The client key which is used to mount the FS needs the 'p' permission
to set xattrs. eg:
ceph fs authorize cephfs client.foo / rwsp
That might be your problem.
On Wed, Jul 31, 2019 at 5:43 AM Mattia Belluco <mattia.belluco@xxxxxx> wrote:
>
> Dear ceph users,
>
> We have been recently trying to use the two quota attributes:
>
> - ceph.quota.max_files
> - ceph.quota.max_bytes
>
> to prepare for quota enforcing.
>
> While the idea is quite straightforward we found out we cannot set any
> additional file attribute (we tried with the directory pinning, too): we
> get a straight "permission denied" each time.
>
> We are running the latest version of Mimic on a cluster used exclusively
> for cephfs.
>
> This is the output of a "ceph fs dump"
>
> Filesystem 'spindlefs' (4)
> fs_name spindlefs
> epoch 18062
> flags 12
> created 2019-02-21 17:53:48.240659
> modified 2019-07-30 16:52:13.141688
> tableserver 0
> root 0
> session_timeout 60
> session_autoclose 300
> max_file_size 1099511627776
> min_compat_client -1 (unspecified)
> last_failure 0
> last_failure_osd_epoch 31203
> compat compat={},rocompat={},incompat={1=base v0.20,2=client writeable
> ranges,3=default file layouts on dirs,4=dir inode in separate
> object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=no
> anchor table,9=file layout v2,10=snaprealm v2}
> max_mds 1
> in 0
> up {0=10744488}
> failed
> damaged
> stopped
> data_pools [11]
> metadata_pool 10
> inline_data disabled
> balancer
> standby_count_wanted 1
> 10744488: 10.129.48.46:6800/549232138 'mds-l15-34' mds.0.18058 up:active
> seq 49
>
> and the command we are trying to use:
>
> setfattr -n ceph.quota.max_bytes -v 100000000 /user/dir
>
> It should be all pretty much default and we could find no reference
> online regarding settings to allow the setfattr to succeed.
>
> Any hint is welcome.
>
> Kind regards
> mattia
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