oracle rac节点不能启动报“has a disk HB, but no network HB”的错误
oracle rac节点不能启动报“has a disk HB, but no network HB”的错误
AiDBA宝典
发布于 2023-10-08 08:50:27
发布于 2023-10-08 08:50:27
今天同事说有一套rac 19c的环境，不能使用了，让我帮忙看看。
这套rac环境是搭建在华为云ECS上的，操作系统为CentOS 7.6。根据经验，rac不能启动，主要是2个方面的原因：一个是共享存储，一个网络。共享存储常见原因是盘掉了，或盘坏了，或多路径软件出问题等等，而网络问题常见原因是私网网卡坏了，或节点之间网络不通（注意：修改ssh端口或修改oracle和grid密码不会影响rac的正常运行）。
很不幸，这套环境的共享和网络都有问题，下面慢慢分析。
原因一：共享盘掉了
首先，看看2个节点的共享盘是不是一致的，查看后发现节点2少了一块盘，让客户把节点2的盘重新挂载一下，
然后查看，共享盘已经一致了：
[root@oracle-rac2 ~]# ll /dev/asm*
lrwxrwxrwx 1 root root 3 Jul 30 11:09 /dev/asm-diska -> sde
lrwxrwxrwx 1 root root 3 Jul 30 11:09 /dev/asm-diskb -> sdd
lrwxrwxrwx 1 root root 3 Jul 30 11:03 /dev/asm-diskc -> sdc
lrwxrwxrwx 1 root root 3 Jul 30 11:03 /dev/asm-diskd -> sdb
lrwxrwxrwx 1 root root 3 Jul 30 10:55 /dev/asm-diske -> sda
[root@oracle-rac1 trace]# ll /dev/asm*
lrwxrwxrwx 1 root root 3 Jul 30 11:10 /dev/asm-diska -> sde
lrwxrwxrwx 1 root root 3 Jul 30 11:03 /dev/asm-diskb -> sdb
lrwxrwxrwx 1 root root 3 Jul 30 10:23 /dev/asm-diskc -> sda
lrwxrwxrwx 1 root root 3 Jul 30 11:10 /dev/asm-diskd -> sdd
lrwxrwxrwx 1 root root 3 Jul 30 11:03 /dev/asm-diske -> sdc
[root@oracle-rac2 ~]# $GRID_HOME/bin/kfod disks=asm st=true ds=true cluster=true
--------------------------------------------------------------------------------
Disk Size Header Path Disk Group User Group
================================================================================
1: 81920 MB MEMBER /dev/asm-diska DATA grid asmadmin
2: 81920 MB MEMBER /dev/asm-diskb OCR grid asmadmin
3: 81920 MB MEMBER /dev/asm-diskc DATA grid asmadmin
4: 81920 MB MEMBER /dev/asm-diskd DATA grid asmadmin
5: 81920 MB MEMBER /dev/asm-diske DATA grid asmadmin
--------------------------------------------------------------------------------
ORACLE_SID ORACLE_HOME HOST_NAME
================================================================================
[root@oracle-rac1 trace]# $GRID_HOME/bin/kfod disks=asm st=true ds=true cluster=true
--------------------------------------------------------------------------------
Disk Size Header Path Disk Group User Group
================================================================================
1: 81920 MB MEMBER /dev/asm-diska DATA grid asmadmin
2: 81920 MB MEMBER /dev/asm-diskb DATA grid asmadmin
3: 81920 MB MEMBER /dev/asm-diskc DATA grid asmadmin
4: 81920 MB MEMBER /dev/asm-diskd OCR grid asmadmin
5: 81920 MB MEMBER /dev/asm-diske DATA grid asmadmin
--------------------------------------------------------------------------------
ORACLE_SID ORACLE_HOME HOST_NAME
================================================================================
这里，磁盘顺序虽然不一样，但是，没有关系，用的是udev绑定的，不影响rac的运行。
等rac节点正常启动后，可以看到如下内容：
-- 节点1
SYS@orcl1> set line 9999
SYS@orcl1> set pagesize 9999
SYS@orcl1> col path format a60
SYS@orcl1> SELECT a.group_number, disk_number,mount_status, a.name, path FROM v$asm_disk a order by a.disk_number;
select instance_name,status from v$instance;
GROUP_NUMBER DISK_NUMBER MOUNT_STATUS NAME PATH
------------ ----------- -------------- ------------- ---------------
1 0 CACHED DATA_0000 /dev/asm-diskc
2 0 CACHED OCR_0000 /dev/asm-diskd
1 1 CACHED DATA_0001 /dev/asm-diske
1 2 CACHED DATA_0002 /dev/asm-diska
1 3 CACHED DATA_0003 /dev/asm-diskb
-- 节点2
SQL> set line 9999
SQL> set pagesize 9999
SQL> col path format a60
SQL> SELECT a.group_number, disk_number,mount_status, a.name, path FROM v$asm_disk a order by a.disk_number;
select instance_name,status from v$instance;
GROUP_NUMBER DISK_NUMBER MOUNT_S NAME PATH
------------ ----------- ------- ---------- ---------------
2 0 CACHED OCR_0000 /dev/asm-diskb
1 0 CACHED DATA_0000 /dev/asm-diske
1 1 CACHED DATA_0001 /dev/asm-diskc
1 2 CACHED DATA_0002 /dev/asm-diska
1 3 CACHED DATA_0003 /dev/asm-diskd
原因二：安全组封了
登陆ECS，发现只有节点1在运行，而节点2没有运行集群服务。
[root@oracle-rac1 ~]# crsctl stat res -t
--------------------------------------------------------------------------------
Name Target State Server State details
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
ONLINE ONLINE oracle-rac1 STABLE
ora.chad
ONLINE ONLINE oracle-rac1 STABLE
ora.net1.network
ONLINE ONLINE oracle-rac1 STABLE
ora.ons
ONLINE ONLINE oracle-rac1 STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 STABLE
2 ONLINE OFFLINE STABLE
3 ONLINE OFFLINE STABLE
ora.DATA.dg(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 STABLE
2 ONLINE OFFLINE STABLE
3 OFFLINE OFFLINE STABLE
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE oracle-rac1 STABLE
ora.OCR.dg(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 STABLE
2 ONLINE OFFLINE STABLE
3 OFFLINE OFFLINE STABLE
ora.asm(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 Started,STABLE
2 ONLINE OFFLINE STABLE
3 OFFLINE OFFLINE STABLE
ora.asmnet1.asmnetwork(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 STABLE
2 ONLINE OFFLINE STABLE
3 OFFLINE OFFLINE STABLE
ora.cvu
1 ONLINE ONLINE oracle-rac1 STABLE
ora.oracle-rac1.vip
1 ONLINE ONLINE oracle-rac1 STABLE
ora.oracle-rac2.vip
1 ONLINE INTERMEDIATE oracle-rac1 FAILED OVER,STABLE
ora.orcl.db
1 ONLINE ONLINE oracle-rac1 Open,HOME=/u01/app/o
racle/product/19.3.0
/dbhome_1,STABLE
2 ONLINE OFFLINE Instance Shutdown,ST
ABLE
ora.qosmserver
1 ONLINE ONLINE oracle-rac1 STABLE
ora.scan1.vip
1 ONLINE ONLINE oracle-rac1 STABLE
--------------------------------------------------------------------------------
使用命令crsctl start has启动节点2的集群服务后，通过crsctl stat res -t -init观察启动过程：
[root@oracle-rac2 ~]# crsctl start has
CRS-4123: Oracle High Availability Services has been started.
