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Last night ,The Developers ask me they have creating an index do not use parallel,Unacceptably slow. then kill the session to cancel, but now to face ORA-08104 during trying to online index rebuild . that is a busy product database(7×24). DB version 10205 2nodes rac on hpux.
ORA-07445: exception encountered: core dump [skgxpdmpmem()+22096] [SIGSEGV] [Address not mapped to object] [0x0002D0B8C] [] []
Sun Dec 21 20:55:43 EAT 2014
Trace dumping is performing id=[cdmp_20141221205543]
Sun Dec 21 20:55:45 EAT 2014
Errors in file /opt/oracle/app/admin/anbob/bdump/anbob1_pmon_13442.trc:
ORA-00484: LMS* process terminated with error
刚接手一套数据库，数据库执行SQL时提示 ORA-00600: internal error code, arguments: [6704], [2], [1405099], [953234], [], [], [], [], [], [], [], []]，下面简单记录一下。
最近遇到了两起数据库连接数不足的问题， 通常都会预留一些会话增加的情况， 但在一些特殊情况下如连接风暴(logon storm)， 如果在监听中没有做rate限流，对数据库来说
巨大的冲击可能会导致数据库Hang 或 ora-20 或ora-18 错误。
XX电信就是一个急性子，上午决定升级晚上就要实施，下面记录一下HPUX IA64 10.2.0.4.0 PSU 到10.2.0.4.12时遇到的一些小问题, 那些非常归安装的人确实让人讨厌。 10.2.0.4..0 到 10.2.0.4.12 中间要先到10.2.0.4.4。 # 检查数据库的无效对象和组件状态，排除是因升级造成的 select comp_name,version,status,schema from dba_registry; select owner,object_type ,count(*) from dba_objects where status<>’VALID’ group by owner,object_type; # 检查当前版本 [oracle@hbodsdbb:/ora10g/app/oracle/product/db10g/OPatch]#opatch lsinventory # backup ORACLE software [oracle@hbodsdba:/bonc]#tar cvf oracle10204.tar -C /ora10g/app/oracle/product . #stop listener lsnrctl stop #stop session [oracle@hbodsdba:/ora10g]#ps -ef|grep NO|grep -v grep |awk ‘{print $2}’|xargs kill … Read more
I have a ORACLE db server on hp-ux, i want to execute a sql script file in sqlplus using “@” , get some error. but I use “start” sql file in sqlplus ,it work fine for me. now I have been resolved this error, just shared here. SQL> @uptime SP2-0042: unknown command “uptime” – … Read more
ORA-31617: unable to open dump file “/dsg/datapump/ocs02.dmp” for write
ORA-19505: failed to identify file “/dsg/datapump/ocs02.dmp”
ORA-27037: unable to obtain file status
IBM AIX RISC System/6000 Error: 2: No such file or directory
Errors in file /opt/oracle/app/admin/anbob/udump/anbob1_ora_10082.trc:
ORA-00600: 内部错误代码, 参数: [opiodr: call 2], [], [], [], [], [], [], []
ORA-00600: 内部错误代码, 参数: [18194], [0xC0000002EE1E77E8], [0x000000000], [], [], [], [], []
ORA-00600: 内部错误代码, 参数: [1265], [0xC0000002FF7EF3D8], [], [], [], [], [], []
a few days ago,My CRM DB face to a performance issue. DB is very slow. then I check DB wait event of active session ,Most sessions is waiting “DFS lock handel” , ‘DFS lock handle’ can cause massive performance issues in a busy RAC cluster. my db is 10R2 2NODE RAC ON AIX.
昨天一套开发库在开发人员修改了db_cache_size后instance crash了， 10.2.0.1 single instance on RHEL linux,是因为触发了一个bug, ORA-00600: internal error code, arguments: [kmgs_pre_process_request_6], [6], [895], [0], [3], [0x459C1F3D8]
今天一套 2节点的11.2.0.3 RAC 数据库计划在0点的维护窗口做一些参数优化，其中包括禁用DRM ，所以在下午提前修改了参数scope=spfile等晚上重启时生效，计划赶不上变化，就在大伙等待0点到来时，突然节点2主机重启，随后节点1跟随instance reboot(主机未重启),在Node1 DB alert.log 发现了ora-600 [kjdrisRMnovalid:msgRMno].
Mon Dec 22 09:43:39 EAT 2014
Errors in file /opt/oracle/app/admin/anbob/udump/anbob1_ora_8183.trc:
ORA-07445: exception encountered: core dump [smboCkaGetPivot()+240] [SIGSEGV] [Invalid permissions for mapped object] [0x000000110] [] []
上周刚刚做了ASM Storage的一套13T 2 Nodes 11GR2 database RAC ON AIX 从老的SAN迁移到新的SAN , 迁移的磁盘组包含了DATAFILE 和所有Clusterware 的文件(OCR andvoting disk)， ORACLE ASM 的Rebalance特性使这件事情变的非常的容易，随着ASM的逐渐成熟，如果你计划做对已使用了ASM disggroup 做存储的迁移，ASM 的Rebalance 可以做为一套解决方案而且可以做到0 Downtime， 下面简单的分享这个过程。 迁移步骤 1.备份整个数据库和GI文件，并验证备份文件有效性 GI. # ocrcheck # crsctl query css votedisk DB. spfile,controlfile,datafile,logfile,tempfile,archivelog.. select d.name group_name,f.type,count(*) cnt from v$asm_file f join v$asm_diskgroup d on f.group_number=d.group_number group by rollup (d.name,f.type); A 迁移GI … Read more
今天有套rac 的一个节点主机重启，CRS没有启动， 10.2.0.5 2nodes rac on aix. 手动启动CRS依旧没有拽起来，下面整理一下错误过程… DUPLICATE IP ADDRESS DETECTED IN THE NET
A product database is 10205 2nodes rac ,our OS is HP-UNIX 11.31,There was a time unable establish new connections, then I check alert log found ORA-27544,ORA-27300,ORA-27301,ORA-27302,”HPUX-ia64 Error: 23: File table overflow” error. The problem seems to be OS related. #alert log Sun Nov 30 15:47:16 EAT 2014 Global Enqueue Services Deadlock detected. More info in … Read more
Yesterday I received a warning and a production db instance found many TX lock and wait event “transaction”, I check the TX lock model is 6, so we can make sure is caused by multiple sessions update the same data, and wait event “transaction” is relatively rare, Here the record about my diagnosis method.
My case is 2 nodes 10.2.0.5 RAC on aix,The previous we do move all objects on a tablespace to new tablespace For reasons of space Fragment, and alter the original tablespace offline. But ORA-01135 ORA-01110 error in the alert.log file I keep seeing the message every 10 minutes
1, Login in remote instance using sqlplus as sys when the target db instance password file not exists or file name is wrong.
2, If you try to execute DBMS_SESSION.SET_CONTEXT
有一些表数据发生了很大变化，但是统计信息从初次导入后从没有自动收集过统计信息，导致现在的有些执行计划不成确， 手动收集是可以成功的，如何开启自动收集？ oracle 11.2.0.4 RAC ON AIX
昨晚有个朋友说加班在IMPDP数据, 在导入中途突然没有了进展,挂在那里不动了,impdp 窗口也没有报错, 一直等了1个多小时,说是impdp使用了parallel,怀疑是parallel参数出了问题, 最终其实原因很简单。这里只是简单的描述遇到这类问题时的处理思路。
