Re: Mounting CephFS - mount error 5 = Input/output error

[Wyatt Gorman <wyattgorman@xxxxxxxxx>]

Does anyone have any ideas about the below authentication error?

---------- Forwarded message ----------
From: "Wyatt Gorman" <wyattgorman@xxxxxxxxx>
Date: May 7, 2013 1:34 PM
Subject: Re: [ceph-users] Mounting CephFS - mount error 5 = Input/output error
To: "Jens Kristian Søgaard" <jens@xxxxxxxxxxxxxxxxxxxx>, <ceph-users@xxxxxxxxxxxxxx>

Here's the result of running ceph-mds -i a -d

ceph-mds -i a -d
2013-05-07 13:33:11.816963 b732a710  0 starting mds.a at :/0
ceph version 0.56.6 (95a0bda7f007a33b0dc7adf4b330778fa1e5d70c), process ceph-mds, pid 9900
2013-05-07 13:33:11.824077 b4a1bb70  0 mds.-1.0 ms_handle_connect on 10.81.2.100:6789/0
2013-05-07 13:33:11.825629 b732a710 -1 mds.-1.0 ERROR: failed to authenticate: (1) Operation not permitted
2013-05-07 13:33:11.825653 b732a710  1 mds.-1.0 suicide.  wanted down:dne, now up:boot
2013-05-07 13:33:11.825973 b732a710  0 stopped.

This "ERROR: failed to authenticate: (1) Operation not permitted" indicates some problem with the authentication, correct? Something about my keyring? I created a new one with ceph-authtool -C and it still returns that error.

On Mon, May 6, 2013 at 1:53 PM, Jens Kristian Søgaard <jens@xxxxxxxxxxxxxxxxxxxx> wrote:

Hi,

how? running ceph-mds just returns the help page, and I'm not sure what arguments to use.

Try running

ceph-mds -i a -d

(if the id of your mds is a)

The -d means to to into the foreground and output debug information.

Normally you would start the mds from the service management system on your platform. On my Fedora system it look like this:

service ceph start mds.a

--
Jens Kristian Søgaard, Mermaid Consulting ApS,
jens@xxxxxxxxxxxxxxxxxxxx,
http://www.mermaidconsulting.com/

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