<html><body><div style="font-family: Times New Roman; font-size: 8pt; color: #000000"><div>Hello.</div><div>Which kind of async mirror do you use between clusters ?<br data-mce-bogus="1"></div><div><br></div><div><br></div><div><span id="zwchr" data-marker="__DIVIDER__">----- Il 26-dic-15, alle 18:20, Franck Parisy <franck@parisy.net> ha scritto:<br></span></div><div data-marker="__QUOTED_TEXT__"><blockquote style="border-left:2px solid #1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><style>p { margin: 0; }</style><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000"><br>2 DCs, 1 Proxmox and ceph cluster by DC and async mirror between them... What else !<br><br>I love Proxmox and Ceph !<br><br><br>Merry Christmas everybody<br><br><br><hr id="zwchr"><div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>De: </b>"Alexandre DERUMIER" <aderumier@odiso.com><br><b>À: </b>"proxmoxve" <pve-user@pve.proxmox.com><br><b>Envoyé: </b>Samedi 26 Décembre 2015 16:24:55<br><b>Objet: </b>Re: [PVE-User] Multi Proxmox Cluster with common Ceph cluster<br><br>>>will wait jewel, it leaves me time to negociate a third DC ;-)<br><br>Note, that with jewell, you don't need a third DC.<br><br>you can build 2 ceph cluster, 1 on each dc, then do async mirror between them.<br>(each ceph cluster is the backup of the other one)<br><br><br><br><br><br>>>Will it be possible to manage a multi dc's ceph cluster with Proxmox ?<br><br>Yes it's possible, if you have multicast (laybe2) working between them.<br><br>Simply do 1 ceph cluster/ 1 proxmox cluster.<br>But you need 3 DC to be sure to always have quorum (for proxmox and ceph monitor)<br><br><br><br>----- Mail original -----<br>De: "Franck Parisy" <franck@parisy.net><br>À: "proxmoxve" <pve-user@pve.proxmox.com><br>Envoyé: Vendredi 25 Décembre 2015 19:11:43<br>Objet: Re: [PVE-User] Multi Proxmox Cluster with common Ceph cluster<br><br>Thank you very much Alexandre. <br><br>I will wait jewel, it leaves me time to negociate a third DC ;-) <br><br>Will it be possible to manage a multi dc's ceph cluster with Proxmox ? <br><br><br>De: "Alexandre DERUMIER" <aderumier@odiso.com> <br>À: "proxmoxve" <pve-user@pve.proxmox.com> <br>Envoyé: Vendredi 25 Décembre 2015 15:39:13 <br>Objet: Re: [PVE-User] Multi Proxmox Cluster with common Ceph cluster <br><br>Hi, <br><br>you can have 1 ceph cluster, with 2 pools, 1 pool for each proxmox cluster. <br><br><br>But with only 2 DC, It's not possible to always have quorum if you loose 1 DC. <br><br>(you need quorum for ceph monitors). <br><br>So, for real multi datacenter ceph cluster, you need 3dc, with 1 mon on each DC . <br><br>Also note that ceph replication is syncronous, so you need to have good latencies between your DC. <br><br><br><br>Next ceph release (jewel), will have rbd mirroring (asyncronous mirroring of pool or rbd volume), to remote ceph <br>cluster, for disaster recovery. <br><br><br><br><br><br>----- Mail original ----- <br>De: "Franck Parisy" <franck@parisy.net> <br>À: "proxmoxve" <pve-user@pve.proxmox.com> <br>Envoyé: Vendredi 25 Décembre 2015 12:26:32 <br>Objet: [PVE-User] Multi Proxmox Cluster with common Ceph cluster <br><br>Hello, <br><br>Is it posssible to create a multi Proxmox cluster with 1 Ceph cluster ? <br><br>Explanation : <br><br>2 Datacenter <br><br>D1 : 192.168.0.0/24 <br>D2 : 192.168.1.0/24 <br><br>1 D1 Proxmox cluster <br>1 D2 Proxmox cluster <br><br>1 common Ceph cluster ( with a little crushmap to replicate D1 to D2 and D2 to D1) in the 2 Proxmox cluster <br><br><br>Thanks <br><br><br>_______________________________________________ <br>pve-user mailing list <br>pve-user@pve.proxmox.com <br>http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user <br><br>_______________________________________________ <br>pve-user mailing list <br>pve-user@pve.proxmox.com <br>http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user <br><br><br>_______________________________________________ <br>pve-user mailing list <br>pve-user@pve.proxmox.com <br>http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user <br>_______________________________________________<br>pve-user mailing list<br>pve-user@pve.proxmox.com<br>http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user<br></div><br></div><br>_______________________________________________<br>pve-user mailing list<br>pve-user@pve.proxmox.com<br>http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user<br></blockquote></div><div><br></div><div data-marker="__SIG_POST__">-- <br></div><div>---<br>Fabrizio Cuseo - mailto:f.cuseo@panservice.it<br>Direzione Generale - Panservice InterNetWorking<br>Servizi Professionali per Internet ed il Networking<br>Panservice e' associata AIIP - RIPE Local Registry<br>Phone: +39 0773 410020 - Fax: +39 0773 470219<br>http://www.panservice.it mailto:info@panservice.it<br>Numero verde nazionale: 800 901492</div></div></body></html>