Re: [ceph-users] Two mons

2017-08-15 Thread David Turner
There is nothing that will stop you from having an even number of mons (including 2). You just run the chance of getting into a split brain scenario. As long as you aren't planning to stay in that scenario, I don't see a problem with it. I have 3 mons in my home cluster and I've had to remove on

Re: [ceph-users] Two mons

2017-08-15 Thread Oscar Segarra
Hi David, Thanks a lot for your quick response... *What are you doing that only allows you to add one at a time?* I'm trying to create a scrip for adding/removing a mon in my environment --> I want to execute it from a simple web page... Thanks a lot! 2017-08-15 19:26 GMT+02:00 David Turner :

Re: [ceph-users] Two mons

2017-08-15 Thread Gregory Farnum
On Tue, Aug 15, 2017 at 10:28 AM David Turner wrote: > There is nothing that will stop you from having an even number of mons > (including 2). You just run the chance of getting into a split brain > scenario. > Just a note: even numbers of monitors mean that it's easier to lose quorums, but the

Re: [ceph-users] Two mons

2017-08-15 Thread Oscar Segarra
Thanks a lot Greg, nice to hear! 2017-08-15 21:17 GMT+02:00 Gregory Farnum : > On Tue, Aug 15, 2017 at 10:28 AM David Turner > wrote: > >> There is nothing that will stop you from having an even number of mons >> (including 2). You just run the chance of getting into a split brain >> scenario.