Hello Philippe, I do not see why changing the changelog mask would cause I/O error, especially as this seems transient. Did you happen to have any errors on your client hosts or MDS hosts as the time of your testing ? (see dmesg)
Aurélien ________________________________ De : lustre-discuss <lustre-discuss-boun...@lists.lustre.org> de la part de Philippe Weill <philippe.we...@latmos.ipsl.fr> Envoyé : mercredi 20 novembre 2024 07:11 À : lustre-discuss@lists.lustre.org <lustre-discuss@lists.lustre.org> Objet : [lustre-discuss] Report Strange Problem on 2.15.5 with changelog_mask External email: Use caution opening links or attachments Hello after passing the following command on our lustre MDS lctl set_param -P mdd.*-MDT0000.changelog_mask='MARK MTIME CTIME' unmounting and remounting the mdt on mds we had error on touch chmod chgrp existing files root@host:~# echo foobar > /scratch/root/foobar root@host:~# cat /scratch/root/foobar foobar root@host:~# echo foobar2 >> /scratch/root/foobar root@host:~# cat /scratch/root/foobar foobar foobar2 root@host:~# touch /scratch/root/foobar touch: setting times of '/scratch/root/foobar': Input/output error root@host:~# chgrp group /scratch/root/foobar chgrp: changing group of '/scratch/root/foobar': Input/output error root@host:~# chmod 666 /scratch/root/foobar chmod: changing permissions of '/scratch/root/foobar': Input/output error doing the following command lctl set_param -P mdd.*-MDT0000.changelog_mask='-MARK -MTIME -CTIME' and only activating non permanently for our robinhood lctl set_param mdd.*-MDT0000.changelog_mask='MARK MTIME CTIME' [root@mds ~]# lctl get_param mdd.scratch-MDT0000.changelog_mask mdd.scratch-MDT0000.changelog_mask=MARK MTIME CTIME everything started to work again Bug or bad use from us ? _______________________________________________ lustre-discuss mailing list lustre-discuss@lists.lustre.org https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.lustre.org%2Flistinfo.cgi%2Flustre-discuss-lustre.org&data=05%7C02%7Cadegremont%40nvidia.com%7C8f3380bfd4aa40cc551108dd092a6512%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C638676799899907487%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=PohwsBW6RfjTfXhTHh0WvnnRoRA6bbpZ1LJmSTlfEks%3D&reserved=0<http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org>
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