CHD集群6.0重启集群后，hdfs的namenode无法重启报错，查了网上，说要格式化namenode，但集群有数据。
如何能在不格式化namenode的情况下启动namenode？在线等！！
报错如下：
下午4点56:56.368分 WARN FSEditLog
Unable to determine input streams from QJM to [XXX.XXX.XXX.XX:XXXX, XXX.XXX.XXX.XX:XXXX, XXX.XXX.XXX.XX:XXXX]. Skipping.
org.apache.hadoop.hdfs.qjournal.client.QuorumException: Got too many exceptions to achieve quorum size 2/3. 3 exceptions thrown:
192.168.150.26:8485: Journal Storage Directory /tmp/hadoop/dfs/journalnode/nameservice1 not formatted
at org.apache.hadoop.hdfs.qjournal.server.Journal.checkFormatted(Journal.java:500)
at org.apache.hadoop.hdfs.qjournal.server.Journal.getEditLogManifest(Journal.java:682)
at org.apache.hadoop.hdfs.qjournal.server.JournalNodeRpcServer.getEditLogManifest(JournalNodeRpcServer.java:199)
at org.apache.hadoop.hdfs.qjournal.protocolPB.QJournalProtocolServerSideTranslatorPB.getEditLogManifest(QJournalProtocolServerSideTranslatorPB.java:228)
at org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos$QJournalProtocolService$2.callBlockingMethod(QJournalProtocolProtos.java:27411)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1685)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)
