Ah yes, that is exactly the case. I didn't realize these features had been backported. Thanks Dan *Jesse Galley* *Director, Mail Platform & Migrations, Hostopia* *C: 416.816.0866* *jesse.galley@xxxxxxxxxxxx <jesse.galley@xxxxxxxxxxxx>* On Tue, Jan 14, 2025 at 8:57 PM Dan van der Ster <dan.vanderster@xxxxxxxxx> wrote: > Hi Jesse, > > Are you by chance using kernel 3.10.0-... from EL7 ? > The EL kernels include backports from newer upstream kernels, and if I > look at kernel-3.10.0-1160.102.1.el7 for example, I see commits in > there at least up to date with upstream 4.17. > So that might explain your observation! > > Cheers, Dan > > On Tue, Jan 14, 2025 at 4:24 PM Jesse Galley <jesse.galley@xxxxxxxxxxxx> > wrote: > > > > Hello! > > > > The documentation on kernel client features states: "The feature has been > > supported since the Luminous release. It is recommended to use Linux > kernel > > clients >= 4.14 when there are multiple active MDS." > > > > My question is: what is the actual impact of using an old (3.10) client > > with a multi-mds FS? > > > > I used a 3.10 client to do some reads and writes of metadata pinned to > > different MDSs, and it all ostensibly worked fine. > > > > Is it purely a performance problem? Or is there a more serious issue > > lurking that my simple tests would not reveal. > > > > Thanks! > > > > *Jesse Galley* > > > > *Director, Mail Platform & Migrations, Hostopia* > > > > *C: 416.816.0866* > > > > *jesse.galley@xxxxxxxxxxxx <jesse.galley@xxxxxxxxxxxx>* > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > > > -- > Dan van der Ster > CTO @ CLYSO > Try our Ceph Analyzer -- https://analyzer.clyso.com/ > https://clyso.com | dan.vanderster@xxxxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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