I think keyring is fine, as i can run other commands like:

rbd ls --pool rbd --name client.admin
archiveadmin

and was able to create the image

rbd info archiveadmin --pool rbd --name client.admin
rbd image 'archiveadmin':
        size 4096 MB in 1024 objects
        order 22 (4096 KB objects)
        block_name_prefix: rb.0.2c68.2ae8944a
        format: 1

From: Karan Singh [mailto:ksi...@csc.fi]
Sent: Mittwoch, 30. Oktober 2013 10:57
To: Fuchs, Andreas (SwissTXT)
Cc: ceph-users@lists.ceph.com
Subject: Re: [ceph-users] rbd on ubuntu 12.04 LTS

Andi

Dont know much about but checking on keyrings side will give you more 
information. Socket read problem usually caused by keyrings.

Regards
Karan


________________________________
From: "Andreas Fuchs (SwissTXT)" 
<andreas.fu...@swisstxt.ch<mailto:andreas.fu...@swisstxt.ch>>
To: ceph-users@lists.ceph.com<mailto:ceph-users@lists.ceph.com>
Sent: Wednesday, 30 October, 2013 11:53:23 AM
Subject: [ceph-users] rbd on ubuntu 12.04 LTS

Hi

Im trying to mount a ceph rdb on a ubuntu 12.04 LTS with kernel 3.8.0

While our ceph cluster is healty running on  0.67.4 I’m not able to map the rbd 
device

The command:
rbd map archiveadmin --pool rbd --name client.admin  --log-to-stderr
rbd: add failed: (5) Input/output error

In syslog:
Oct 30 10:48:13 ceph00 kernel: [  135.945476] Key type ceph registered
Oct 30 10:48:13 ceph00 kernel: [  135.945483] libceph: loaded (mon/osd proto 
15/24, osdmap 5/6 5/6)
Oct 30 10:48:13 ceph00 kernel: [  135.954829] rbd: loaded rbd (rados block 
device)
Oct 30 10:48:13 ceph00 kernel: [  135.956200] libceph: mon0 10.100.214.11:6789 
feature set mismatch, my 40002 < server's 40040002, missing 40000000
Oct 30 10:48:13 ceph00 kernel: [  135.956400] libceph: mon0 10.100.214.11:6789 
socket error on read

Where does this mismatch come from? I thought I have upgrade all ceph packets 
everywhere to 0.67.4, or is the kernel too old?

Regards
Andi

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