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ORACLE 19C RAC集群安装与PRCR-1079&CRS-5017&ORA-03113

原创 Oracle 作者:清风艾艾 时间:2021-02-20 17:09:17 0 删除 编辑

    今天,一同事在自己的虚拟机上安装oracle 19c rac集群,在他安装的过程中遭遇了报错:

PRCR-1079&CRS-5017&ORA-03113。具体的报错信息截图如下:

    看着像是功败垂成的样子,同事提供的DBCA报错日志信息提示,数据库库实例未启动:

    进一步跟踪两个节点db实例的告警日志,除了实例被PMON进程终止,未发现其他有价值的信息:

实例1的告警日志:

2021-02-20T11:45:14.671691+08:00

Dumping diagnostic data in directory=[cdmp_20210220114514], requested by (instance=2, osid=88420 (PMON)), summary=[abnormal instance termination].

2021-02-20T11:45:39.728434+08:00

ALTER SYSTEM SET _ipddb_enable=TRUE SCOPE=MEMORY SID='racdb1';

2021-02-20T11:46:15.464253+08:00

Process termination requested for pid 91909 [source = rdbms], [info = 2] [request issued by pid: 91857, uid: 6001]

2021-02-20T11:46:23.515236+08:00

Warning: VKTM detected a forward time drift. 

Please see the VKTM trace file for more details:

/oracle/app/oracle/diag/rdbms/racdb/racdb1/trace/racdb1_vktm_91812.trc

实例2的告警日志:

2021-02-20T11:44:03.379475+08:00

My CSS node number is 2 

My CSS hostname is racdb62

Instance reconfiguration: current system load 19 (hiload)

lmon registered with NM - instance number 2 (internal mem no 1)

2021-02-20T11:45:14.511978+08:00

PMON (ospid: ): terminating the instance due to ORA error 

2021-02-20T11:45:14.545360+08:00

System state dump requested by (instance=2, osid=88420 (PMON)), summary=[abnormal instance termination]. error - 'Instance is terminating.'

System State dumped to trace file /oracle/app/oracle/diag/rdbms/racdb/racdb2/trace/racdb2_diag_88450.trc

2021-02-20T11:45:14.568799+08:00

Cause - 'Instance is being terminated due to fatal process death (pid: 22, ospid: 88564, LMON)'

2021-02-20T11:45:26.851684+08:00

License high water mark = 1

2021-02-20T11:45:28.491267+08:00

Dumping diagnostic data in directory=[cdmp_20210220114514], requested by (instance=2, osid=88420 (PMON)), summary=[abnormal instance termination].

2021-02-20T11:45:30.181664+08:00

Instance terminated by PMON, pid = 88420

2021-02-20T11:45:31.276108+08:00

Warning: 2 processes are still attacheded to shmid 5:

 (size: 16384 bytes, creator pid: 87669, last attach/detach pid: 88626)

2021-02-20T11:45:32.234979+08:00

USER(prelim) (ospid: 89675): terminating the instance

2021-02-20T11:45:32.236231+08:00

Instance terminated by USER(prelim), pid = 89675

    但是,看到 ORA-27101告警,下意识的感觉是集群操作系统配置或者oracle用户的环境变量有问题。

2021-02-20 11:45:33.445 :CLSDYNAM:1644160768: [ora.racdb.db]{1:60322:3769} [check] ORA-01034: ORACLE not available

ORA-27101: shared memory realm does not exist

Linux-x86_64 Error: 2: No such file or directory

Additional information: 4376

Additional information: -907856465

Process ID: 0

Session ID: 0 Serial number: 0

    同事提供的两个节点的oracle用户环境变量,经检查没问题:

    排除掉环境变量配置问题后,那就可能是主机配置问题,同事提供了sysctl.conf配置内容:

    看到kernel.shmmax配置为4G左右,貌似看到问题根源,接下来询问同事虚机的内存配置,配置为6.3G:

    oracle 19c rac集群安装的最低配置要求


总结:ORACLE 19C RAC集群安装由于内存6.3G不足以满足grid和db内存的实例化要求,导致dbca建库报错

PRCR-1079&CRS-5017&ORA-03113。

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