12.02.2013 13:05, Viacheslav Biriukov wrote: > Hi, > > Maybe this help > you http://lists.corosync.org/pipermail/discuss/2011-October/000101.html That is perfectly described (at least as of 2.3.0) in section "DYNAMIC ADD/REMOVE OF UDPU NODE" of cmap_keys(8). Although I did not use it yet. Vladislav