Hello. Which kind of async mirror do you use between clusters ? ----- Il 26-dic-15, alle 18:20, Franck Parisy <[email protected]> ha scritto:
> 2 DCs, 1 Proxmox and ceph cluster by DC and async mirror between them... What > else ! > I love Proxmox and Ceph ! > Merry Christmas everybody > De: "Alexandre DERUMIER" <[email protected]> > À: "proxmoxve" <[email protected]> > Envoyé: Samedi 26 Décembre 2015 16:24:55 > Objet: Re: [PVE-User] Multi Proxmox Cluster with common Ceph cluster > >>will wait jewel, it leaves me time to negociate a third DC ;-) > Note, that with jewell, you don't need a third DC. > you can build 2 ceph cluster, 1 on each dc, then do async mirror between them. > (each ceph cluster is the backup of the other one) > >>Will it be possible to manage a multi dc's ceph cluster with Proxmox ? > Yes it's possible, if you have multicast (laybe2) working between them. > Simply do 1 ceph cluster/ 1 proxmox cluster. > But you need 3 DC to be sure to always have quorum (for proxmox and ceph > monitor) > ----- Mail original ----- > De: "Franck Parisy" <[email protected]> > À: "proxmoxve" <[email protected]> > Envoyé: Vendredi 25 Décembre 2015 19:11:43 > Objet: Re: [PVE-User] Multi Proxmox Cluster with common Ceph cluster > Thank you very much Alexandre. > I will wait jewel, it leaves me time to negociate a third DC ;-) > Will it be possible to manage a multi dc's ceph cluster with Proxmox ? > De: "Alexandre DERUMIER" <[email protected]> > À: "proxmoxve" <[email protected]> > Envoyé: Vendredi 25 Décembre 2015 15:39:13 > Objet: Re: [PVE-User] Multi Proxmox Cluster with common Ceph cluster > Hi, > you can have 1 ceph cluster, with 2 pools, 1 pool for each proxmox cluster. > But with only 2 DC, It's not possible to always have quorum if you loose 1 DC. > (you need quorum for ceph monitors). > So, for real multi datacenter ceph cluster, you need 3dc, with 1 mon on each > DC > . > Also note that ceph replication is syncronous, so you need to have good > latencies between your DC. > Next ceph release (jewel), will have rbd mirroring (asyncronous mirroring of > pool or rbd volume), to remote ceph > cluster, for disaster recovery. > ----- Mail original ----- > De: "Franck Parisy" <[email protected]> > À: "proxmoxve" <[email protected]> > Envoyé: Vendredi 25 Décembre 2015 12:26:32 > Objet: [PVE-User] Multi Proxmox Cluster with common Ceph cluster > Hello, > Is it posssible to create a multi Proxmox cluster with 1 Ceph cluster ? > Explanation : > 2 Datacenter > D1 : 192.168.0.0/24 > D2 : 192.168.1.0/24 > 1 D1 Proxmox cluster > 1 D2 Proxmox cluster > 1 common Ceph cluster ( with a little crushmap to replicate D1 to D2 and D2 to > D1) in the 2 Proxmox cluster > Thanks > _______________________________________________ > pve-user mailing list > [email protected] > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > _______________________________________________ > pve-user mailing list > [email protected] > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > _______________________________________________ > pve-user mailing list > [email protected] > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > _______________________________________________ > pve-user mailing list > [email protected] > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > _______________________________________________ > pve-user mailing list > [email protected] > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user -- --- Fabrizio Cuseo - mailto:[email protected] Direzione Generale - Panservice InterNetWorking Servizi Professionali per Internet ed il Networking Panservice e' associata AIIP - RIPE Local Registry Phone: +39 0773 410020 - Fax: +39 0773 470219 http://www.panservice.it mailto:[email protected] Numero verde nazionale: 800 901492
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