<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000'>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><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>Vendredi 25 Décembre 2015 15:39:13<br><b>Objet: </b>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></div><br></div></body></html>