Sir, In my office,there are 3 servers for postgressql database. Out of three, two are running for postgressql database software and one server for storage. Those are in Red Hat Cluster. I mean to say that how the two servers are connecting to that storage.I want that document.Can u please provide that......! And in the third node, I found there is a lvm that is shared on gnbd. Can any one help how the lvm is linking up with gnbd.I want that document also............! Please do the needful................................! Thanks and Regards, Satyasuresh K -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster