Sadek, Abdel napisał(a): > I have a 2-node RHEL 4.5 cluster. I am using SCSI fencing which uses > scsi-3 reservation. The 2 nodes are sharing devices on a FC storage > array. I am using a single path; there is no multipath driver involved. > I am also using GFS on top of LVM volumes. > > When I shutdown one of the nodes, the cluster does not send any commands > to the storage array to clear out the persistent reservations for that > node. This causes the resources not to fail correctly to the other node > since it cannot break the reservation done by the dead node. My > questions are: > > 1. Is that a known issue? > > 2. Is there a way to turn some kind of debugging on the cluster that > will allow me to watch if any scsi PRIN/PROUT commands are sent to the > storage devices? Hello, 1. Check in Your logs if cman run /sbin/fence_scsi 2. If Yes, check why this scritp failed fe. white wrapper script 3. If no, check why cman doesn't do fencing Best Regards Maciej Bogucki -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
