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最近发表
- Oracle 19c/21c最新patch信息-202404
- PostgreSQL恢复系列:pg_filedump批量处理
- PostgreSQL部分主要字典信息
- PostgreSQL恢复系列:pg_filedump恢复字典构造
- PostgreSQL 16 源码安装
- ORA-00742 ORA-00312 恢复
- 数据库open成功后报ORA-00353 ORA-00354错误引起的一系列问题(本质ntfs文件系统异常)
- ORA-600 ktsiseginfo1故障
- ORA-00600: internal error code, arguments: [16703], [1403], [4] 原因
- 最近遇到几起ORA-600 16703故障(tab$被清空),请引起重视
- ORA-600 2662快速恢复之Patch scn工具
- TNS-12518: TNS:listener could not hand off client connection
- ora.storage无法启动报ORA-12514故障处理
- 断电引起文件scn异常数据库恢复
- ORA-16188: LOG_ARCHIVE_CONFIG settings inconsistent with previously started instance
- .[hudsonL@cock.li].mkp勒索加密数据库完美恢复
- 模拟带库实现rman远程备份
- 又一例:ORA-600 kclchkblk_4和2662故障
- Oracle误删除数据文件恢复
- Oracle 19C 备库DML重定向—DML Redirection
月归档:十二月 2012
How to Get the Contents of an Spfile on ASM when ASM/GRID is down
在11g中asm的spfile文件是存放在asm中的,如果asm不能正常启动是否可以获得其spfile信息.这里通过gpnptool来获得spfile文件信息,给大家提供了在11gr2的rac是怎么利用asm 中的spfile启动asm的思路
asm spfile信息
[grid@rac1 ~]$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.3.0 Production on Fri Dec 21 01:41:31 2012 Copyright (c) 1982, 2011, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - Production With the Real Application Clusters and Automatic Storage Management options SQL> create pfile='/tmp/pfile' from spfile; File created. SQL> !more /tmp/pfile +ASM1.__oracle_base='/u01/app/gridbase'#ORACLE_BASE set from in memory value +ASM2.asm_diskgroups='XIFENFEI'#Manual Mount +ASM1.asm_diskgroups='XIFENFEI'#Manual Mount *.asm_diskstring='/dev/oracleasm/disks/*' *.asm_power_limit=1 *.diagnostic_dest='/u01/app/gridbase' *.instance_type='asm' *.large_pool_size=12M *.remote_login_passwordfile='EXCLUSIVE'
关闭集群(asm已关闭)
[root@rac1 ~]# crsctl stop crs [root@rac1 ~]# ps -ef|grep pmon root 8768 6372 0 02:53 pts/1 00:00:00 grep pmon [root@rac1 ~]# crsctl stat res CRS-4535: Cannot communicate with Cluster Ready Services CRS-4000: Command Status failed, or completed with errors.