[root@oracle-rac2 ~]# crsctl stat res -t -init
--------------------------------------------------------------------------------
Name Target State Server State details
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.asm
1 ONLINE OFFLINE STABLE
ora.cluster_interconnect.haip
1 ONLINE OFFLINE STABLE
ora.crf
1 ONLINE ONLINE oracle-rac2 STABLE
ora.crsd
1 ONLINE OFFLINE STABLE
ora.cssd
1 ONLINE OFFLINE oracle-rac2 STARTING
ora.cssdmonitor
1 ONLINE ONLINE oracle-rac2 STABLE
ora.ctssd
1 ONLINE OFFLINE STABLE
ora.diskmon
1 OFFLINE OFFLINE STABLE
ora.evmd
1 ONLINE INTERMEDIATE oracle-rac2 STABLE
ora.gipcd
1 ONLINE ONLINE oracle-rac2 STABLE
ora.gpnpd
1 ONLINE ONLINE oracle-rac2 STABLE
ora.mdnsd
1 ONLINE ONLINE oracle-rac2 STABLE
ora.storage
1 ONLINE OFFLINE STABLE
--------------------------------------------------------------------------------
多次执行crsctl stat res -t -init看到，启动一直卡在ora.cssd服务智利，查看日志：
[root@oracle-rac2 ~]# cd /u01/app/grid/diag/crs/oracle-rac2/crs/trace/
[root@oracle-rac2 trace]# tailf ocssd.trc
。。。
2021-07-30 09:49:44.851 : CSSD:1881474816: clsssc_CLSFAInit_CB: System not ready for CLSFA initialization
2021-07-30 09:49:45.579 : CSSD:1530889984: [ INFO] clssscWaitOnEventValue: after CmInfo State val 3, eval 1 waited 1000 with cvtimewait status 4294967186
2021-07-30 09:49:45.835 : CSSD:1493997312: [ INFO] clssnmvDHBValidateNCopy: node 1, oracle-rac1, has a disk HB, but no network HB, DHB has rcfg 523049052, wrtcnt, 1472163, LATS 2100744, lastSeqNo 1472162, uniqueness 1627554226, timestamp 1627609785/55291034
2021-07-30 09:49:45.852 : CSSD:1881474816: clsssc_CLSFAInit_CB: System not ready for CLSFA initialization
2021-07-30 09:49:45.874 : CSSD:1486112512: [ INFO] clssscSelect: gipcwait returned with status gipcretTimeout (16)
2021-07-30 09:49:46.579 : CSSD:1530889984: [ INFO] clssscWaitOnEventValue: after CmInfo State val 3, eval 1 waited 1000 with cvtimewait status 4294967186
2021-07-30 09:49:46.837 : CSSD:1493997312: [ INFO] clssnmvDHBValidateNCopy: node 1, oracle-rac1, has a disk HB, but no network HB, DHB has rcfg 523049052, wrtcnt, 1472164, LATS 2101744, lastSeqNo 1472163, uniqueness 1627554226, timestamp 1627609786/55292034
2021-07-30 09:49:46.850 : CSSD:1487689472: [ INFO] clssnmRcfgMgrThread: Local Join
2021-07-30 09:49:46.850 : CSSD:1487689472: [ INFO] clssnmLocalJoinEvent: begin on node(2), waittime 193000
2021-07-30 09:49:46.850 : CSSD:1487689472: [ INFO] clssnmLocalJoinEvent: set curtime (2101764) for my node
2021-07-30 09:49:46.850 : CSSD:1487689472: [ INFO] clssnmLocalJoinEvent: scanning 32 nodes
2021-07-30 09:49:46.850 : CSSD:1487689472: [ INFO] clssnmLocalJoinEvent: Node oracle-rac1, number 1, is in an existing cluster with disk state 3
2021-07-30 09:49:46.850 : CSSD:1487689472: [ WARNING] clssnmLocalJoinEvent: takeover aborted due to cluster member node found on disk
。。。。
重复输出以上内容，里边有关键词“has a disk HB, but no network HB”，意思是有磁盘心跳，但是没有网络心跳，猜测是私网通信（网络心跳）的问题，而ohasd进程没有啥有用的信息：
[root@oracle-rac2 trace]# tailf alert.log
2021-07-30 09:47:56.758 [GIPCD(13240)]CRS-8500: Oracle Clusterware GIPCD process is starting with operating system process ID 13240
2021-07-30 09:48:01.127 [OSYSMOND(13348)]CRS-8500: Oracle Clusterware OSYSMOND process is starting with operating system process ID 13348
2021-07-30 09:48:01.234 [CSSDMONITOR(13346)]CRS-8500: Oracle Clusterware CSSDMONITOR process is starting with operating system process ID 13346
2021-07-30 09:48:02.268 [CSSDAGENT(13407)]CRS-8500: Oracle Clusterware CSSDAGENT process is starting with operating system process ID 13407
2021-07-30 09:48:03.024 [OCSSD(13467)]CRS-8500: Oracle Clusterware OCSSD process is starting with operating system process ID 13467
2021-07-30 09:48:04.135 [OCSSD(13467)]CRS-1713: CSSD daemon is started in hub mode
2021-07-30 09:48:06.416 [OCSSD(13467)]CRS-1707: Lease acquisition for node oracle-rac2 number 2 completed
2021-07-30 09:48:07.528 [OCSSD(13467)]CRS-1621: The IPMI configuration data for this node stored in the Oracle registry is incomplete; details at (:CSSNK00002:) in /u01/app/grid/diag/crs/oracle-rac2/crs/trace/ocssd.trc
2021-07-30 09:48:07.528 [OCSSD(13467)]CRS-1617: The information required to do node kill for node oracle-rac2 is incomplete; details at (:CSSNM00004:) in /u01/app/grid/diag/crs/oracle-rac2/crs/trace/ocssd.trc
2021-07-30 09:48:07.534 [OCSSD(13467)]CRS-1605: CSSD voting file is online: /dev/asm-diskb; details in /u01/app/grid/diag/crs/oracle-rac2/crs/trace/ocssd.trc.
