On Wed, 2006-08-16 at 22:37 +0800, Gary Lua wrote: > Hi, > > I'm currently configuring fencing devices for my 2 nodes on a RHEL4 > cluster. The problem is quite long, so please bear with me. > > I have 2 nodes (let's call them stone1 and stone2) and 2 APC fencing > devices (pdu1 and pdu2, both apc 7952 devices). Both stone1 and stone2 > has dual power supplies. Stone1's power supplies are connected to outlet > 13 of pdu1 and pdu2. Stone2's power supplies are connected to outlet 20 > of both the pdus. My question is: during the fencing configuration for > each node, i need to specify which fence device to add to the fence > level of each node. Is it correct to specify for stone1 as follows : > pdu1 -> port=13, switch=1, pdu2-> port=13, switch=2? The same applies to > stone 2 : pdu1-> port=20, switch=1, pdu2-> port=20, switch=2? > > After configuring as mentioned above, with both nodes on the cluster > running and my application running on stone1, i pull out the ethernet > cables for stone1 to simulate that the server is down. By right, my > application should fail over to stone2 and fencing should occur to > stone1 (ie, stone1 should be rebooted/shutdown). However, what happened > is that my application is started on stone2, and stone1 is not fenced. > In fact, when i reconnect by cables, my application is still running on > stone1! Seems that there are 2 instances of my application running, each > on stone1 and stone2. Post the cluster configuration. -- Lon -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
