Thanks Travis..
Here it is..
Ceph is giant.
Libvirt is from Ubuntu 14.04 repo only...
ems@emsnode4:~$ sudo dpkg -l | grep libvirt*
ii libvirt-bin 1.2.2-0ubuntu13.1.9
amd64 programs for the libvirt library
ii libvirt0 1.2.2-0ubuntu13.1.9
amd64 library for interfacing with different
virtualization systems
ems@emsnode4:~$ sudo dpkg -l | grep ceph-deploy
ii ceph-deploy 1.5.21
all Ceph-deploy is an easy to use configuration tool
ems@emsnode4:~$
ems@emsnode4:~$ ceph-deploy --version
1.5.21
ems@emsnode4:~$
Regards
Somnath
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Travis Rhoden
Sent: Wednesday, February 25, 2015 4:23 PM
To: Somnath Roy
Cc: Sage Weil; Ceph Development
Subject: Re: librados2 and librbd1 dependency on libvirt-bin
Somnath,
Just so I can try to recreate fully, can you also tell me the version of Ceph
you are using, the version of ceph-deploy (previously mentioned), and the
version of libvirt? For example, if you have the Juno cloud-archive enabled or
anything.
- Travis
On Wed, Feb 25, 2015 at 3:36 PM, Somnath Roy <[email protected]> wrote:
> Thanks Sage !
> But, I think this is a serious issue, every time we will purge the
> cluster all the node network will be down :-( Basically, it should not delete
> any component on which non-ceph components are dependent.
> We need this purge-lite kind of stuff.
>
> Thanks & Regards
> Somnath
>
> -----Original Message-----
> From: Sage Weil [mailto:[email protected]]
> Sent: Wednesday, February 25, 2015 3:21 PM
> To: Somnath Roy
> Cc: Ceph Development
> Subject: Re: librados2 and librbd1 dependency on libvirt-bin
>
> On Wed, 25 Feb 2015, Somnath Roy wrote:
>> Hi,
>> We are facing problem that ceph-deploy purge is uninstalling latest Mellanox
>> ofed driver packages.
>> Digging down more we found libvirt-bin is dependent on librados2/librbd1.
>> So, here is what happening.
>>
>> 1. Mellanox ofed driver has a dependency on the libvirt-bin*
>>
>> 2. purging librados2/librbd1 is removing libvirt-bin and resulting the
>> removal of the Mellanox driver package as well.
>>
>> Here is what I found.
>>
>> http://packages.ubuntu.com/trusty/devel/libvirt-bin
>>
>> ubuntu@ip-10-15-16-211:~$ apt-cache rdepends librados2 [...]
>
> The problem is that libvirt (and probably qemu) are built against librbd1.
> If you remove librbd1, those get removed too.
>
>> So, I am curious why libvirt-bin has a depencey on librados2/librbd1 ?
>
> qemu needs it for obvious reasons. libvirt needs it to manage it's
> (rbd) storage pools.
>
>> Also, how come we get rid of this issue ?
>> Ceph-deploy should not remove any package other than ceph's.
>
> Purge could skip the libraries that may have other dependencies, but then
> it's a purge-lite. Honestly I thought it skipped them for that reason but we
> probably changed it at some point because it (also confusingly) wouldn't
> remove librados etc...
>
> sage
>
>
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