gpnptool命令获取asm disk信息
[root@rac1 ~]# gpnptool get -o- <?xml version="1.0" encoding="UTF-8"?> <gpnp:GPnP-Profile Version="1.0" xmlns="http://www.grid-pnp.org/2005/11/gpnp-profile" xmlns:gpnp="http://www.grid-pnp.org/2005/11/gpnp-profile" xmlns:orcl="http://www.oracle.com/gpnp/2005/11/gpnp-profile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.grid-pnp.org/2005/11/gpnp-profile gpnp-profile.xsd" ProfileSequence="4" ClusterUId="885339054e904f1dbfa646b41d7a0edb" ClusterName="rac-cluster" PALocation=""> <gpnp:Network-Profile> <gpnp:HostNetwork id="gen" HostName="*"> <gpnp:Network id="net1" IP="192.168.1.0" Adapter="eth0" Use="public"/> <gpnp:Network id="net2" IP="10.10.1.0" Adapter="eth1" Use="cluster_interconnect"/> </gpnp:HostNetwork> </gpnp:Network-Profile> <orcl:CSS-Profile id="css" DiscoveryString="+asm" LeaseDuration="400"/> --重点关注信息(asm disk 信息) <orcl:ASM-Profile id="asm" DiscoveryString="/dev/oracleasm/disks/*" SPFile="+DATA/rac-cluster/asmparameterfile/registry.253.776955291"/> <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> <ds:SignedInfo> <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/> <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> <ds:Reference URI=""> <ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/> <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"> <InclusiveNamespaces xmlns="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="gpnp orcl xsi"/> </ds:Transform></ds:Transforms><ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> <ds:DigestValue>T2Q3r+5sER2Rp0VfeqzYh461f2s=</ds:DigestValue> </ds:Reference> </ds:SignedInfo> <ds:SignatureValue> LwcQEtlsPGfywzdYJrOqiTp4cZNFGB/S9Ts8OCvYOGf/Z8HDT2yN5p2nCuxArUfW+KzaPzPHHihpRVaTcAY31nJ2Rcf2vMqYp4e++shliQXC8mg 1oGxQGifkjZwA4pTTEK5MBmr4FTZnR3VArZjjVfJdsmOMfyH4YeSMU5HPjdA= </ds:SignatureValue> </ds:Signature> </gpnp:GPnP-Profile> Success. Error CLSGPNP_NO_DAEMON getting profile.
获得asm spfile信息
通过kfed找磁盘中的kfdhdb.sp|ausize来获得asm spfile相关信息
[root@rac1 ~]# ls /dev/oracleasm/disks/ VOL1 VOL2 VOL3 VOL4 [root@rac1 ~]# kfed dev=/dev/oracleasm/disks/VOL1 op=READ | egrep "kfdhdb.sp|ausize" kfdhdb.ausize: 1048576 ; 0x0bc: 0x00100000 kfdhdb.spfile: 22 ; 0x0f4: 0x00000016 kfdhdb.spfflg: 1 ; 0x0f8: 0x00000001 [root@rac1 ~]# kfed dev=/dev/oracleasm/disks/VOL2 op=READ | egrep "kfdhdb.sp|ausize" kfdhdb.ausize: 1048576 ; 0x0bc: 0x00100000 kfdhdb.spfile: 0 ; 0x0f4: 0x00000000 kfdhdb.spfflg: 0 ; 0x0f8: 0x00000000 [root@rac1 ~]# kfed dev=/dev/oracleasm/disks/VOL3 op=READ | egrep "kfdhdb.sp|ausize" kfdhdb.ausize: 1048576 ; 0x0bc: 0x00100000 kfdhdb.spfile: 0 ; 0x0f4: 0x00000000 kfdhdb.spfflg: 0 ; 0x0f8: 0x00000000 [root@rac1 ~]# kfed dev=/dev/oracleasm/disks/VOL4 op=READ | egrep "kfdhdb.sp|ausize" kfdhdb.ausize: 1048576 ; 0x0bc: 0x00100000 kfdhdb.spfile: 0 ; 0x0f4: 0x00000000 kfdhdb.spfflg: 0 ; 0x0f8: 0x00000000
这里可以看出来asm spfile信息在磁盘VOL1中,spfile从第22个au开始,1个au(1M).
