Problems getting nfs-ganesha with cephfs backend to work.

[Micha Krause <micha@xxxxxxxxxx>]

Hi,

im trying to get nfs-ganesha to work with ceph as the FSAL Backend.

Um using Version 2.4.5, this is my ganeasha.conf:

EXPORT
{
        Export_ID=1;
        Path = /;
        Pseudo = /;
        Access_Type = RW;
        Protocols = 3;
        Transports = TCP;
        FSAL {
                Name = CEPH;
                User_Id = "test-cephfs";
                Secret_Access_Key = "***";
        }
        CLIENT {
                Clients = client-fqdn;
                Access_Type = RO;
        }
}

Here are some loglines from ganeshea indicating that there is a problem:

17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] load_fsal :NFS STARTUP :DEBUG :Loading FSAL CEPH with /usr/lib/x86_64-linux-gnu/ganesha/libfsalceph.so
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] init :FSAL :DEBUG :Ceph module registering.
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] init_config :FSAL :DEBUG :Ceph module setup.
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] create_export :FSAL :CRIT :Unable to mount Ceph cluster for /.
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] mdcache_fsal_create_export :FSAL :MAJ :Failed to call create_export on underlying FSAL Ceph
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] fsal_put :FSAL :INFO :FSAL Ceph now unused
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] fsal_cfg_commit :CONFIG :CRIT :Could not create export for (/) to (/)
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] build_default_root :CONFIG :DEBUG :Allocating Pseudo root export
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] pseudofs_create_export :FSAL :DEBUG :Created exp 0x55daf1020d80 - /
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] build_default_root :CONFIG :INFO :Export 0 (/) successfully created
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] main :NFS STARTUP :WARN :No export entries found in configuration file !!!
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] config_errs_to_log :CONFIG :CRIT :Config File (/etc/ganesha/ganesha.conf:25): 1 validation errors in block FSAL
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] config_errs_to_log :CONFIG :CRIT :Config File (/etc/ganesha/ganesha.conf:25): Errors processing block (FSAL)
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] config_errs_to_log :CONFIG :CRIT :Config File (/etc/ganesha/ganesha.conf:11): 1 validation errors in block EXPORT
17/07/2017 10:20:49 : epoch 596c7360 : ngw02 : ganesha.nfsd-16430[main] config_errs_to_log :CONFIG :CRIT :Config File (/etc/ganesha/ganesha.conf:11): Errors processing block (EXPORT)

I have no problems mounting cephfs with the kernel-client on this machine, using the same authentication data.


Has anyone gotten this to work, and maybe could give me a hint on what I'm doing wrong?



Micha Krause
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