Okay, I almost have this all working. fence_ipmilan for the supermicro host. Had to specify lanplus for it to work. fence_drac5 for the R905. That was failing to complete due to timeout. Found a couple of helpful posts that recommended increase the retry count to 3 and the timeout to 60. That worked also. The only problem now, is that it takes well over a minute to complete the fencing operation. In that interim, the fenced host shows as UNCLEAN (offline), and because the fencing operation hasn't completed, the other node has to wait to import the pool and share out the filesystem. This causes the vsphere hosts to declare the NFS datastore down. I hadn't gotten exact timing, but I think the fencing operation took a little over a minute. I'm wondering if I could change the timeout to a smaller value, but increase the retries? Like back to the default 20 second timeout, but change retries from 1 to 5?
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