mount 新建磁盘到指定目录
因为安装数据库,需要较大的磁盘容量,需要把一块新磁盘挂载到/opt上1 对磁盘做分区:root@rac1:/root>fdisk /dev/sdb The number of cylinders for this disk is set to 182024.There is nothing wrong w...
重建undo tablespace
CREATE UNDO TABLESPACE UNDOTBS1 DATAFILE '/data6/dmp2/undotbs01_01.dbf' SIZE 16384M AUTOEXTEND OFF, '/data6/dmp2/undotbs01_02.dbf' SIZE 16384M AUTOEXTEND OFFONLINERETENTION NOGUARANT...
note1 node2 報錯記錄 2011/10/8-9
Errors in file /oracle/app/oracle/admin/dmp2/udump/dmp22_ora_29828.trc:ORA-00600: internal error code, arguments: [KSLFUPG_PVT2], [0xC000000FFF9FF648], [1], [0xC000000FC2944998], [0xC000000FC77D30A8],...
node1 报错信息如下
Errors in file /oracle/app/oracle/admin/dmp2/udump/dmp21_ora_23493.trc:ORA-07445: exception encountered: core dump [evaopn2()+464] [SIGSEGV] [Address not mapped to object] [0xC00000000] [] []Sat Oct&n...
看执行计划是否正确
select * from table(dbms_xplan.display_cursor('260m6x8mtfpat')); |SQLID
oracle bug
opatch 6904068是針對oracle出現內存競爭導致CPU迅速飆升至100%。
ora報錯
ORA-00600: internal error code, arguments: [15860], [], [], [], [], [], [], []ORA-06575: Package or function ORA-06575: Package or function PL_MATERIAL_BY_VENDOR_SP is in an invalid stateORA-00600: ...
ORA-01034 :oracle not available ora-27101
新建立的數據庫,新配置listener.ora文件,然後客戶端連接數據庫,發現報如下錯:ORA -01034: ORACLE not availableORA-27101:shared memory realm does not exist :1。看內核參數設置和alert.log文件net.ipv4.ip...
external table
SQL>grant create any directory to scott;SQL>connec scott/tiger;SQL>create directory mydir as '/tmp/test';Put the data.txt in above directory.1,Tom,90,200904202,Jack,85,20090418SQL>create table score(s...
trace 文件产生过多,用户不能登陆
trace 文件产生过多,把/oracle/目录全部爆满了。用户登陆不上。Wed Sep 28 00:17:01 EDT 2011found dead dispatcher 'D000', pid = (17, 82)Wed Sep 28 00:17:01 EDT 2011dispatcher 'D000' encountered error gett...
要 kill session 例子,session多,報錯如下
Process J000 died, see its trace fileTue Sep 27 19:29:25 CST 2011kkjcre1p: unable to spawn jobq slave processTue Sep 27 19:29:25 CST 2011Errors in file /oracle/admin/hlsix/bdump/hlsix_cjq0_30221.trc:...
job 執行時間為每小時3次,分別在10分,30分,50分
begin SYS.DBMS_SCHEDULER.CREATE_JOB ( job_name => 'SYS.BOBCAT_SOFT_VERSION_STATICS_J' &n...
干的活儿
主要進行數據庫規劃設計、建置、維護、優化,機房管理: 1.負責數據庫及其服務器的建制和管理,包括數據庫架構、硬體設 備規劃,數據庫的備份和...
linux性能优化(转帖)
查看( 73 ) / 评论( 1 ) / 评分( 0 / 0 ) 性能分析工具CPU性能分析工具:vmstatpssartimestracepstreetopMemory性能分析工具:vmstatstracetopipcsipcrmcat /proc/meminfocat /proc/slabinfocat...
查询DB对象是否同步
SELECT object_name, object_type FROM dba_objects@trac1 WHERE wner = 'TRACDB2' AND status = 'VALID'MINUSSELECT object_name, object_type FROM dba_objects WHERE wner = 'TRACDB2' AND...
测试机器的硬体信息
查看CPU信息(型号) cat /proc/cpuinfo|grep name|cut -f2 -d:|uniq -c 4  ...
bond 双网卡(两网卡使用同一个地址)(Redhat5.5)
添加随机器启动bond网卡cat /etc/modprobe.confalias eth0 8139cpalias eth1 8139cpalias eth2 8139cpalias eth3 8139cpalias bond0 bondingalias bond1 bondingoptions bonding max_bonds=2 mode=balance-rr miimo...
跟踪 sql 的trace文件
exec dbms_monitor.session_trace_enable(session_id =>3007 , serial_num=> 1123, waits => true, binds => true);exec dbms_monitor.session_trace_enable(session_id =>5741 , serial_num=> 2, waits => true, b...
Symantec VCS配置Oracle双机
配置Oracle双机系统 闲话少说,现在开始介绍一下利用VCS来配置oracle双机的过程: a) 创建数据文件使用的共享存储(在system1上面执行下列5个命令): ...
linux下安装配置VCS,oracle双机
1、VCS安装前准备。 要查看veritas版本对操作系统版本等情况,是否符合安装条件。 #ssh-keygen -t dsa//生成DSA密钥#chmod 755 -t /root/.ssh把root/.ssh/id_dsa.pub文件为authorized_keys2把authorized_keys2拷...