Re: ceph cluster_network with linklocal ipv6

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Should ceph care about what scope the address is in? We don't specify it for ipv4 anyway, or is link-scope special in some way?

And isn't this the correct syntax actually?

cluster_network = fe80::/64%cephnet


> On 18 Aug 2015, at 16:17, Wido den Hollander <wido@xxxxxxxx> wrote:
> 
> 
> 
> On 18-08-15 16:02, Jan Schermer wrote:
>> Shouldn't this:
>> 
>> cluster_network = fe80::%cephnet/64
>> 
>> be this:
>> cluster_network = fe80::/64
>> ?
> 
> That won't work since the kernel doesn't know the scope. So %devname is
> right, but Ceph can't parse it.
> 
> Although it sounds cool to run Ceph over link-local I don't think it
> currently works.
> 
> Wido
> 
>> 
>> 
>>> On 18 Aug 2015, at 15:39, Björn Lässig <b.laessig@xxxxxxxxxxxxxx> wrote:
>>> 
>>> Hi,
>>> 
>>> i just setup my first ceph cluster and after breaking things for a while and let ceph repair itself, i want to setup the cluster network.
>>> 
>>> Unfortunately i am doing something wrong :-)
>>> 
>>> For not having any dependencies in my cluster network, i want to use only ipv6 link-local addresses on interface 'cephnet'.
>>> 
>>> /var/log/ceph/ceph-osd.4.log:2015-08-18 15:10:38.954592 7f24c0ac2880 -1 unable to parse network: fe80::%cephnet/64
>>> 
>>> --- /etc/ceph/ceph.conf
>>> [global]
>>> ...
>>> cluster_network = fe80::%cephnet/64
>>> 
>>> 
>>> --- /etc/network/interfaces
>>> auto cephnet
>>> iface cephnet inet6 auto
>>>   sysctl -wq net.ipv6.conf.$IFACE.accept_ra_defrtr=0
>>> 
>>> What could i do?
>>> 
>>> thanks,
>>> Björn
>>> _______________________________________________
>>> ceph-users mailing list
>>> ceph-users@xxxxxxxxxxxxxx
>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> 
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>> ceph-users mailing list
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>> 
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