I have an 8 gig dram server I am playing with Xen on in centos 5.1 on right now. Are you telling us that Xen on centos 5.1 only uses 4 Gig Dram? Or will it allow all 8 Gig to be used if setup correctly between main dom and virt doms - rh _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos