Looks like you are trying to write to the pseudo-root, mount /cephfs instead of /. Paul -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90 On Sat, Apr 6, 2019 at 1:07 PM <thomas@xxxxxxxxxxxxxx> wrote: > > Hi all, > > > > I have recently setup a Ceph cluster and on request using CephFS (MDS version: ceph version 13.2.5 (cbff874f9007f1869bfd3821b7e33b2a6ffd4988) mimic (stable)) as a backend for NFS-Ganesha. I have successfully tested a direct mount with CephFS to read/write files, however I’m perplexed as to NFS mounting as read-only despite setting the RW flags. > > > > [root@mon02 mnt]# touch cephfs/test.txt > > touch: cannot touch âcephfs/test.txtâ: Read-only file system > > > > Configuration of Ganesha is below: > > > > NFS_CORE_PARAM > > { > > Enable_NLM = false; > > Enable_RQUOTA = false; > > Protocols = 4; > > } > > > > NFSv4 > > { > > Delegations = true; > > RecoveryBackend = rados_ng; > > Minor_Versions = 1,2; > > } > > > > CACHEINODE { > > Dir_Chunk = 0; > > NParts = 1; > > Cache_Size = 1; > > } > > > > EXPORT > > { > > Export_ID = 15; > > Path = "/"; > > Pseudo = "/cephfs/"; > > Access_Type = RW; > > NFS_Protocols = "4"; > > Squash = No_Root_Squash; > > Transport_Protocols = TCP; > > SecType = "none"; > > Attr_Expiration_Time = 0; > > Delegations = R; > > > > FSAL { > > Name = CEPH; > > User_Id = "ganesha"; > > Filesystem = "cephfs"; > > Secret_Access_Key = "<key here>"; > > } > > } > > > > > > Provided mount parameters: > > > > mount -t nfs -o nfsvers=4.1,proto=tcp,rw,noatime,sync 172.16.32.15:/ /mnt/cephfs > > > > I have tried stripping much of the config and altering mount options, but so far completely unable to decipher the cause. Also seems I’m not the only one who has been caught on this: > > > > https://www.spinics.net/lists/ceph-devel/msg41201.html > > > > Thanks in advance, > > > > Thomas > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
 |