Re: mount.ceph ipv4 fails on dual-stack ceph

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On 12/7/21 09:52, Andrej Filipcic wrote:

Hi,

I am trying to mount cephfs on iipv4, where ceph is in dual stack mode, but it fails with:

[1692264.203560] libceph: wrong peer, want (1)153.5.68.28:6789/0, got (1)[2001:1470:ff94:d:153:5:68:28]:6789/0
[1692264.213297] libceph: mon2 (1)153.5.68.28:6789 wrong peer at address
[1692264.669683] libceph: wrong peer, want (1)153.5.68.28:6789/0, got (1)[2001:1470:ff94:d:153:5:68:28]:6789/0
[1692264.679423] libceph: mon2 (1)153.5.68.28:6789 wrong peer at address
[1692265.725673] libceph: wrong peer, want (1)153.5.68.28:6789/0, got (1)[2001:1470:ff94:d:153:5:68:28]:6789/0
[1692265.735416] libceph: mon2 (1)153.5.68.28:6789 wrong peer at address
[1692267.645424] libceph: wrong peer, want (1)153.5.68.28:6789/0, got (1)[2001:1470:ff94:d:153:5:68:28]:6789/0
[1692267.655164] libceph: mon2 (1)153.5.68.28:6789 wrong peer at address
[1692267.901476] libceph: wrong peer, want (1)153.5.68.4:6789/0, got (1)[2001:1470:ff94:d:153:5:68:4]:6789/0
[1692267.911041] libceph: mon1 (1)153.5.68.4:6789 wrong peer at address
...

and then it gives up.

mounting with ipv6 works fine, and the monitors and other daemons listen on both networks.

kernel is 5.10.78

Any hints?

AFAIK Ceph should does not support dual stack yet, although parts of it are capable of dual stack. See also [1].

Gr. Stefan

[1]: https://tracker.ceph.com/issues/49581
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