-serif">Thanks,</font></div>
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<font face="Calibri,Arial,Helvetica,sans-serif">Siji Saula</font></div>
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<font face="Calibri,Arial,Helvetica,sans-serif">HPC System Administrator</font></div>
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<font face="Calibri,Arial,Helvetica,sans-serif">Center for Computationally Assisted Science & Technology</font></div>
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<b>NORTH DAKOTA STATE UNIVERSITY</b></div>
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<a href="https://www.ndsu.edu/alphaindex/buildings/Building::395" target="_blank" id="LPNoLP"><span id="LPNoLP"></span></a><span id="LPNoLP" style="font-family:Calibri,Arial,Helvetica,sans-serif,serif,EmojiFont; font-size:16px"><a href="https://www.ndsu.edu/alphaindex/buildings/Building::396" target="_blank" rel="noopener noreferrer" id="LPNoLP"><span style="color:rgb(0,111,201)">Research
 2 Building</span></a><a href="https://www.ndsu.edu/alphaindex/buildings/Building::395" target="_blank" rel="noopener noreferrer" id="LPNoLP"></a></span><span style="font-family:Calibri,Arial,Helvetica,sans-serif,serif,EmojiFont; font-size:16px"> – </span><span tabindex="0" class="x_contextualExtensionHighlight x_ms-font-color-themePrimary x_ms-border-color-themePrimary x_ident_1641_1697" style="font-family:Calibri,Arial,Helvetica,sans-serif,serif,EmojiFont; font-size:16px; color:rgb(0,0,0)">Room
 220B</span></div>
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Dept 4100, PO Box 6050  / Fargo, ND 58108-6050</div>
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p:701.231.7749</div>
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