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Hi Antony,</div>
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all Services must be stopped if the VIP moves away. There is a really complex structure behind the Services. The Services cannot start without VIP.</div>
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greets</div>
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Steffen</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>Von:</b> Users <users-bounces@clusterlabs.org> im Auftrag von Ken Gaillot <kgaillot@redhat.com><br>
<b>Gesendet:</b> Montag, 18. September 2023 16:36<br>
<b>An:</b> Cluster Labs - All topics related to open-source clustering welcomed <users@clusterlabs.org><br>
<b>Betreff:</b> Re: [ClusterLabs] Limit the number of resources starting/stoping in parallel possible?</font>
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<div class="PlainText">On Mon, 2023-09-18 at 14:24 +0000, Knauf Steffen wrote:<br>
> Hi,<br>
> <br>
> we have multiple Cluster (2 node + quorum setup) with more then 100<br>
> Resources ( 10 x VIP + 90 Microservices) per Node. <br>
> If the Resources are stopped/started at the same time the Server is<br>
> under heavy load, which may result into timeouts and an unresponsive<br>
> server. <br>
> We configured some Ordering Constraints (VIP --> Microservice). Is<br>
> there a way to limit the number of resources starting/stoping in<br>
> parallel?<br>
> Perhaps you have some other tips to handle such a situation.<br>
> <br>
> Thanks & greets<br>
> <br>
> Steffen<br>
> <br>
<br>
Hi,<br>
<br>
Yes, see the batch-limit cluster option:<br>
<br>
<a href="https://clusterlabs.org/pacemaker/doc/2.1/Pacemaker_Explained/html/options.html#cluster-options">https://clusterlabs.org/pacemaker/doc/2.1/Pacemaker_Explained/html/options.html#cluster-options</a><br>
<br>
-- <br>
Ken Gaillot <kgaillot@redhat.com><br>
<br>
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