Hi, We have updated our cluster from luminous 12.2.8 to nautilus 14.2.22 and users with this core kernel: Linux servername 4.9.241-37.el7.x86_64 #1 SMP Mon Nov 2 13:55:04 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Experiencing this issue when they try to map the image. (unmap works) [15085691.865199] libceph: mon2 10.10.10.10:6789 feature set mismatch, my 240106b84a842a52 < server's 260106b84aa42a52, missing 200000000200000 [15085691.890027] libceph: mon2 10.10.10.10:6789 missing required protocol features This kernel version works: Linux servername 3.10.0-1160.15.2.el7.x86_64 #1 SMP Wed Feb 3 15:06:38 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux I've read to set the crush tuneables to hammer and so on, at the moment those are on jewel I don't think is a good idea to set back even older one. Any idea how to fix it? Thank you ________________________________ This message is confidential and is for the sole use of the intended recipient(s). It may also be privileged or otherwise protected by copyright or other legal rules. If you have received it by mistake please let us know by reply email and delete it from your system. It is prohibited to copy this message or disclose its content to anyone. Any confidentiality or privilege is not waived or lost by any mistaken delivery or unauthorized disclosure of the message. All messages sent to and from Agoda may be monitored to ensure compliance with company policies, to protect the company's interests and to remove potential malware. Electronic messages may be intercepted, amended, lost or deleted, or contain viruses. _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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