Hello!
I want to mount CephFS with a dedicated user in order to avoid putting the
admin key on every client host.
Therefore I created a user account
ceph auth get-or-create client.mtyadm mon 'allow r' mds 'allow rw path=/MTY'
osd 'allow rw pool=hdb-backup,allow rw pool=hdb-backup_metadata' -o
/etc/ceph/ceph.client.mtyadm.keyring
and wrote out the keyring
ceph-authtool -p -n client.mtyadm ceph.client.mtyadm.keyring >
ceph.client.mtyadm.key
This user is now displayed in auth list:
client.mtyadm
key: AQBYu3VZLg66LBAAGM1jW+cvNE6BoJWfsORZKA==
caps: [mds] allow rw path=/MTY
caps: [mon] allow r
caps: [osd] allow rw pool=hdb-backup,allow rw pool=hdb-backup_metadata
When I try to mount directory /MTY on the client host I get this error:
ld2398:/etc/ceph # mount -t ceph ldcephmon1,ldcephmon2,ldcephmon2:/MTY
/mnt/cephfs -o name=mtyadm,secretfile=/etc/ceph/ceph.client.mtyadm.key
mount error 13 = Permission denied
The mount works using admin though:
ld2398:/etc/ceph # mount -t ceph ldcephmon1,ldcephmon2,ldcephmon2:/MTY
/mnt/cephfs -o name=admin,secretfile=/etc/ceph/ceph.client.admin.key
ld2398:/etc/ceph # mount | grep cephfs
10.96.5.37,10.96.5.38,10.96.5.38:/MTY on /mnt/cephfs type ceph
(rw,relatime,name=admin,secret=<hidden>,acl)
What is causing this mount error?
THX
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