节点超出 CLAM 仲裁:集群网络中断
适用于
- 集群模式 Data ONTAP 8
- ONTAP 9
问题
- 节点超出"CLAM quorum"。
Autosupport: NODE(S) OUT OF CLUSTER QUORUM - 由于 CLAM out of quorum 而导致节点崩溃:
Panic String: Received PANIC packet from partner, receiving message is (Coredump and takeover initiated because Connectivity, Liveliness and Availability Monitor (CLAM) has determined this node is out of quorum.) in SK process mcc_ic_kill_pkt_handler on release 9.14.1P1 (C) - 在某些情况下,当 CSM 无法创建到合作伙伴节点的会话时,在死机之前会看到以下 EMS 事件:
kernel: csm.createSessionFailed:debug]: Cluster Session Manager (CSM) failed to create ....
CsmMpAgentThread: csm.createSessionFailed:debug]: Cluster Session Manager (CSM) failed to create session (req=pg1ntap1a:dblade, rsp=pg1ntap1b:dblade, uniquifier=0b064d5bdca6caaf) with transport type UNASSIGNED, session tag CTRAN, record state STARTING, CSM error CSM_CONNABORTED, low-level error UNKNOWN, socket error 0, and TLS error 0