2021-07-30 09:58:02.736 [CSSDAGENT(13407)]CRS-5818: Aborted command 'start' for resource 'ora.cssd'. Details at (:CRSAGF00113:) {0:5:3} in /u01/app/grid/diag/crs/oracle-rac2/crs/trace/ohasd_cssdagent_root.trc.
2021-07-30 09:58:02.737 [OCSSD(13467)]CRS-1609: This node is unable to communicate with other nodes in the cluster and is going down to preserve cluster integrity; details at (:CSSNM00086:) in /u01/app/grid/diag/crs/oracle-rac2/crs/trace/ocssd.trc.
2021-07-30 09:58:02.785 [OHASD(12890)]CRS-2757: Command 'Start' timed out waiting for response from the resource 'ora.cssd'. Details at (:CRSPE00221:) {0:5:3} in /u01/app/grid/diag/crs/oracle-rac2/crs/trace/ohasd.trc.
2021-07-30 09:58:03.738 [OCSSD(13467)]CRS-1656: The CSS daemon is terminating due to a fatal error; Details at (:CSSSC00012:) in /u01/app/grid/diag/crs/oracle-rac2/crs/trace/ocssd.trc
2021-07-30 09:58:03.738 [OCSSD(13467)]CRS-1603: CSSD on node oracle-rac2 has been shut down.
2021-07-30 09:58:03.840 [OCSSD(13467)]CRS-1609: This node is unable to communicate with other nodes in the cluster and is going down to preserve cluster integrity; details at (:CSSNM00086:) in /u01/app/grid/diag/crs/oracle-rac2/crs/trace/ocssd.trc.
2021-07-30T09:58:08.746077+08:00
Errors in file /u01/app/grid/diag/crs/oracle-rac2/crs/trace/ocssd.trc (incident=353):
CRS-8503 [] [] [] [] [] [] [] [] [] [] [] []
Incident details in: /u01/app/grid/diag/crs/oracle-rac2/crs/incident/incdir_353/ocssd_i353.trc
2021-07-30 09:58:08.739 [OCSSD(13467)]CRS-8503: Oracle Clusterware process OCSSD with operating system process ID 13467 experienced fatal signal or exception code 6.
2021-07-30 09:58:09.829 [CSSDMONITOR(20631)]CRS-8500: Oracle Clusterware CSSDMONITOR process is starting with operating system process ID 20631
[root@oracle-rac2 trace]# tailf ohasd.trc
2021-07-30 09:50:51.551 : CRSPE:1226725120: [ INFO] {0:0:110} Processing PE command id=133 origin:oracle-rac2. Description: [Stat Resource : 0x7f2cec183100]
2021-07-30 09:50:51.551 : CRSPE:1226725120: [ INFO] {0:0:110} Expression Filter : ((LAST_SERVER == oracle-rac2) AND (NAME == ora.cssd))
2021-07-30 09:50:51.562 :UiServer:1220421376: [ INFO] {0:0:110} Done for ctx=0x7f2cf803a9e0
2021-07-30 09:51:02.159 :GIPCHTHR:1243535104: gipchaWorkerWork: workerThread heart beat, time interval since last heartBeat 30080 loopCount 38 sendCount 0 recvCount 102 postCount 0 sendCmplCount 0 recvCmplCount 0
2021-07-30 09:51:04.819 :GIPCHTHR:1216218880: gipchaDaemonWork: DaemonThread heart beat, time interval since last heartBeat 30860loopCount 28
2021-07-30 09:51:13.992 :UiServer:1220421376: [ INFO] {0:0:111} Sending to PE. ctx= 0x7f2cf803d490, ClientPID=13128 set Properties (grid,101398)
2021-07-30 09:51:13.992 : CRSPE:1226725120: [ INFO] {0:0:111} Processing PE command id=134 origin:oracle-rac2. Description: [Stat Resource : 0x7f2cec183100]
2021-07-30 09:51:14.002 :UiServer:1220421376: [ INFO] {0:0:111} Done for ctx=0x7f2cf803d490
2021-07-30 09:51:32.232 :GIPCHTHR:1243535104: gipchaWorkerWork: workerThread heart beat, time interval since last heartBeat 30070 loopCount 31 sendCount 0 recvCount 36 postCount 0 sendCmplCount 0 recvCmplCount 0
2021-07-30 09:51:35.322 :GIPCHTHR:1216218880: gipchaDaemonWork: DaemonThread heart beat, time interval since last heartBeat 30500loopCount 28
2021-07-30 09:51:49.722 : CRSPE:1226725120: [ INFO] {0:0:2} waiting for message 'RESOURCE_START[ora.cssd 1 1] ID 4098:339, tint:{0:5:3}' to be completed on server : oracle-rac2
2021-07-30 09:51:51.431 :UiServer:1220421376: [ INFO] {0:0:112} Sending to PE. ctx= 0x7f2cf803a810, ClientPID=12992 set Properties (root,102335), orig.tint: {0:0:2}
2021-07-30 09:51:51.431 : CRSPE:1226725120: [ INFO] {0:0:112} Processing PE command id=135 origin:oracle-rac2. Description: [Stat Resource : 0x7f2cec183100]
2021-07-30 09:51:51.438 :UiServer:1220421376: [ INFO] {0:0:112} Done for ctx=0x7f2cf803a810
2021-07-30 09:51:51.487 :UiServer:1220421376: [ INFO] {0:0:113} Sending to PE. ctx= 0x7f2cf803da20, ClientPID=12992 set Properties (root,103205), orig.tint: {0:0:2}
2021-07-30 09:51:51.487 : CRSPE:1226725120: [ INFO] {0:0:113} Processing PE command id=136 origin:oracle-rac2. Description: [Stat Resource : 0x7f2cec183100]
2021-07-30 09:51:51.494 :UiServer:1220421376: [ INFO] {0:0:113} Done for ctx=0x7f2cf803da20
2021-07-30 09:51:51.539 :UiServer:1220421376: [ INFO] {0:0:114} Sending to PE. ctx= 0x7f2cf80012a0, ClientPID=12992 set Properties (root,103573), orig.tint: {0:0:2}
2021-07-30 09:51:51.539 : CRSPE:1226725120: [ INFO] {0:0:114} Processing PE command id=137 origin:oracle-rac2. Description: [Stat Resource : 0x7f2cec183100]
2021-07-30 09:51:51.539 : CRSPE:1226725120: [ INFO] {0:0:114} Expression Filter : ((LAST_SERVER == oracle-rac2) AND (NAME == ora.cssd))
2021-07-30 09:51:51.545 :UiServer:1220421376: [ INFO] {0:0:114} Done for ctx=0x7f2cf80012a0
节点1的日志也没有啥可用的信息。
使用ping命令ping公网和私网，都没有问题：
[root@oracle-rac2 ~]# ping oracle-rac1
PING oracle-rac1 (172.18.0.66) 56(84) bytes of data.
