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<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Thanks for the input. User is not near quota and can just rerun the job and it works so its not a repeatable operation which makes it harder to diagnose if the software is doing
something particular strange (that is why we only see it in particular software) which we could workaround in the meantime some-how.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Hopefully with the information we do obtain when it freezes it is pointing us to some possible solution.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Tom<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">lustre-discuss <lustre-discuss-bounces@lists.lustre.org> on behalf of Shaun Tancheff via lustre-discuss <lustre-discuss@lists.lustre.org><br>
<b>Date: </b>Thursday, 2 October 2025 at 04:02<br>
<b>To: </b>lustre-discuss@lists.lustre.org <lustre-discuss@lists.lustre.org><br>
<b>Subject: </b>Re: [lustre-discuss] Reproducer for known Arm/X86 pagesize issue LU-17525<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">On 10/1/25 15:19, Tom Green via lustre-discuss wrote:<br>
> Hi,<br>
> <br>
> Currently experiencing, on rare occasions, hung IO activity where we <br>
> suspect is related to:<br>
> <br>
> <a href="https://jira.whamcloud.com/browse/LU-17525">https://jira.whamcloud.com/browse/LU-17525</a> <https://urldefense.com/v3/
<br>
> __https://jira.whamcloud.com/browse/LU-17525__;!!NpxR! <br>
> htdOeS8P8g4PHzBcH65G_4DY52dNiVAnvVnbuSftCWx2JLNJRqb09DoT8OwvcXb02xFR-3b7gGHP6_lL23MI-YpaGvakGejz$><br>
> <br>
> We have aarch64 clients at 64k page sizes with x86 servers with 4kb <br>
> pagesize using Lustre 2.15 from HPE. We see the same error reported in <br>
> the issue and would like an easy way to reproduce the issue so we can <br>
> check other similar storage systems. Would a test have been added <br>
> somewhere to make sure the same issue is not encountered again in the <br>
> future?<br>
> <br>
> Any advice would be appreciated<br>
<br>
Quota?<br>
This was landed to work around quota hitting a similar hang with quota:<br>
<a href="https://jira.whamcloud.com/browse/LU-18691">https://jira.whamcloud.com/browse/LU-18691</a><br>
<br>
<br>
LU-19180 is in progress to resolve the interop:<br>
<a href="https://jira.whamcloud.com/browse/LU-19180">https://jira.whamcloud.com/browse/LU-19180</a><br>
<br>
<br>
> Thanks.<br>
> <br>
> <br>
> Tom<br>
> <br>
> -- <br>
> <br>
> *Thomas Green*<br>
> _AI Supercomputing Infrastructure Specialist_<br>
> <br>
> University of Bristol, 1 Cathedral Square, Trinity Street, College <br>
> Green, Bristol<br>
> BS1 5DD, UK<br>
> <br>
> Tel:+441174550298 <tel:+441174550298><br>
> BriCS webpage: <a href="http://bristol.ac.uk/supercomputing">http://bristol.ac.uk/supercomputing</a> <https://
<br>
> urldefense.com/v3/__http://bristol.ac.uk/supercomputing__;!!NpxR! <br>
> htdOeS8P8g4PHzBcH65G_4DY52dNiVAnvVnbuSftCWx2JLNJRqb09DoT8OwvcXb02xFR-3b7gGHP6_lL23MI-YpaGiucttJH$><br>
> <br>
> Top 10 UK university and 54th in the world (QS Rankings 2025)<br>
> Top 5 UK university for research (THE analysis of REF 2021)<br>
> Top 5 most targeted university by top UK employers (High Fliers 2024)<br>
> <br>
> <br>
> _______________________________________________<br>
> lustre-discuss mailing list<br>
> lustre-discuss@lists.lustre.org<br>
> <a href="https://urldefense.com/v3/__http:/lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org__;!!NpxR!htdOeS8P8g4PHzBcH65G_4DY52dNiVAnvVnbuSftCWx2JLNJRqb09DoT8OwvcXb02xFR-3b7gGHP6_lL23MI-YpaGoyxUWQC$">
https://urldefense.com/v3/__http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org__;!!NpxR!htdOeS8P8g4PHzBcH65G_4DY52dNiVAnvVnbuSftCWx2JLNJRqb09DoT8OwvcXb02xFR-3b7gGHP6_lL23MI-YpaGoyxUWQC$</a><br>
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