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Helo Alastair,
<div>thank you for your patch.</div>
<div><br>
</div>
<div>I commented on the Github PR, but I'll post the same for future reference for the<br>
<div>lustre-discuss audience, that the GitHub PRs are not a pathway for landing</div>
<div>patches to Lustre. Patches need to be submitted to Gerrit so that they can be</div>
<div>reviewed, tested, and landed.</div>
<div><br>
</div>
<div>See <a href="https://wiki.lustre.org/Submitting_Changes">https://wiki.lustre.org/Submitting_Changes</a> for details.</div>
<div><br>
</div>
<div>Cheers, Andreas<br id="lineBreakAtBeginningOfMessage">
<div><br>
<blockquote type="cite">
<div>On Jan 17, 2025, at 10:13, Alastair Basden <a.g.basden@durham.ac.uk> wrote:</div>
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<div>Hi all,<br>
<br>
Problem solved - the lustre zfs dkms wasn't building due to a bug in /usr/src/lustre-zfs-2.16.1/dkms.conf<br>
pointing to 3 of the wrong directories.<br>
<br>
We've done a pull request in the lustre-release github.<br>
<br>
Cheers,<br>
Alastair.<br>
<br>
On Fri, 17 Jan 2025, Alastair Basden wrote:<br>
<br>
<blockquote type="cite">[EXTERNAL EMAIL]<br>
<br>
Hi all,<br>
<br>
We are upgrading lustre servers from 2.12 to 2.16 (Rocky9).<br>
<br>
The OSTs are zfs. (2.1.15)<br>
<br>
The zpools are imported fine, with the warning that a zpool upgrade is<br>
necessary for all features to become available. We haven't done this yet,<br>
as it removed backwards compatibility.<br>
<br>
To mount the OSTs, we do what we've always done, e.t.c<br>
mount -t lustre tank1/ost1 /mnt/lustre/ost1<br>
<br>
Upon trying to mount the OSTs, we get:<br>
mount.lustre: tank1/ost1 has not been formatted with mkfs.lustre or the backend filesystem type is not supported by this tool<br>
<br>
Has anyone tried this Lustre upgrade with zfs? Is it known to work?<br>
<br>
Is the solution to do a zpool upgrade?<br>
<br>
Cheers,<br>
Alastair.<br>
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</blockquote>
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<div>Cheers, Andreas</div>
<div>—</div>
<div>Andreas Dilger</div>
<div>Lustre Principal Architect</div>
<div>Whamcloud/DDN</div>
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