64 bytes from oracle-rac1 (172.18.0.66): icmp_seq=1 ttl=64 time=0.250 ms
^C
--- oracle-rac1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.250/0.250/0.250/0.000 ms
[root@oracle-rac2 ~]# ping oracle-rac1-priv
PING oracle-rac1-priv (172.18.1.66) 56(84) bytes of data.
64 bytes from oracle-rac1-priv (172.18.1.66): icmp_seq=1 ttl=64 time=0.360 ms
^C
--- oracle-rac1-priv ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.360/0.360/0.360/0.000 ms
接下来用traceroute来查看：
[root@oracle-rac2 ~]# traceroute oracle-rac1
traceroute to oracle-rac1 (172.18.0.66), 30 hops max, 60 byte packets
1 * * *
2 * * *
3 * * *
4 * * *
5 * * *
6 * * *
7 * * *
8 * * *
9 * * *
10 * * *
11 * * *
12 * * *
13 * * *
14 * * *
15 * * *
16 * * *^C
[root@oracle-rac2 ~]# traceroute oracle-rac1-priv
traceroute to oracle-rac1-priv (172.18.1.66), 30 hops max, 60 byte packets
1 * * *
2 * * *
3 * * *
4 * * *
5 * * *
6 *^C
[root@oracle-rac2 ~]# traceroute oracle-rac2
traceroute to oracle-rac2 (127.0.0.1), 30 hops max, 60 byte packets
1 localhost (127.0.0.1) 0.021 ms 0.003 ms 0.003 ms
发现，使用traceroute结果不通（而且公网和私网都不通），说明网络的确有问题。可见，能ping通，不一定网络就没有问题，能ping通只是说明节点之间的ICMP协议通信没有问题。
之前没碰到过这类错误，只能求助于MOS和各大搜索引擎了，下面总结一下网友碰到的原因：
CSSD not starting up on second Node in a 2 Node Cluster. (Doc ID 2519544.1) ：原因是服务器启动了安全类的软件或中病毒了，需要将安全类的软件停止才可以。
禁用HAIP：这个环境之前已经禁用过了，可以参考：https://www.xmmup.com/dbbao44oracle-racjiqunzhongdeipleixingjianjie.html
交换机和网卡有问题：我把网卡删掉，重建了一次网卡（类似于拔掉网卡，再插入），依然没有解决。网卡先down再up也没有解决，可见我的系统不是网卡本身的问题。
防火墙问题：该系统防火墙是关闭的。
多播工作机制异常：多播工作机制可以通过执行oracle的mcasttest.pl脚本进行检测，参考Grid Infrastructure Startup During Patching, Install or Upgrade May Fail Due to Multicasting Requirement (ID 1212703.1)。我运行脚本的时候报错，就没有检查了，感觉不是这个原因引起的。
节点进程gipcd.bin存在异常：gipcd.bin进程负责管理集群中所有的私有网卡，有一定原因是由于正常节点1服务器此进程出现异常，导致节点2服务器集群HAIP一直处于starting，cssd进程无法启动。 1） 手动终止节点1的gipcd.bin进程，kill之后发现集群会自动将此进程拉起，无需重启节点1的集群服务 2） 重启节点2集群服务，集群状态恢复正常，问题解决，由此判断此故障是由于正常节点集群gipcd.bin进程异常造成
oracle bug：此问题可能是BUG 13334158、BUG13811209、BUG12720728造成，在11.2.0.3.12 G I PSU3及以上PSU修复，可参考相关文档。
其他解决方案
导致节点2启动失败的可能原因有很多，如果上述方案无法解决，可参考以下方案：
a) 关闭正常节点1集群服务，先重启节点2集群服务再重启节点1集群服务（结果发现我的环境，节点1启动不起来，就是同时只能有1个节点启动）
b) 关闭所有集群服务，拔掉心跳线，15分钟后重新插入，再重启集群服务（可反复插拔进行尝试）
c) 手动启动haip：crsctl start res ora.cluster_interconnect.haip -init，或禁用HAIP
d) 重启两台服务器。
节点互信问题：其实，只要安装好rac后，修改oracle和grid用户的密码或者修改sshd的默认22端口，都不会导致rac的问题，因为互信是通过密钥来通信的，尽管如此，我还是测试了一下互信，没有问题：
[oracle@oracle-rac2 ~]
Fri Jul 30 10:32:20 CST 2021
/*
* 提示：该行代码过长，系统自动注释不进行高亮。一键复制会移除系统注释
* [grid@oracle-rac2 ~]<span class="katex-html" aria-hidden="true" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;"><span class="strut" style="height:0.69444em;vertical-align:0em;" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;"><span class="mord mathit" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;">s<span class="mord mathit" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;">s<span class="mord mathit" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;">h<span class="mord mathit" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit 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inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;">c<span class="mord mathit" style="margin-right:0.05764em;" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;">E<span class="mord mathit" style="margin-right:0.05764em;" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;">E<span class="mord mathit" style="margin-right:0.05764em;" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;">E<span class="mord mathit" style="margin-right:0.05764em;" style="color: inherit;line-height: inherit;font-size: 0.9em;overflow-wrap: inherit !important;word-break: inherit !important;">E ssh grid@oracle-rac1 date
*/
Fri Jul 30 10:33:48 CST 2021