获得asm spfile 内容
[root@rac1 ~]# dd if=/dev/oracleasm/disks/VOL1 bs=1M skip=22 count=1 > /tmp/spfile 1+0 records in 1+0 records out 1048576 bytes (1.0 MB) copied, 1.47474 seconds, 711 kB/s [root@rac1 ~]# strings /tmp/spfile +ASM1.__oracle_base='/u01/app/gridbase'#ORACLE_BASE set from in memory value +ASM2.asm_diskgroups='XIFENFEI'#Manual Mount +ASM1.asm_diskgroups='XIFENFEI'#Manual Mount *.asm_diskstring='/dev/oracleasm/disks/*' *.asm_power_limit=1 *.diagnostic_dest='/u01/app/gridbase' *.instance_type='asm' *.large_pool_size=12M *.remote_login_passwordfile='EXCLUSIVE'
通过对比发现,在asm实例未正常启动的情况下,也可以通过其他方面来获得asm spfile文件.本实验只是对于spfile在asm中位置的定位(大家去猜测11gr2的rac是怎么利用asm 中的spfile启动asm的思路),实际生产环境中请勿模仿,gpnptool命令有较大风险
发表在 Oracle ASM
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ADR初级介绍
自动诊断存储库(Automatic Diagnostic Repository) 是oracle database 11g的一个新特性,它提供了一个中心化存储trace files, dumps, health monitor reports, alert logs等. 不同的产品和实例都有统一的目录结构, 把各自的诊断数据存储在自己的ADR_HOME里.从11gr1–>11gr2–>12cr1 adrci的功能逐渐增强,也确实需要关注下其最基本的功能,管理alert日志和trace文件.
adrci启动
[oracle@xifenfei ~]$ adrci ADRCI: Release 12.1.0.0.2 on Sun Dec 16 15:27:51 2012 Copyright (c) 1982, 2012, Oracle and/or its affiliates. All rights reserved. ADR base = "/u01/app/oracle"
adrci帮助
adrci> help HELP [topic] Available Topics: CREATE REPORT ECHO EXIT HELP HOST IPS PURGE RUN SET BASE SET BROWSER SET CONTROL SET ECHO SET EDITOR SET HOMES | HOME | HOMEPATH SET TERMOUT SHOW ALERT SHOW BASE SHOW CONTROL SHOW HM_RUN SHOW HOMES | HOME | HOMEPATH SHOW INCDIR SHOW INCIDENT SHOW LOG SHOW PROBLEM SHOW REPORT SHOW TRACEFILE SPOOL There are other commands intended to be used directly by Oracle, type "HELP EXTENDED" to see the list
adrci设置home
当adrci中含有了多个home目录的时候,需要手工设置home值才能够很好的运行该工具
adrci> show home ADR Homes: diag/tnslsnr/xifenfei/listener diag/tnslsnr/xifenfei/listener_a diag/clients/user_oracle/host_2460950761_80 diag/rdbms/yxhe_pitr_xifenfei/yxhE diag/rdbms/aief_pitr_xifenfei/aief diag/rdbms/xifenfei/xff diag/rdbms/xifenfei/xifenfei diag/rdbms/iwcn_pitr_xifenfei/iwcn diag/rdbms/abrn_pitr_xifenfei/aBrn diag/rdbms/efqn_pitr_xifenfei/efqn diag/rdbms/gwix_pitr_xifenfei/gwix adrci> show alert -tail 1 DIA-48449: Tail alert can only apply to single ADR home adrci> set home diag/rdbms/xifenfei/xff adrci> show home ADR Homes: diag/rdbms/xifenfei/xff
adrci help命令具体使用
adrci> help show alert Usage: SHOW ALERT [-p <predicate_string>] [-term] [ [-tail [num] [-f]] | [-file <alert_file_name>] ] Purpose: Show alert messages. Options: [-p <predicate_string>]: The predicate string must be double-quoted. The fields in the predicate are the fields: ORIGINATING_TIMESTAMP timestamp NORMALIZED_TIMESTAMP timestamp ORGANIZATION_ID text(65) COMPONENT_ID text(65) HOST_ID text(65) HOST_ADDRESS text(17) MESSAGE_TYPE number MESSAGE_LEVEL number MESSAGE_ID text(65) MESSAGE_GROUP text(65) CLIENT_ID text(65) MODULE_ID text(65) PROCESS_ID text(33) THREAD_ID text(65) USER_ID text(65) INSTANCE_ID text(65) DETAILED_LOCATION text(161) UPSTREAM_COMP_ID text(101) DOWNSTREAM_COMP_ID text(101) EXECUTION_CONTEXT_ID