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<p class="MsoNormal"><span style="font-size:11.0pt">I would also highly recommend mpifileutils. Not only is very high performing but it is also lustre aware, allowing you to copy all non-lustre extended attributes (e.g. those associated with FACL’s) but honor
the striping/PFL settings on the new lustre file system. If you use another tool, be very careful with copying extended attributes, especially if your PFL/stripe settings are different between the two filesystems.
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">lustre-discuss <lustre-discuss-bounces@lists.lustre.org> on behalf of Åke Sandgren via lustre-discuss <lustre-discuss@lists.lustre.org><br>
<b>Date: </b>Wednesday, October 15, 2025 at 4:29</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black"> </span><span style="font-size:12.0pt;color:black">AM<br>
<b>To: </b>lustre-discuss@lists.lustre.org <lustre-discuss@lists.lustre.org><br>
<b>Subject: </b>[EXTERNAL] [BULK] Re: [lustre-discuss] Copying the data from one lustre to another lustre<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">CAUTION: This email originated from outside of NASA. Please take care when clicking links or opening attachments. Use the "Report Message" button to report suspicious messages to the NASA SOC.<br>
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<br>
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<br>
Hi!<br>
<br>
I'd recommend mpifileutils and the parallel dsync if they are two separate file systems.<br>
<br>
________________________________________<br>
From: lustre-discuss <lustre-discuss-bounces@lists.lustre.org> on behalf of Ihsan Ur Rahman via lustre-discuss <lustre-discuss@lists.lustre.org><br>
Sent: Wednesday, October 15, 2025 11:05<br>
To: lustre-discuss@lists.lustre.org<br>
Subject: [lustre-discuss] Copying the data from one lustre to another lustre<br>
<br>
Hello Lustre Community,<br>
<br>
We have two lustre file systems. One with the version 2.12.6 and the one with 2.15.7.<br>
<br>
We want to copy the data from lustre with version 2.12.6 to the lustre with version 2.15.7. Which approach shall we use to copy/move the data.<br>
<br>
Need your support.<br>
<br>
regards,<br>
<br>
Ihsan<br>
<br>
<br>
<br>
<br>
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