Re: installing multi osd and monitor of ceph in single VM

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On Thu, Aug 11, 2016 at 12:45 AM, agung Laksono <agung.smarts@xxxxxxxxx> wrote:
> I've seen the Ansible before  but not in detail for that.
> I also have tried to run quick guide for development.
> It did not work on my VM that I already install ceph inside it.
>
> the error is :
>
>  agung@arrasyid:~/ceph/ceph/src$ ./vstart.sh -d -n -x
> ** going verbose **
> [./fetch_config /tmp/fetched.ceph.conf.3818]
> ./init-ceph: failed to fetch config with './fetch_config
> /tmp/fetched.ceph.conf.3818'
>
>
> Do I need to use a vanilla ceph to make vstart.sh work?
>
> When I learn a cloud system, usually I compile
> the source code,  run in pseudo-distributed, modify the code
> and add prints somewhere, recompile and re-run the system.
> Might this method work for exploring ceph?

It should, sure.

Try this. 

1) Clone a fresh copy of the repo.
2) ./do_cmake.sh
3) cd build
4) make
5) OSD=3 MON=3 MDS=1 ../src/vstart.sh -n -x -l
6) bin/ceph -s

That should give you a working cluster with 3 MONs, 3 OSDs and 1 MDS.

-- 
Cheers,
Brad

>
>
> On Wed, Aug 10, 2016 at 9:14 AM, Brad Hubbard <bhubbard@xxxxxxxxxx> wrote:
>>
>> On Wed, Aug 10, 2016 at 12:26 AM, agung Laksono <agung.smarts@xxxxxxxxx>
>> wrote:
>> >
>> > Hi Ceph users,
>> >
>> > I am new in ceph. I've been succeed installing ceph in 4 VM using Quick
>> > installation guide in ceph documentation.
>> >
>> > And I've also done to compile
>> > ceph from source code, build and install in single vm.
>> >
>> > What I want to do next is that run ceph multiple nodes in a cluster
>> > but only inside a single machine. I need this because I will
>> > learn the ceph code and will modify some codes, recompile and
>> > redeploy on the node/VM. On my study, I've also to be able to run/kill
>> > particular node.
>> >
>> > does somebody know how to configure single vm to run multiple osd and
>> > monitor of ceph?
>> >
>> > Advises and comments are very appreciate. thanks
>>
>> Hi,
>>
>> Did you see this?
>>
>>
>> http://docs.ceph.com/docs/hammer/dev/quick_guide/#running-a-development-deployment
>>
>> Also take a look at the AIO (all in one) options in ceph-ansible.
>>
>> HTH,
>> Brad
>
>
>
>
> --
> Cheers,
>
> Agung Laksono
>


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