我使用yum manager在RHEL6系统中安装了cassandra。还根据数据存储准则配置了yaml文件。但是当我尝试作为服务启动时，它会在日志文件中提供以下INFO。但cassandra服务器无法启动。
INFO [STREAM-INIT-/10.76.10.82:59899] 2015-10-20 01:07:33,523 StreamResultFuture.java:116 - [Stream #da0ad600-76f0-11e5-8d1d-1f91bf0f84ef, ID#0] Received streaming plan for Bootstrap
INFO [STREAM-INIT-/10.76.10.82:59900] 2015-10-20 01:07:33,546 StreamResultFuture.java:116 - [Stream #da0ad600-76f0-11e5-8d1d-1f91bf0f84ef, ID#0] Received streaming plan for Bootstrap
INFO [STREAM-IN-/10.76.10.82] 2015-10-20 01:07:33,651 StreamResultFuture.java:180 - [Stream #da0ad600-76f0-11e5-8d1d-1f91bf0f84ef] Session with /10.76.10.82 is complete
INFO [STREAM-IN-/10.76.10.82] 2015-10-20 01:07:33,652 StreamResultFuture.java:212 - [Stream #da0ad600-76f0-11e5-8d1d-1f91bf0f84ef] All sessions completed
INFO [StorageServiceShutdownHook] 2015-10-20 01:28:50,930 ThriftServer.java:142 - Stop listening to thrift clients
INFO [StorageServiceShutdownHook] 2015-10-20 01:28:50,978 Server.java:214 - Stop listening for CQL clients
INFO [StorageServiceShutdownHook] 2015-10-20 01:28:50,980 Gossiper.java:1442 - Announcing shutdown
INFO [StorageServiceShutdownHook] 2015-10-20 01:28:50,983 StorageService.java:1698 - Node /10.76.10.78 state jump to normal
INFO [StorageServiceShutdownHook] 2015-10-20 01:28:53,014 MessagingService.java:735 - Waiting for messaging service to quiesce
INFO [ACCEPT-/10.76.10.78] 2015-10-20 01:28:53,016 MessagingService.java:1011 - MessagingService has terminated the accept() thread