Re: How to dispatch monitors in a multi-site cluster (ie in 2 datacenters)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 04/14/2015 04:42 AM, Francois Lafont wrote:
> Joao Eduardo wrote:
> 
>> To be more precise, it's the lowest IP:PORT combination:
>>
>> 10.0.1.2:6789 = rank 0
>> 10.0.1.2:6790 = rank 1
>> 10.0.1.3:6789 = rank 3
>>
>> and so on.
> 
> Ok, so if there is 2 possible quorum, the quorum with the
> lowest IP:PORT will be chosen. But what happens if, in the
> 2 possible quorum, quorum A and quorum B, the monitor which
> has the lowest IP:PORT belongs to quorum A and quorum B?

In that case, I believe you would be able to form quorum as long as the
leader (lowest ranking mon) is alive and can reach the other two
monitors, even if the other two monitors are not able to reach each other.

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




[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux