<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000'>Hi all,<br><br>i am new to ocfs2.<br><br>currently i am playing with ocfs on debian6 wich ocfs2 1.4.<br>and also<br>Oracle Enterprise Linux 5 & 6 with OCFS 1.6.<br><br>The volume reside on an Dell MD3220i.<br>When i set the active controller to offline, the client should initiate an failover to the second controller.<br>this works, of only one clustermember is active for ocfs.<br>At the moment there are two clustermembers, at least one crashes often both clients does a reboot.<br><br>The the timeouts are the following<br>O2CB_ENABLED=true<br>O2CB_BOOTCLUSTER=debianocfs<br>O2CB_HEARTBEAT_THRESHOLD=61<br>O2CB_IDLE_TIMEOUT_MS=90000<br>O2CB_KEEPALIVE_DELAY_MS=2000<br>O2CB_RECONNECT_DELAY_MS=2000<br><br>in the attachment i have the Dell multipath.conf.<br>failback is already to manual, so it does least controller switches.<br><br>what could be the reason for the crashes?<br><br>best regards<br>thomas<br></div></body></html>