Re: ceph-deploy

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Hi John,

I have a feeling that I am missing something. Previously when I succeeded with bobtail with mkcephfs, I mounted the /dev/sdb1 partitions. There is nothing mentioned in the blog about it though.

Say I have 3 nodes ceph201 ceph202 and ceph 203. Each has a /dev/sdb1 partition formatted as xfs. Do I need to mount them in a particular directory prior running the command or ceph-deploy would take care of it?


On Thu, May 30, 2013 at 8:17 PM, John Wilkins <john.wilkins@xxxxxxxxxxx> wrote:
Dewan,

I encountered this too. I just did umount and reran the command and it
worked for me. I probably need to add a troubleshooting section for
ceph-deploy.

On Fri, May 24, 2013 at 4:00 PM, John Wilkins <john.wilkins@xxxxxxxxxxx> wrote:
> ceph-deploy does have an ability to push the client keyrings. I
> haven't encountered this as a problem. However, I have created a
> monitor and not seen it return a keyring. In other words, it failed
> but didn't give me a warning message. So I just re-executed creating
> the monitor. The directory from where you execute "ceph-deploy mon
> create" should have a ceph.client.admin.keyring too. If it doesn't,
> you might have had a problem creating the monitor. I don't believe you
> have to push the ceph.client.admin.keyring to all the nodes. So it
> shouldn't be barking back unless you failed to create the monitor, or
> if gatherkeys failed.
>
> On Thu, May 23, 2013 at 9:09 PM, Dewan Shamsul Alam
> <dewan.shamsul@xxxxxxxxx> wrote:
>> I just found that
>>
>> #ceph-deploy gatherkeys ceph0 ceph1 ceph2
>>
>> works only if I have bobtail. cuttlefish can't find ceph.client.admin.
>> keyring
>>
>> and then when I try this on bobtail, it says,
>>
>> root@cephdeploy:~/12.04# ceph-deploy osd create ceph0:/dev/sda3
>> ceph1:/dev/sda3 ceph2:/dev/sda3
>> ceph-disk: Error: Device is mounted: /dev/sda3
>> Traceback (most recent call last):
>>   File "/usr/bin/ceph-deploy", line 22, in <module>
>>     main()
>>   File "/usr/lib/pymodules/python2.7/ceph_deploy/cli.py", line 112, in main
>>     return args.func(args)
>>   File "/usr/lib/pymodules/python2.7/ceph_deploy/osd.py", line 293, in osd
>>     prepare(args, cfg, activate_prepared_disk=True)
>>   File "/usr/lib/pymodules/python2.7/ceph_deploy/osd.py", line 177, in
>> prepare
>>     dmcrypt_dir=args.dmcrypt_key_dir,
>>   File "/usr/lib/python2.7/dist-packages/pushy/protocol/proxy.py", line 255,
>> in <lambda>
>>     (conn.operator(type_, self, args, kwargs))
>>   File "/usr/lib/python2.7/dist-packages/pushy/protocol/connection.py", line
>> 66, in operator
>>     return self.send_request(type_, (object, args, kwargs))
>>   File "/usr/lib/python2.7/dist-packages/pushy/protocol/baseconnection.py",
>> line 323, in send_request
>>     return self.__handle(m)
>>   File "/usr/lib/python2.7/dist-packages/pushy/protocol/baseconnection.py",
>> line 639, in __handle
>>     raise e
>> pushy.protocol.proxy.ExceptionProxy: Command '['ceph-disk-prepare', '--',
>> '/dev/sda3']' returned non-zero exit status 1
>> root@cephdeploy:~/12.04#
>>
>>
>>
>>
>> On Thu, May 23, 2013 at 10:49 PM, Dewan Shamsul Alam
>> <dewan.shamsul@xxxxxxxxx> wrote:
>>>
>>> Hi,
>>>
>>> I tried ceph-deploy all day. Found that it has a python-setuptools as
>>> dependency. I knew about python-pushy. But is there any other dependency
>>> that I'm missing?
>>>
>>> The problem I'm getting are as follows:
>>>
>>> #ceph-deploy gatherkeys ceph0 ceph1 ceph2
>>> returns the following error,
>>> Unable to find /etc/ceph/ceph.client.admin.keyring on ['ceph0', 'ceph1',
>>> 'ceph2']
>>>
>>> Once I got passed this, I don't know why it works sometimes. I have been
>>> following the exact steps as mentioned in the blog.
>>>
>>> Then when I try to do
>>>
>>> ceph-deploy osd create ceph0:/dev/sda3 ceph1:/dev/sda3 ceph2:/dev/sda3
>>>
>>> It gets stuck.
>>>
>>> I'm using Ubuntu 13.04 for ceph-deploy and 12.04 for ceph nodes. I just
>>> need to get the cuttlefish working and willing to change the OS if it is
>>> required. Please help. :)
>>>
>>> Best Regards,
>>> Dewan Shamsul Alam
>>
>>
>>
>> _______________________________________________
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>> ceph-users@xxxxxxxxxxxxxx
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>
>
>
> --
> John Wilkins
> Senior Technical Writer
> Intank
> john.wilkins@xxxxxxxxxxx
> (415) 425-9599
> http://inktank.com



--
John Wilkins
Senior Technical Writer
Intank
john.wilkins@xxxxxxxxxxx
(415) 425-9599
http://inktank.com

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