</span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit" style="margin-right:0.02778em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit"></span class="mord mathit" style="margin-right:0.01968em;"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit" style="margin-right:0.02778em;"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit" style="margin-right:0.02778em;"></span class="mord mathit" style="margin-right:0.03588em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit" style="margin-right:0.13889em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit" style="margin-right:0.07153em;"></span class="strut" style="height:0.8888799999999999em;vertical-align:-0.19444em;"></span class="mspace" style="margin-right:0.2777777777777778em;"></span class="mspace" style="margin-right:0.2777777777777778em;"></span class="strut" style="height:0.64444em;vertical-align:0em;"></span class="mspace" style="margin-right:0.2777777777777778em;"></span class="mspace" style="margin-right:0.2777777777777778em;"></span class="mord mathit" style="margin-right:0.01968em;"></span class="mord mathit"></span class="mord mathit" style="margin-right:0.09618em;"></span class="mord mathit"></span class="mord mathit" style="margin-right:0.02778em;"></span class="mord mathit" style="margin-right:0.13889em;"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit" style="margin-right:0.02778em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit" style="margin-right:0.05764em;"></span class="mord mathit"></span class="mord mathit" style="margin-right:0.01968em;"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit" style="margin-right:0.02778em;"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit"></span class="mord mathit"></span class="strut" style="height:0.69444em;vertical-align:0em;"></span class="katex-html" aria-hidden="true">
这里，需要说明的一点是，如果你修改过sshd的端口为非22端口，那么应该同时修改/etc/services文件，否则直接用ssh测试肯定不通：
[grid@oracle-rac2 ~]$ more /etc/services | grep SSH
ssh 1520/tcp # The Secure Shell (SSH) Protocol
ssh 1520/udp # The Secure Shell (SSH) Protocol
重新跑root.sh脚本：这是万般无奈下的解决办法（可以解决很多问题），可惜我做了一次后，也失败了，脚本列出来：
-- 查询ASM磁盘
$GRID_HOME/bin/kfod disks=asm st=true ds=true cluster=true
#root用户重新执行root.sh，配置文件：$ORACLE_HOME/crs/install/crsconfig_params
crsctl stop crs -f
#kill -9 `ps -ef|grep d.bin| grep -v grep | awk '{print $2}'`
export GRID_HOME=$ORACLE_HOME
$GRID_HOME/crs/install/rootcrs.pl -deconfig -force -verbose
$GRID_HOME/crs/install/rootcrs.pl -deconfig -force -verbose -lastnode -keepdg
#find $ORACLE_HOME/gpnp/* -type f -exec rm -rf {} \;
dd if=/dev/zero of=/dev/rhdiskN bs=1024k count=100 -- 清理磁盘头
#查看磁盘是否有内容
#AIX用：lquerypv -h /dev/rhdisk5
#linux用：hexdump /dev/sdb ，例如：hexdump -n 1024 -C /dev/sdb1
#保证集群完全关闭，最好重启OS，检查网络情况，是否有cvuqdisk
#find /u01 -name cvuqdisk*
#rpm -qa cvuqdisk
#rpm -ivh $GRID_HOME/cv/rpm/cvuqdisk-*.rpm
#检查配置文件（$ORACLE_HOME/crs/install/crsconfig_params）是否需要修改，18c可以去掉MGMTDB
$GRID_HOME/root.sh #若出现错误，则在解决错误后可以重复执行，不需要先deconfig到此，从早上10点到晚上8点，时间就这样过去了。。。。已经打算放弃了，准备卸载掉rac，重新安装，可是就是不甘心，没找到原因。。。。：
。。。。然后洗了个澡，当然，洗澡的同时脑子一直在想还有哪个方面没有考虑到，，，最后想到，是不是有人动了华为云的安全组策略了，因为这套rac之前中过病毒，可能客户修改过安全组，于是，赶紧查看安全组，发现：
果然，用户把udp端口都没有开！！！！
于是，添加2个节点之间的所有udp端口，如下所示：
然后，节点2立马就通了，traceroute输出结果：
[root@oracle-rac2 ~]# traceroute oracle-rac2
traceroute to oracle-rac2 (127.0.0.1), 30 hops max, 60 byte packets
1 localhost (127.0.0.1) 0.017 ms 0.003 ms 0.003 ms
[root@oracle-rac2 ~]# traceroute oracle-rac1
traceroute to oracle-rac1 (172.18.0.66), 30 hops max, 60 byte packets
1 oracle-rac1 (172.18.0.66) 0.276 ms 0.265 ms 0.251 ms
[root@oracle-rac1 ~]# traceroute oracle-rac2
traceroute to oracle-rac2 (172.18.0.67), 30 hops max, 60 byte packets
1 oracle-rac2 (172.18.0.67) 0.274 ms 0.271 ms 0.256 ms
[root@oracle-rac1 ~]# traceroute oracle-rac1
traceroute to oracle-rac1 (172.18.0.66), 30 hops max, 60 byte packets
1 oracle-rac1 (172.18.0.66) 0.014 ms 0.003 ms 0.002 ms
再去启动节点2，发现一切正常，此时是晚上10点左右：
[root@oracle-rac2 ~]# crsctl start has
CRS-4123: Oracle High Availability Services has been started.
[root@oracle-rac2 ~]# crsctl stat res -t
--------------------------------------------------------------------------------
Name Target State Server State details
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
ONLINE ONLINE oracle-rac1 STABLE
ONLINE ONLINE oracle-rac2 STABLE
ora.chad
ONLINE ONLINE oracle-rac1 STABLE
ONLINE ONLINE oracle-rac2 STABLE
ora.net1.network
ONLINE ONLINE oracle-rac1 STABLE
ONLINE ONLINE oracle-rac2 STABLE
ora.ons
ONLINE ONLINE oracle-rac1 STABLE
ONLINE ONLINE oracle-rac2 STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 STABLE
2 ONLINE ONLINE oracle-rac2 STABLE
3 ONLINE OFFLINE STABLE
ora.DATA.dg(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 STABLE
2 ONLINE ONLINE oracle-rac2 STABLE
3 OFFLINE OFFLINE STABLE
ora.LISTENER_SCAN1.lsnr
1 ONLINE ONLINE oracle-rac1 STABLE
ora.OCR.dg(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 STABLE
