Rev 481: handle the case of all nodes being sick for one service in http://samba.org/~tridge/ctdb

[tridge]

------------------------------------------------------------
revno: 481
revision-id: [EMAIL PROTECTED]
parent: [EMAIL PROTECTED]
committer: Andrew Tridgell <[EMAIL PROTECTED]>
branch nick: tridge
timestamp: Wed 2007-06-06 16:49:59 +1000
message:
  handle the case of all nodes being sick for one service
modified:
  takeover/ctdb_takeover.c       
ctdb_takeover.c-20070525071636-a5n1ihghjtppy08r-2
=== modified file 'takeover/ctdb_takeover.c'
--- a/takeover/ctdb_takeover.c  2007-06-06 03:45:12 +0000
+++ b/takeover/ctdb_takeover.c  2007-06-06 06:49:59 +0000
@@ -432,6 +432,28 @@
                                        break;
                                }
                        }
+                       
+                       /* if no enabled node can take it, then we
+                          might as well use any connected node. It
+                          probably means that some subsystem (such as
+                          NFS) is sick on all nodes. Best we can do
+                          is to keep the other services up. */
+                       if (j == i) {
+                               for (j=(i+1)%nodemap->num;
+                                    j != i;
+                                    j=(j+1)%nodemap->num) {
+                                       if ((nodemap->nodes[j].flags & 
NODE_FLAGS_CONNECTED) &&
+                                           
ctdb_same_subnet(ctdb->nodes[j]->public_address, 
+                                                            
ctdb->nodes[i]->public_address, 
+                                                            
ctdb->nodes[j]->public_netmask_bits)) {
+                                               ctdb->nodes[i]->takeover_vnn = 
nodemap->nodes[j].vnn;
+                                               DEBUG(0,("All available nodes 
disabled for %s - using a connected node\n",
+                                                        
ctdb->nodes[i]->public_address));
+                                               break;
+                                       }
+                               }
+                       }
+                       
                        if (j == i) {
                                DEBUG(0,(__location__ " No node available on 
same network to take %s\n",
                                         ctdb->nodes[i]->public_address));