[ceph-users] Re: Rogue EXDEV errors when hardlinking

2025-03-24 Thread Frédéric Nass
Hi, So for the record, any version above v16.2.14+, v17.2.7+ or v18.1.2+ has the fix. Regards, Frédéric. - Le 21 Mar 25, à 18:55, Gregory Farnum a écrit : Sounds like the scenario addressed in this PR: [ https://github.com/ceph/ceph/pull/47399 | https://github.com/ceph/ceph/pull/

[ceph-users] Re: Rogue EXDEV errors when hardlinking

2025-03-21 Thread Gregory Farnum
Sounds like the scenario addressed in this PR: https://github.com/ceph/ceph/pull/47399 The tracker ticket it links indicates it should be fixed in reasonably modern point releases, but the PR has a better description of the issue. :) So it is presumably an older mds version, and the workload invol

[ceph-users] Re: Rogue EXDEV errors when hardlinking

2025-03-21 Thread Domhnall McGuigan
Hi Frédéric, there were no file quotas in place, no, and it's using the ceph kernel client rather than FUSE. I also already saw those links while investigating our problems, and neither situation would give a satisfactory explanation for why the 500ms retry would make the second attempt at link

[ceph-users] Re: Rogue EXDEV errors when hardlinking

2025-03-21 Thread Frédéric Nass
Hi Domhnall, - Le 20 Mar 25, à 17:45, Domhnall McGuigan dmcgui...@kx.com a écrit : > Hi all, we've been seeing persistent problems when trying to create hardlinks > on > cephfs; it's returning EXDEV in a way that makes no sense given typical POSIX > behaviour and ceph documentation. Here's a