rbd: map failed

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Hello,

We have a user "testuser" with below permissions :

$ ceph auth get client.testuser
exported keyring for client.testuser
[client.testuser]
        key = ****==
        caps mon = "profile rbd"
        caps osd = "profile rbd pool=ecpool, profile rbd pool=cv, profile rbd-read-only pool=templates"


But when we try to map an image in pool 'templates' we get the below error : 
--------------
# rbd map templates/centos.7-4.x86-64.20171111 --id testuser
rbd: sysfs write failed
In some cases useful info is found in syslog - try "dmesg | tail".
rbd: map failed: (1) Operation not permitted


Is it because that user has only read permission in templates pool ?



Karun Josy
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