2 ONLINE ONLINE oracle-rac2 STABLE
3 OFFLINE OFFLINE STABLE
ora.asm(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 Started,STABLE
2 ONLINE ONLINE oracle-rac2 Started,STABLE
3 OFFLINE OFFLINE STABLE
ora.asmnet1.asmnetwork(ora.asmgroup)
1 ONLINE ONLINE oracle-rac1 STABLE
2 ONLINE ONLINE oracle-rac2 STABLE
3 OFFLINE OFFLINE STABLE
ora.cvu
1 ONLINE ONLINE oracle-rac1 STABLE
ora.oracle-rac1.vip
1 ONLINE ONLINE oracle-rac1 STABLE
ora.oracle-rac2.vip
1 ONLINE ONLINE oracle-rac2 STABLE
ora.orcl.db
1 ONLINE ONLINE oracle-rac1 Open,HOME=/u01/app/o
racle/product/19.3.0
/dbhome_1,STABLE
2 ONLINE ONLINE oracle-rac2 Open,HOME=/u01/app/o
racle/product/19.3.0
/dbhome_1,STABLE
ora.qosmserver
1 ONLINE ONLINE oracle-rac1 STABLE
ora.scan1.vip
1 ONLINE ONLINE oracle-rac1 STABLE
--------------------------------------------------------------------------------
一个安全组的问题，耗了我1天！！！
rac中的udp端口
其实，rac的节点之间通信有很多端口是通过udp端口进行通信的（例如cssd、ohasd等），也有部分是通过tcp端口通信的（例如tnslsnr），
[root@oracle-rac2 ~]# netstat -ulp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
udp 0 0 localhost:13530 0.0.0.0:* 22668/asm_vktm_+ASM
udp 0 0 oracle-rac2-priv:13530 0.0.0.0:* 22668/asm_vktm_+ASM
udp 0 0 0.0.0.0:mdns 0.0.0.0:* 20912/mdnsd.bin
udp 0 0 0.0.0.0:mdns 0.0.0.0:* 20912/mdnsd.bin
udp 0 0 localhost:13554 0.0.0.0:* 25142/ora_p000_orcl
udp 0 0 oracle-rac2-priv:38137 0.0.0.0:* 23563/ora_ipc0_orcl
udp 0 0 localhost:38153 0.0.0.0:* 23871/ora_ocf0_orcl
udp 0 0 localhost:38162 0.0.0.0:* 25281/ora_q004_orcl
udp 0 0 localhost:46396 0.0.0.0:* 25168/ora_p00b_orcl
udp 0 0 oracle-rac2-priv:38212 0.0.0.0:* 25144/ora_p001_orcl
udp 0 0 oracle-rac2-priv:46452 0.0.0.0:* 23629/ora_lmd1_orcl
udp 0 0 oracle-rac2-priv:54646 0.0.0.0:* 23613/ora_dia0_orcl
udp 0 0 oracle-rac2-priv:62850 0.0.0.0:* 24994/ora_rcbg_orcl
udp 0 0 localhost:21905 0.0.0.0:* 25265/ora_q002_orcl
udp 0 0 oracle-rac2-priv:46485 0.0.0.0:* 22698/asm_dia0_+ASM
udp 0 0 localhost:38304 0.0.0.0:* 23747/ora_tmon_orcl
udp 0 0 oracle-rac2-priv:54708 0.0.0.0:* 23619/ora_lms1_orcl
udp 0 0 localhost:54752 0.0.0.0:* 22840/asm_m000_+ASM
udp 0 0 oracle-rac2-priv:54752 0.0.0.0:* 22840/asm_m000_+ASM
udp 0 0 oracle-rac2-priv:30178 0.0.0.0:* 22719/asm_ckpt_+ASM
udp 0 0 oracle-rac2-priv:54759 0.0.0.0:* 23674/oracle+ASM2_a
udp 0 0 localhost:22026 0.0.0.0:* 22644/asm_clmn_+ASM
udp 0 0 oracle-rac2-priv:22026 0.0.0.0:* 22644/asm_clmn_+ASM
udp 0 0 localhost:62992 0.0.0.0:* 25260/ora_qm02_orcl
udp 0 0 oracle-rac2-priv:62998 0.0.0.0:* 23563/ora_ipc0_orcl
udp 0 0 oracle-rac2-priv:13848 0.0.0.0:* 23631/ora_rms0_orcl
udp 0 0 localhost:38454 0.0.0.0:* 22688/asm_ping_+ASM
udp 0 0 oracle-rac2-priv:38454 0.0.0.0:* 22688/asm_ping_+ASM
udp 0 0 oracle-rac2-priv:13897 0.0.0.0:* 23573/ora_gen0_orcl
udp 0 0 localhost:13934 0.0.0.0:* 23683/ora_mmnl_orcl
udp 0 0 localhost:13967 0.0.0.0:* 23181/asm_o000_+ASM
udp 0 0 oracle-rac2-priv:13967 0.0.0.0:* 23181/asm_o000_+ASM
udp 0 0 oracle-rac2-priv:38570 0.0.0.0:* 25157/ora_p007_orcl
udp 0 0 localhost:38610 0.0.0.0:* 22730/asm_gmon_+ASM
udp 0 0 oracle-rac2-priv:38610 0.0.0.0:* 22730/asm_gmon_+ASM
udp 0 0 oracle-rac2-priv:63232 0.0.0.0:* 23635/ora_lck1_orcl
udp 0 0 oracle-rac2-priv:63314 0.0.0.0:* 23671/ora_mmon_orcl
udp 0 0 oracle-rac2-priv:22358 0.0.0.0:* 25147/ora_p002_orcl
udp 0 0 oracle-rac2-priv:63337 0.0.0.0:* 25281/ora_q004_orcl
udp 0 0 oracle-rac2-priv:46961 0.0.0.0:* 23604/ora_ping_orcl
udp 0 0 localhost:30578 0.0.0.0:* 23563/ora_ipc0_orcl
udp 0 0 oracle-rac2-priv:22404 0.0.0.0:* 23617/ora_lms0_orcl
udp 0 0 oracle-rac2-priv:30599 0.0.0.0:* 22682/asm_diag_+ASM
udp 0 0 localhost:38875 0.0.0.0:* 23617/ora_lms0_orcl
udp 0 0 oracle-rac2-priv:38893 0.0.0.0:* 24111/ora_ppa7_orcl
udp 0 0 localhost:47092 0.0.0.0:* 25179/ora_p00f_orcl
udp 0 0 oracle-rac2-priv:55297 0.0.0.0:* 25281/ora_q004_orcl
udp 0 0 oracle-rac2-priv:38923 0.0.0.0:* 25177/ora_p00e_orcl
udp 0 0 oracle-rac2-priv:30750 0.0.0.0:* 23600/ora_dbrm_orcl
udp 0 0 oracle-rac2-priv:63578 0.0.0.0:* 23023/asm_ppa7_+ASM
udp 0 0 oracle-rac2-priv:22643 0.0.0.0:* 23656/ora_reco_orcl
udp 0 0 oracle-rac2-priv:55450 0.0.0.0:* 23606/ora_svcb_orcl
udp 0 0 oracle-rac2-priv:22684 0.0.0.0:* 25142/ora_p000_orcl
udp 0 0 oracle-rac2-priv:55509 0.0.0.0:* 25170/ora_p00c_orcl
udp 0 0 oracle-rac2-priv:55521 0.0.0.0:* 24577/ora_w003_orcl
udp 0 0 oracle-rac2-priv:30946 0.0.0.0:* 23645/ora_ckpt_orcl
