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List:       ceph-users
Subject:    [ceph-users] ceph nfs-ganesha -  Unable to mount Ceph cluster
From:       Wyll Ingersoll <wyllys.ingersoll () keepertech ! com>
Date:       2022-06-29 16:23:06
Message-ID: DS7PR19MB59024DC347D929A0E940FF4DE2BB9 () DS7PR19MB5902 ! namprd19 ! prod ! outlook ! com
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[ceph pacific 16.2.9]

When creating a NFS export using "ceph nfs export apply ... -i export.json" for a \
subdirectory of /cephfs, does the subdir that you wish to export need to be \
pre-created or will ceph (or ganesha) create it for you?

I'm trying to create an "/shared" directory in a cephfs tree and export it using a \
JSON spec file, but the nfs-ganesha log file shows errors because it cannot mount or \
create the desired directory in cephfs.  If I manually create the directory prior to \
applying the export spec, it does work.  But it seems that ganesha is trying to \
create it for me so I'm wondering how to make that work.




29/06/2022 16:14:54 : epoch 62bc67c3 : foobar : ganesha.nfsd-6[sigmgr] create_export \
:FSAL :CRIT :Unable to mount Ceph cluster for /shared.

29/06/2022 16:14:54 : epoch 62bc67c3 : foobar : ganesha.nfsd-6[sigmgr] \
mdcache_fsal_create_export :FSAL :MAJ :Failed to call create_export on underlying \
FSAL Ceph

29/06/2022 16:14:54 : epoch 62bc67c3 : foobar : ganesha.nfsd-6[sigmgr] \
fsal_cfg_commit :CONFIG :CRIT :Could not create export for (/shared) to (/shared)

The JSON spec used looks like:


{

  "export_id": 2,

  "transports": [ "TCP" ],

  "cluster_id": "ceph",

  "path": "/shared",

  "pseudo": "/shared",

  "protocols": [4],

  "access_type": "RW",

  "squash": "no_root_squash",

  "fsal": {

    "name":  "CEPH",

    "user_id": "nfs.ceph.2",

    "fs_name": "cephfs"

  }

}


thanks,
   Wyllys Ingersoll

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