昨天一個朋友問到我，在oracle 11gR2 RAC for linux x86_64安裝過程中，grid用戶運行root.sh在第一節點可以成功，但在第二節點不成功,報錯如下：

CRS-2674: Start of 'ora.cssd' on 'racnode2' failed

CRS-2679: Attempting to clean 'ora.cssd' on 'racnode2'

CRS-2681: Clean of 'ora.cssd' on 'racnode2' succeeded

CRS-2673: Attempting to stop 'ora.diskmon' on 'racnode2'

CRS-2677: Stop of 'ora.diskmon' on 'racnode2' succeeded

CRS-4000: Command Start failed, or completed with errors.

CRS-2672: Attempting to start 'ora.cssd' on 'racnode2'

CRS-2672: Attempting to start 'ora.diskmon' on 'racnode2'

CRS-2674: Start of 'ora.diskmon' on 'racnode2' failed

CRS-2679: Attempting to clean 'ora.diskmon' on 'racnode2'

CRS-5016: Process "/opt/oracle/11.2.0/grid/bin/diskmon" spawned by agent "/opt/oracle/11.2.0/grid/bin/orarootagent.bin" for action "clean" failed: details at "(:CLSN00010:)" in "/opt/oracle/11.2.0/grid/log/racnode2/agent/ohasd/orarootagent_root/orarootagent_root.log"

CRS-2681: Clean of 'ora.diskmon' on 'racnode2' succeeded

CRS-2674: Start of 'ora.cssd' on 'racnode2' failed

CRS-2679: Attempting to clean 'ora.cssd' on 'racnode2'

CRS-2681: Clean of 'ora.cssd' on 'racnode2' succeeded

CRS-4000: Command Start failed, or completed with errors.

Command return code of 1 (256) from command: /opt/oracle/11.2.0/grid/bin/crsctl start resource ora.ctssd -init -env USR_ORA_ENV=CTSS_REBOOT=TRUE

Start of resource "ora.ctssd -init -env USR_ORA_ENV=CTSS_REBOOT=TRUE" failed

Failed to start CTSS

Failed to start Oracle Clusterware stack

檢查GRID_HOME/log//cssd/ocssd.log ，里面記錄下面內容：

2010-05-18 11:20:23.418: [??? CSSD][2511965952]clssnmvDHBValidateNCopy: node 1, , has a disk HB, but no network HB, DHB has rcfg 169642893, wrtcnt, 1013, LATS 4141244, lastSeqNo 1013, uniqueness 1274151780, timestamp 1274152822/4138854

主要是節點2與節點1不能建立網絡連接，導致節點2 CSS daemon啟動失敗，找到問題原因，解決方法就很容易

1.ssh能成功，説明網絡設置正確，最大的可能性是linux下的防火墻了

linux下停止防火墻

service iptables stop

service ip6tables stop

禁用防火墻

chkconfig iptables off

chkconfig ip6tables off

結果從朋友那得到答復：

緣分 17:55:32

防火墻關掉沒

緣分 17:55:39

linux防火墻

緣分 17:55:53

service iptables stop

service ip6tables stop

緣分 17:56:01

chkconfig iptables off

chkconfig ip6tables off

緣分 17:56:39

GRID_HOME/log//cssd/ocssd.log

緣分 17:56:52

把這個日志發給我看下

緣分 17:57:12

可以先把所有節點防火墻都關閉

朋友 17:57:32

==

朋友 17:59:15

防火墻是沒有關，郁悶。

朋友 17:59:30

我給你找日志。

緣分 18:01:01

好的

緣分 18:01:18

把防火墻關了，再來一次吧 應該問題不大

緣分 18:01:33

然后你把日志發給我，我再確認下是不是這個問題

朋友要發送給您文件“ocssd.rar(1543KB)”,您是要接收，另存為還是謝絕該文件

朋友 18:02:42

這個日志還挺大，呵呵。

朋友 18:02:56

可以了，

朋友 18:03:03

朋友 18:03:16

說不出的感動啊，謝謝。

總結

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