udp 0 0 localhost:55527 0.0.0.0:* 25162/ora_p008_orcl
udp 0 0 localhost:14584 0.0.0.0:* 22713/asm_dbw0_+ASM
udp 0 0 oracle-rac2-priv:14584 0.0.0.0:* 22713/asm_dbw0_+ASM
udp 0 0 oracle-rac2-priv:22779 0.0.0.0:* 23729/ora_rsmn_orcl
udp 0 0 localhost:55554 0.0.0.0:* 23579/ora_gen1_orcl
udp 0 0 oracle-rac2-priv:14621 0.0.0.0:* 25129/ora_aqpc_orcl
udp 0 0 oracle-rac2-priv:63778 0.0.0.0:* 22682/asm_diag_+ASM
udp 0 0 localhost:55658 0.0.0.0:* 23183/oracle+ASM2_o
udp 0 0 oracle-rac2-priv:55658 0.0.0.0:* 23183/oracle+ASM2_o
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udp 0 0 localhost:61415 0.0.0.0:* 23557/ora_clmn_orcl
udp 0 0 oracle-rac2-priv:12274 0.0.0.0:* 22668/asm_vktm_+ASM
udp 0 0 localhost:61445 0.0.0.0:* 23020/oracle+ASM2_o
udp 0 0 oracle-rac2-priv:61445 0.0.0.0:* 23020/oracle+ASM2_o
udp 0 0 localhost:12303 0.0.0.0:* 24596/ora_w004_orcl
udp 0 0 localhost:12325 0.0.0.0:* 25166/ora_p00a_orcl
udp 0 0 oracle-rac2-priv:20543 0.0.0.0:* 22704/asm_lms0_+ASM
udp 0 0 localhost:53312 0.0.0.0:* 23656/ora_reco_orcl
udp 0 0 oracle-rac2-priv:28741 0.0.0.0:* 22783/asm_lck0_+ASM
udp 0 0 localhost:28748 0.0.0.0:* 22704/asm_lms0_+ASM
udp 0 0 oracle-rac2-priv:28748 0.0.0.0:* 22704/asm_lms0_+ASM
udp 0 0 localhost:28767 0.0.0.0:* 22781/asm_gcr0_+ASM
udp 0 0 oracle-rac2-priv:28767 0.0.0.0:* 22781/asm_gcr0_+ASM
udp 0 0 oracle-rac2-priv:36968 0.0.0.0:* 23226/oracle+ASM2
udp 0 0 oracle-rac2-priv:53365 0.0.0.0:* 25162/ora_p008_orcl
udp 0 0 localhost:37008 0.0.0.0:* 22674/asm_mman_+ASM
udp 0 0 oracle-rac2-priv:37008 0.0.0.0:* 22674/asm_mman_+ASM
udp 0 0 localhost:61739 0.0.0.0:* 23613/ora_dia0_orcl
udp 0 0 oracle-rac2-priv:37178 0.0.0.0:* 25153/ora_p005_orcl
udp 0 0 localhost:12604 0.0.0.0:* 23023/asm_ppa7_+ASM
udp 0 0 oracle-rac2-priv:12604 0.0.0.0:* 23023/asm_ppa7_+ASM
udp 0 0 localhost:20811 0.0.0.0:* 25784/ora_m001_orcl
udp 0 0 oracle-rac2-priv:29025 0.0.0.0:* 23647/ora_lg01_orcl
udp 0 0 oracle-rac2-priv:61800 0.0.0.0:* 25162/ora_p008_orcl
udp 0 0 localhost:61801 0.0.0.0:* 24389/ora_tt02_orcl
udp 0 0 localhost:37252 0.0.0.0:* 23584/ora_diag_orcl
udp 0 0 oracle-rac2-priv:45454 0.0.0.0:* 20910/evmd.bin
udp 0 0 oracle-rac2-priv:12715 0.0.0.0:* 22709/asm_lmhb_+ASM
udp 0 0 localhost:61907 0.0.0.0:* 23559/ora_psp0_orcl
udp 0 0 localhost:29206 0.0.0.0:* 23611/ora_pman_orcl
udp 0 0 oracle-rac2-priv:12849 0.0.0.0:* 25166/ora_p00a_orcl
udp 0 0 localhost:53824 0.0.0.0:* 23729/ora_rsmn_orcl
udp 0 0 oracle-rac2-priv:53852 0.0.0.0:* 25168/ora_p00b_orcl
udp 0 0 oracle-rac2-priv:37473 0.0.0.0:* 25819/oracle+ASM2_m
udp 0 0 localhost:12934 0.0.0.0:* 25819/oracle+ASM2_m
udp 0 0 oracle-rac2-priv:12934 0.0.0.0:* 25819/oracle+ASM2_m
udp 0 0 localhost:53907 0.0.0.0:* 23266/oracle+ASM2
udp 0 0 oracle-rac2-priv:53907 0.0.0.0:* 23266/oracle+ASM2
udp 0 0 oracle-rac2-priv:37588 0.0.0.0:* 23617/ora_lms0_orcl
udp 0 0 oracle-rac2-priv:45797 0.0.0.0:* 22704/asm_lms0_+ASM
udp 0 0 localhost:62186 0.0.0.0:* 24577/ora_w003_orcl
udp 0 0 oracle-rac2-priv:45817 0.0.0.0:* 23025/asm_asmb_+ASM
udp 0 0 oracle-rac2-priv:13080 0.0.0.0:* 23266/oracle+ASM2
udp 0 0 oracle-rac2-priv:54094 0.0.0.0:* 22840/asm_m000_+ASM
udp 0 0 oracle-rac2-priv:13141 0.0.0.0:* 23621/ora_lmd0_orcl
udp 0 0 localhost:21365 0.0.0.0:* 22733/asm_mmon_+ASM
udp 0 0 oracle-rac2-priv:21365 0.0.0.0:* 22733/asm_mmon_+ASM
udp 0 0 oracle-rac2-priv:21393 0.0.0.0:* 25153/ora_p005_orcl
udp 0 0 oracle-rac2-priv:45976 0.0.0.0:* 25627/oracleorcl2
udp 0 0 localhost:21429 0.0.0.0:* 25263/ora_qm05_orcl
udp 0 0 localhost:13239 0.0.0.0:* 22642/asm_pmon_+ASM
udp 0 0 oracle-rac2-priv:13239 0.0.0.0:* 22642/asm_pmon_+ASM
udp 0 0 localhost:13275 0.0.0.0:* 22682/asm_diag_+ASM
udp 0 0 oracle-rac2-priv:13275 0.0.0.0:* 22682/asm_diag_+ASM
udp 0 0 oracle-rac2-priv:21478 0.0.0.0:* 25147/ora_p002_orcl
udp 0 0 localhost:62473 0.0.0.0:* 23619/ora_lms1_orcl
udp 0 0 oracle-rac2-priv:46107 0.0.0.0:* 23877/oracle+ASM2_o
udp 0 0 localhost:46113 0.0.0.0:* 23615/ora_lmon_orcl
udp 0 0 oracle-rac2-priv:37990 0.0.0.0:* 23722/ora_lck0_orcl
udp 0 0 localhost:62591 0.0.0.0:* 23653/ora_w000_orcl
udp 0 0 localhost:62603 0.0.0.0:* 25177/ora_p00e_orcl
udp 0 0 localhost:29836 0.0.0.0:* 23025/asm_asmb_+ASM
udp 0 0 oracle-rac2-priv:29836 0.0.0.0:* 23025/asm_asmb_+ASM
udp 0 0 localhost:21677 0.0.0.0:* 25164/ora_p009_orcl
udp 0 0 oracle-rac2-priv:21677 0.0.0.0:* 23573/ora_gen0_orcl
