Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Dual-primary works just fine in the 8.3 line. I've used it extensively going back to 8.3.9 up to the current 8.3.13. On 09/26/2012 04:30 AM, raulhp at ugr.es wrote: > Thank you very much, I understand that support dual-primary mode is > included from version 8.4 of DRBD, I'll try with pacemaker, and commented > on the experience. > > Greetings! > >> On 09/25/2012 02:11 PM, raulhp at ugr.es wrote: >>> Hi, >>> >>> How I can to use active-active mode or primary-primary mode? I >>> understand >>> that I can to use with file system for a cluster GFS, etc. >>> >>> Tell me please. >>> >>> Regards! >> >> In DRBD, this is called "dual-primary" mode. You are write in that you >> need a cluster-aware file system like GFS2, which I use, or OCFS2. >> >> The most important thing you need to make dual-primary safe is to have a >> fence device. This is a mechanism for forcing one of the nodes to power >> off if the communications between the node breaks. This can be provided >> by a cluster resource manager like Red Hat's cluster service or pacemaker. >> >> Beyond this, the topic starts to get more complex. If you want more >> advice, you will need to be a little more specific on what it is you >> want to do. >> >> -- >> Digimer >> Papers and Projects: https://alteeve.ca >> > -- Digimer Papers and Projects: https://alteeve.ca