Re: cephfs test aborts complaining "fuse mount failed"

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On Sun, May 27, 2018 at 11:27 PM, Rishabh Dave <ridave@xxxxxxxxxx> wrote:
> Hi,
>
> I have been trying to run a test from
> qa/tasks/cephfs/test_volume_client.py but I get "RuntimeError: Fuse
> mount failed to populate /sys/ after 31 seconds".
>
> I am using the command "$  python2 ../qa/tasks/vstart_runner.py
> --interactive --create
> tasks.cephfs.test_volume_client.TestVolumeClient.test_default_prefix"
> to run the test and I've copied the output of this command here [1].
> Despite of the error I can mount using ceph-fuse it manually -
>
> $ sudo mkdir /mnt/cephfs && sudo ./bin/ceph-fuse /mnt/cephfs
> ceph-fuse[354]: starting ceph client
> ceph-fuse[354]: starting fuse
>
> Could it be something with the way fuse is configured? fuse.conf
> contains only 2 lines -
>
> $ cat /etc/fuse.conf
> mount_max = 1000
> user_allow_other

I haven't used this much, but as it says the task is looking for
specific fs mount "files" to be present in /sys. Have you looked to
see if they are appearing both ways? Is ceph-fuse in fact running when
test_volume_client.py is executed?
-Greg


>
> I've tried running the test after rebuilding ceph from scratch (tried
> "git clean -fdx" as well as getting a fresh copy of the ceph repo) and
> creating the virtual environment required for running tests again.
>
> I am using CentOS-7-x86_64-GenericCloud-1708 as my OS. The setup is
> odd indeed but vstart cluster as well as tests have worked fine
> before.
>
> Thanks,
> Rishabh
>
> [1] https://paste.fedoraproject.org/paste/4tdfEJY0DaW-sXPLa2WzZg
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