udp 0 0 oracle-rac2-priv:62639 0.0.0.0:* 23606/ora_svcb_orcl
udp 0 0 localhost:54450 0.0.0.0:* 22725/asm_pxmn_+ASM
udp 0 0 oracle-rac2-priv:54450 0.0.0.0:* 22725/asm_pxmn_+ASM
udp 0 0 oracle-rac2-priv:46268 0.0.0.0:* 23649/ora_smon_orcl
udp 0 0 localhost:13524 0.0.0.0:* 22728/asm_rbal_+ASM
udp 0 0 oracle-rac2-priv:13524 0.0.0.0:* 22728/asm_rbal_+ASM
udp6 0 0 [::]:mdns [::]:* 20912/mdnsd.bin
udp6 0 0 [::]:mdns [::]:* 20912/mdnsd.bin
udp6 0 0 localhost:47775 [::]:* 23688/ora_s000_orcl
udp6 0 0 localhost:64529 [::]:* 23686/ora_d000_orcl
udp6 0 0 localhost:48670 [::]:* 25267/oracleorcl2
udp6 0 0 [::]:sunrpc [::]:* 744/rpcbind
udp6 0 0 localhost:41276 [::]:* 23674/oracle+ASM2_a
udp6 0 0 [::]:894 [::]:* 744/rpcbind
udp6 0 0 localhost:51484 [::]:* 22723/asm_lreg_+ASM
udp6 0 0 localhost:43907 [::]:* 23661/ora_lreg_orcl
udp6 0 0 localhost:53992 [::]:* 23030/oracle+ASM2_a
udp6 0 0 localhost:21720 [::]:* 20532/ohasd.bin
[root@oracle-rac2 ~]# netstat -ulp | wc -l
412
[root@oracle-rac2 ~]# netstat -tlp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 localhost:8126 0.0.0.0:* LISTEN 891/trace-agent
tcp 0 0 localhost:bootserver 0.0.0.0:* LISTEN 20878/oraagent.bin
tcp 0 0 oracle-rac2-priv:12132 0.0.0.0:* LISTEN 22337/tnslsnr
tcp 0 0 0.0.0.0:44132 0.0.0.0:* LISTEN 21039/gpnpd.bin
tcp 0 0 localhost:commplex-main 0.0.0.0:* LISTEN 888/agent
tcp 0 0 localhost:commplex-link 0.0.0.0:* LISTEN 888/agent
tcp 0 0 oracle-rac2-priv:11402 0.0.0.0:* LISTEN 21258/osysmond.bin
tcp 0 0 localhost:6062 0.0.0.0:* LISTEN 890/process-agent
tcp 0 0 0.0.0.0:sunrpc 0.0.0.0:* LISTEN 744/rpcbind
tcp 0 0 oracle-rac2-vi:ncube-lm 0.0.0.0:* LISTEN 22337/tnslsnr
tcp 0 0 localhost:ncube-lm 0.0.0.0:* LISTEN 22337/tnslsnr
tcp 0 0 localhost:synchronet-db 0.0.0.0:* LISTEN 22473/ons
tcp 0 0 oracle-rac2:prospero-np 0.0.0.0:* LISTEN 22392/tnslsnr
tcp 0 0 localhost:findviatv 0.0.0.0:* LISTEN 1071/xrdp-sesman
tcp 0 0 0.0.0.0:ssh 0.0.0.0:* LISTEN 1931/sshd
tcp 0 0 localhost:smtp 0.0.0.0:* LISTEN 1401/master
tcp6 0 0 [::]:fcp-addr-srvr1 [::]:* LISTEN 22337/tnslsnr
tcp6 0 0 localhost:bootserver [::]:* LISTEN 20878/oraagent.bin
tcp6 0 0 [::]:29102 [::]:* LISTEN 23686/ora_d000_orcl
tcp6 0 0 [::]:sunrpc [::]:* LISTEN 744/rpcbind
tcp6 0 0 localhost:synchronet-db [::]:* LISTEN 22473/ons
tcp6 0 0 [::]:lm-x [::]:* LISTEN 22473/ons
tcp6 0 0 localhost:smtp [::]:* LISTEN 1401/master
[root@oracle-rac2 ~]# netstat -utlp | grep tns
tcp 0 0 oracle-rac2-priv:12132 0.0.0.0:* LISTEN 22337/tnslsnr
tcp 0 0 oracle-rac2-vi:ncube-lm 0.0.0.0:* LISTEN 22337/tnslsnr
tcp 0 0 localhost:ncube-lm 0.0.0.0:* LISTEN 22337/tnslsnr
tcp 0 0 oracle-rac2:prospero-np 0.0.0.0:* LISTEN 22392/tnslsnr
tcp6 0 0 [::]:fcp-addr-srvr1 [::]:* LISTEN 22337/tnslsnr
[root@oracle-rac2 ~]# netstat -utlp | grep pmon
udp 0 0 localhost:15585 0.0.0.0:* 23555/ora_pmon_orcl
udp 0 0 oracle-rac2-priv:49495 0.0.0.0:* 22642/asm_pmon_+ASM
udp 0 0 localhost:13239 0.0.0.0:* 22642/asm_pmon_+ASM
udp 0 0 oracle-rac2-priv:13239 0.0.0.0:* 22642/asm_pmon_+ASM
[root@oracle-rac2 ~]# netstat -utlp | grep ocssd
udp 0 0 172.18.1.255:42424 0.0.0.0:* 21401/ocssd.bin
udp 0 0 230.0.1.0:42424 0.0.0.0:* 21401/ocssd.bin
udp 0 0 224.0.0.251:42424 0.0.0.0:* 21401/ocssd.bin
udp 0 0 oracle-rac2-priv:44653 0.0.0.0:* 21401/ocssd.bin
[root@oracle-rac2 ~]# netstat -utlp | grep ohas
udp 0 0 0.0.0.0:39748 0.0.0.0:* 20532/ohasd.bin
udp 0 0 oracle-rac2-priv:23948 0.0.0.0:* 20532/ohasd.bin
udp 0 0 172.18.1.255:42424 0.0.0.0:* 20532/ohasd.bin
udp 0 0 230.0.1.0:42424 0.0.0.0:* 20532/ohasd.bin
udp 0 0 224.0.0.251:42424 0.0.0.0:* 20532/ohasd.bin
udp6 0 0 localhost:21720 [::]:* 20532/ohasd.bin
所以，在云平台上安装rac，在安全组里，必须开启2个节点之间的所有udp和tcp端口。
找一个单机的Oracle环境：
[root@lhrora11203 /]# netstat -tulp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 *:25072 *:* LISTEN 968/ora_d000_LHR11G
tcp 0 0 *:ncube-lm *:* LISTEN 844/tnslsnr
tcp 0 0 *:ssh *:* LISTEN 790/sshd
tcp 0 0 localhost:ipp *:* LISTEN 746/cupsd
tcp 0 0 *:ssh *:* LISTEN 790/sshd
udp 0 0 localhost:27586 *:* 968/ora_d000_LHR11G
udp 0 0 localhost:65056 *:* 936/ora_pmon_LHR11G
udp 0 0 *:ipp *:* 746/cupsd
udp 0 0 *:42111 *:* 964/ora_mmon_LHR11G
udp 0 0 localhost:48514 *:* 970/ora_s000_LHR11G
也有部分udp端口。
本文结束。
本文参与 腾讯云自媒体同步曝光计划，分享自微信公众号。
原始发表：2023-10-07 07:43，如有侵权请联系 cloudcommunity@tencent.com 删除
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