<div dir="auto">These locks seems a bit excessive.. even blocking for mmstartup, which means a node can’t join the cluster for hours during enclosure updates.</div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"> -jf</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">fre. 30. jun. 2023 kl. 22:59 skrev Steve Duersch <<a href="mailto:duersch@us.ibm.com">duersch@us.ibm.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">
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<p class="MsoNormal"><span style="font-size:12pt;color:black">This behavior is expected. A cluster wide lock is necessary because mmchfirmware itself will update the cluster as a whole during this process. So, there shouldn't be a need to run updates
elsewhere at the same time.<u></u><u></u></span></p>
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<p class="MsoNormal"><span>Steve Duersch<u></u><u></u></span></p>
<p class="MsoNormal"><span>IBM Storage Scale/Storage Scale System<u></u><u></u></span></p>
<p class="MsoNormal"><span>845-433-7902<u></u><u></u></span></p>
<p class="MsoNormal"><span>IBM Poughkeepsie, New York</span><u></u><u></u></p>
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<pre style="background:0% repeat white;white-space:pre-wrap;font-variant-caps:normal;text-align:start;word-spacing:0px;font-family:monospace"><span style="font-family:monospace;color:black">Hi<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
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<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">If you are doing it offline (which for bigger setups) and pass the class or CSV of nodes, it is done in parallel in all nodes.<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
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<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">For your request I think there is a RFE (not sure public or not) already created, but I don’t disagree would be nice improvement to lock at the single BB<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
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<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">-----Original Message-----<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">From: gpfsug-discuss <<a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss_gpfsug.org" target="_blank" style="font-family:monospace">gpfsug-discuss-bounces at gpfsug.org</a>> On Behalf Of Hannappel, Juergen<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">Sent: Tuesday, 27 June 2023 19.07<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
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<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">Subject: [EXTERNAL] [gpfsug-discuss] Why cluster-wide locks for firmware-updates and the like<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
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<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">Moin,<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">when e.g doing mmchfirmware there is a cluster-wide lock preventing me from running mmchfirmware on several building blocks at once, while I would assume that only within one building block a lock is needed.<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">Why is that so? Can that be changed in a future release?<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
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<pre style="background:0% repeat white;font-family:monospace"><span style="font-family:monospace;color:black">Also some apparently cluster wide locks create false alarms when checking for the recovery group status on one building block is blocked by some actions on another one...<u style="font-family:monospace"></u><u style="font-family:monospace"></u></span></pre>
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