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On Fri, 2019-03-01 at 15:49 +0000, David C wrote:
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> Hi All
>
> Exporting cephfs with the CEPH_FSAL
>
> I set the following on a dir:
>
> setfattr -n ceph.quota.max_bytes -v 100000000 /dir
> setfattr -n ceph.quota.max_files -v 10 /dir
>
> From an NFSv4 client, the quota.max_bytes appears to be completely ignored, I
> can go GBs over the quota in the dir. The quota.max_files DOES work however,
> if I try and create more than 10 files, I'll get "Error opening file 'dir/new
> file': Disk quota exceeded" as expected.
>
> From a fuse-mount on the same server that is running nfs-ganesha, I've
> confirmed ceph.quota.max_bytes is enforcing the quota, I'm unable to copy
> more than 100MB into the dir.
>
> According to [1] and [2] this should work.
>
> Cluster is Luminous 12.2.10
>
> Package versions on nfs-ganesha server:
>
> nfs-ganesha-rados-grace-2.7.1-0.1.el7.x86_64
> nfs-ganesha-2.7.1-0.1.el7.x86_64
> nfs-ganesha-vfs-2.7.1-0.1.el7.x86_64
> nfs-ganesha-ceph-2.7.1-0.1.el7.x86_64
> libcephfs2-13.2.2-0.el7.x86_64
> ceph-fuse-12.2.10-0.el7.x86_64
>
> My Ganesha export:
>
> EXPORT
> {
> Export_ID=100;
> Protocols = 4;
> Transports = TCP;
> Path = /;
> Pseudo = /ceph/;
> Access_Type = RW;
> Attr_Expiration_Time = 0;
> #Manage_Gids = TRUE;
> Filesystem_Id = 100.1;
> FSAL {
> Name = CEPH;
> }
> }
>
> My ceph.conf client section:
>
> [client]
> mon host = 10.10.10.210:6789, 10.10.10.211:6789, 10.10.10.212:6789
> client_oc_size = 8388608000
> #fuse_default_permission=0
> client_acl_type=posix_acl
> client_quota = true
> client_quota_df = true
>
> Related links:
>
> [1] http://tracker.ceph.com/issues/16526
> [2] https://github.com/nfs-ganesha/nfs-ganesha/issues/100
>
> Thanks
> David
>
It looks like you're having ganesha do the mount as "client.admin", and
I suspect that that may allow you to bypass quotas? You may want to try
creating a cephx user with less privileges, have ganesha connect as that
user and see if it changes things?
--
Jeff Layton <jlay...@redhat.com>
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