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在卡桑德拉昇級節點之後,這些錯誤日誌發生: 我要調查,但沒有一個方向,任何線索將有助於 感謝卡桑德拉和跳馬錯誤日誌
2016/09/19 06:24:49 [INFO] core: post-unseal setup starting
2016/09/19 06:24:49 [INFO] core: mounted backend of type generic at secret/
2016/09/19 06:24:49 [INFO] core: mounted backend of type cubbyhole at cubbyhole/
2016/09/19 06:24:49 [INFO] core: mounted backend of type system at sys/
2016/09/19 06:24:49 [INFO] core: mounted backend of type cassandra at cassandra/
2016/09/19 06:24:49 [INFO] rollback: starting rollback manager
2016/09/19 06:24:50 [INFO] expire: restored 2 leases
2016/09/19 06:24:50 [INFO] core: post-unseal setup complete
2016/09/19 06:24:55 gocql: unable to dial control conn node-0.cassandra-app.mesos:9042: dial tcp 10.0.2.42:9042: getsockopt: connection refused
2016/09/19 06:25:12 error: failed to connect to 10.0.2.42:9042 due to error: gocql: no response to connection startup within timeout
謝謝@Hasson。所以我需要完成之前升級所有節點? – yuria
是的,您必須升級您的所有羣集,請參閱更新後的答案中的視頻。 – Hasson
,但看起來最好的做法是逐個升級節點[此處](http://www.doc.ic.ac.uk/~pg1712/blog/cassandra-cluster-rolling-upgrade/) 避免停機時間? – yuria