Re: trouble adding OSDs - which documentation to use

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Seas Wolfgang,

Am 2013-10-02 09:01, schrieb Wolfgang Hennerbichler:
> On 10/01/2013 05:08 PM, Jogi Hofmüller wrote:

>> Is this [1] outdated?  If not, why are the links to chef-* not
>> working? Is chef-* still recommended/used?
> 
> I believe this is a matter of taste. I can not say if this is
> outdated, but I prefer not to use chef but only ceph-deploy.

Ah, good.  That's what I was thinking somehow.

> Others might have different opinions on that, but I am the
> old-fashioned guy who puts the stuff into his configuration file (like
> bobtail used to be).
> This works for me (ceph.conf):
> 
> [osd.0]
>         host = rd-c2
>         devs = /dev/sdb
> 
> [osd.1]
>         host = rd-c2
>         devs = /dev/sdc
> 
> ...
> 
> On startup ceph mounts the disk to /var/lib/ceph/osd/ceph-[OSD-Number]
> and works.

Actually that is what I expected.  Thing is (just reproduced it) that my
OSDs won't start after rebooting the host.  For example:

root@ceph-server1:~# service ceph start
=== osd.0 ===
No filesystem type defined!

This is the relevant part of the config:

[osd.0]
        host = ceph-server1
        devs = /dev/sdb

And now I see that ceph-deploy disk list run on the admin host tells me:

ceph@ceph-admin:~/mur-cluster$ ceph-deploy disk list ceph-server1
[ceph_deploy.sudo_pushy][DEBUG ] will use a remote connection with sudo
[ceph_deploy.osd][INFO  ] Distro info: Debian 7.1 wheezy
[ceph_deploy.osd][DEBUG ] Listing disks on ceph-server1...
[ceph-server1][INFO  ] Running command: ceph-disk list
[ceph-server1][INFO  ] /dev/sda :
[ceph-server1][INFO  ]  /dev/sda1 ceph data, prepared, unknown cluster
b134da22-a3dd-41cb-95c2-fb6a75af8c1f, osd.0, journal /dev/sda2
[ceph-server1][INFO  ]  /dev/sda2 ceph journal, for /dev/sda1
[ceph-server1][INFO  ] /dev/sdb :
[ceph-server1][INFO  ]  /dev/sdb1 ceph data, prepared, unknown cluster
b134da22-a3dd-41cb-95c2-fb6a75af8c1f, osd.1, journal /dev/sdb2
[ceph-server1][INFO  ]  /dev/sdb2 ceph journal, for /dev/sdb1


Which completely fries my brain (unknown cluster
b134da22-a3dd-41cb-95c2-fb6a75af8c1f) ...

Any hint on what went wrong here?  Is the unknown cluster the reason for
the unknown filesystem?

Cheers!
-- 
j.hofmüller

Optimism doesn't alter the laws of physics.         - Subcommander T'Pol

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