Possibly the client doesn't like the server returning SecType = "none";
Maybe try SecType = "sys":?
Leon L. Robinson
> On 6 Apr 2019, at 12:06, <tho...@thomaswhite.se> <tho...@thomaswhite.se>
> 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
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