On 28/06/2017 13:42, Wido den Hollander wrote:
> Honestly I think there aren't that many IPv6 deployments with Ceph out there. 
> I for sure am a big fan a deployer of Ceph+IPv6, but I don't know many around 
> me.
I got that !

Because IPv6 is so much better than IPv4 :dance:

> Wido
> 
>> Best regards,
>>
>> George
>> ________________________________________
>> From: Wido den Hollander [w...@42on.com]
>> Sent: 27 June 2017 19:19
>> To: Vasilakakos, George (STFC,RAL,SC); ceph-users@lists.ceph.com
>> Subject: Re: [ceph-users] Ceph and IPv4 -> IPv6
>>
>>> Op 27 juni 2017 om 19:00 schreef george.vasilaka...@stfc.ac.uk:
>>>
>>>
>>> Hey Ceph folks,
>>>
>>> I was wondering what the current status/roadmap/intentions etc. are on the 
>>> possibility of providing a way of transitioning a cluster from IPv4 to IPv6 
>>> in the future.
>>>
>>> My current understanding is that this not possible at the moment and that 
>>> one should deploy initially with the version they want long term.
>>>
>>> However, given the general lack of widespread readiness, I think lots of us 
>>> have deployed with IPv4 and were hoping to go to IPv6 when the rest of our 
>>> environments enabled it.
>>>
>>> Is adding such a capability to a future version of Ceph being considered?
>>>
>>
>> I think you can, but not without downtime.
>>
>> The main problem is the monmap which contains IPv4 addresses and you want to 
>> change that to IPv6.
>>
>> I haven't tried this, but I think you should be able to:
>> - Extract MONMap
>> - Update the IPv4 addresses to IPv6 using monmaptool
>> - Set noout flag
>> - Stop all OSDs
>> - Inject new monmap
>> - Stop MONs
>> - Make sure IPv6 is fixed on MONs
>> - Start MONs
>> - Start OSDs
>>
>> Again, this is from the top of my head, haven't tried it, but something like 
>> that should probably work.
>>
>> Wido
>>
>>
>>>
>>> Best regards,
>>>
>>> George V.
>>> _______________________________________________
>>> ceph-users mailing list
>>> ceph-users@lists.ceph.com
>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> _______________________________________________
> ceph-users mailing list
> ceph-users@lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 

_______________________________________________
ceph-users mailing list
ceph-users@lists.ceph.com
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

Reply via email to