Re: [ceph-users] even number of monitors

2019-08-05 Thread DHilsbos
users] even number of monitors With 3 monitors, paxos needs at least 2 to reach consensus about the cluster status With 4 monitors, more than half is 3. The only problem I can see here is that I will have only 1 spare monitor. There's any other problem with and even number of monitors? -- Alfren

Re: [ceph-users] even number of monitors

2019-08-05 Thread Lars Marowsky-Bree
On 2019-08-05T07:27:39, Alfredo Daniel Rezinovsky wrote: There's no massive problem with even MON counts. As you note, n+2 doesn't really provide added fault tolerance compared to n+1, so there's no win either. That's fairly obvious. Somewhat less obvious - since the failure of any additional

Re: [ceph-users] even number of monitors

2019-08-05 Thread EDH - Manuel Rios Fernandez
-users] even number of monitors With 3 monitors, paxos needs at least 2 to reach consensus about the cluster status With 4 monitors, more than half is 3. The only problem I can see here is that I will have only 1 spare monitor. There's any other problem with and even number of monitors

[ceph-users] even number of monitors

2019-08-05 Thread Alfredo Daniel Rezinovsky
With 3 monitors, paxos needs at least 2 to reach consensus about the cluster status With 4 monitors, more than half is 3. The only problem I can see here is that I will have only 1 spare monitor. There's any other problem with and even number of monitors? -- Alfrenovsky