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Hi All, </div>
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We have the following setup:</div>
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2 MDS's (active/passive pair), one is the MGC, while the other is the active MDS.</div>
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On the MDS that also runs the MGC, we did this:</div>
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lctl nodemap_add_range --name anunna --range 192.168.48.100@tcp2</div>
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This results in the following nodemap ranges:</div>
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for node in mds200 mds201;do echo $node;ssh -x $node lctl get_param -R nodemap.anunna.ranges;done</div>
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mds200</div>
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nodemap.anunna.ranges=</div>
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[</div>
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{ id: 11, start_nid: 192.168.48.232@tcp2, end_nid: 192.168.48.232@tcp2 },</div>
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{ id: 10, start_nid: 192.168.48.231@tcp2, end_nid: 192.168.48.231@tcp2 },</div>
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{ id: 9, start_nid: 192.168.48.249@tcp2, end_nid: 192.168.48.249@tcp2 },</div>
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{ id: 6, start_nid: 192.168.2.0@o2ib, end_nid: 192.168.2.255@o2ib },</div>
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{ id: 5, start_nid: 192.168.33.0@o2ib2, end_nid: 192.168.33.255@o2ib2 },</div>
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{ id: 4, start_nid: 192.168.32.0@o2ib2, end_nid: 192.168.32.255@o2ib2 }</div>
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]</div>
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mds201</div>
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nodemap.anunna.ranges=</div>
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[</div>
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{ id: 12, start_nid: 192.168.48.100@tcp2, end_nid: 192.168.48.100@tcp2 },</div>
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{ id: 11, start_nid: 192.168.48.232@tcp2, end_nid: 192.168.48.232@tcp2 },</div>
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{ id: 10, start_nid: 192.168.48.231@tcp2, end_nid: 192.168.48.231@tcp2 },</div>
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{ id: 9, start_nid: 192.168.48.249@tcp2, end_nid: 192.168.48.249@tcp2 },</div>
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{ id: 6, start_nid: 192.168.2.0@o2ib, end_nid: 192.168.2.255@o2ib },</div>
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{ id: 5, start_nid: 192.168.33.0@o2ib2, end_nid: 192.168.33.255@o2ib2 },</div>
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{ id: 4, start_nid: 192.168.32.0@o2ib2, end_nid: 192.168.32.255@o2ib2 }</div>
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]</div>
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As you can see mds201 (the one running the MGC) nicely has the additional IP range, but the active MDS doesn't.</div>
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As one might imagine, this then results in a non working client, we get permission denied errors if we want to access the mount.</div>
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As this is our production system, I would like to propagate the new nodemap range to the active MDS from the MGC without having to restart the service, if possible.</div>
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I haven't found the command to do this in the documentation, and our friendly LLMs all give very bad advice.</div>
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Does anybody here have (a pointer to) a solution? </div>
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With kind regards,</div>
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<span style="font-family: Consolas; font-size: 9pt; color: black;">Jan van Haarst</span></p>
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<span style="font-family: Consolas; font-size: 9pt; color: black;">HPC Administrator</span></p>
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<span style="font-family: Consolas; font-size: 9pt; color: black;">For Anunna/HPC questions, please use
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<span style="font-family: Consolas; font-size: 9pt; color: black;">Afdeling Informatie Technologie </span></p>
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<span style="font-family: Consolas; font-size: 9pt; color: black;">Postbus 59, 6700 AB, Wageningen </span></p>
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