Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
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 >