text(101) EXECUTION_CONTEXT_SEQUENCE number ERROR_INSTANCE_ID number ERROR_INSTANCE_SEQUENCE number MESSAGE_TEXT text(2049) MESSAGE_ARGUMENTS text(129) SUPPLEMENTAL_ATTRIBUTES text(129) SUPPLEMENTAL_DETAILS text(4000) PROBLEM_KEY text(65) [-tail [num] [-f]]: Output last part of the alert messages and output latest messages as the alert log grows. If num is not specified, the last 10 messages are displayed. If "-f" is specified, new data will append at the end as new alert messages are generated. [-term]: Direct results to terminal. If this option is not specified, the results will be open in an editor. By default, it will open in emacs, but "set editor" can be used to set other editors. [-file <alert_file_name>]: Allow users to specify an alert file which may not be in ADR. <alert_file_name> must be specified with full path. Note that this option cannot be used with the -tail option Examples: show alert show alert -p "message_text like '%incident%'" show alert -tail 20
adrci查看alert日志
1.使用alert命令为例子
2.这里的tail n并非传统的tail 命令指定的行数结果
--显示tail 1日志 adrci> show alert -tail 1 2012-12-15 23:41:35.571000 +08:00 System state dump requested by (instance=1, osid=3633 (PSP0)), summary=[abnormal instance termination]. 2012-12-15 23:41:40.454000 +08:00 Instance terminated by PSP0, pid = 3633 --显示含PSP0行日志 adrci> show alert -p "message_text like '%PSP0%'" ADR Home = /u01/app/oracle/diag/rdbms/xifenfei/xff: ************************************************************************* Output the results to file: /tmp/alert_26813_1400_xff_1.ado 2012-12-06 22:47:43.072000 +08:00 Starting background process PSP0 PSP0 started with pid=3, OS id=23605 2012-12-06 23:29:19.362000 +08:00 Starting background process PSP0 PSP0 started with pid=3, OS id=25006 2012-12-08 20:38:43.602000 +08:00 Starting background process PSP0 PSP0 started with pid=3, OS id=3942 2012-12-12 21:24:19.874000 +08:00 Starting background process PSP0 PSP0 started with pid=3, OS id=3673 2012-12-12 21:34:19.647000 +08:00 Starting background process PSP0 PSP0 started with pid=3, OS id=4254 2012-12-15 23:41:35.571000 +08:00 System state dump requested by (instance=1, osid=3633 (PSP0)), summary=[abnormal instance termination]. 2012-12-15 23:41:40.454000 +08:00 Instance terminated by PSP0, pid = 3633 --含PSP0 tail 1行记录 adrci> show alert -p "message_text like '%PSP0%'" -tail 1 2012-12-15 23:41:35.571000 +08:00 System state dump requested by (instance=1, osid=3633 (PSP0)), summary=[abnormal instance termination]. 2012-12-15 23:41:40.454000 +08:00 Instance terminated by PSP0, pid = 3633
补充其他常用命令
--清理60分钟前alert purge -age 60 -type ALERT --清理120分钟钱trace文件 purge -age 120 -type TRACE --监控alert日志 SHOW ALERT -tail 1 -f --查看trace文件 SHOW TRACEFILE -tr/t --查看特定进程trace文件并排序 show tracefile %log% -tr --查看特定spid进程 show tracefile %27476%
补充说明:对于adr的进一步使用,可以通过使用help命令来逐步查询并且尝试操作,adrci中的help是非常强大工具.
发表在 Oracle
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ORACLE 12C可以通过expdp导出view数据
有时候,多么的希望ORACLE能够导出某个视图中的数据,然后通过这个视图来迁移需要的数据,现在ORACLE 12C通过expdp的views_as_tables来实现了该功能,把视图当作一个普通表从而导出数据,导入的时候直接和一个正常表一样,通过视图的导出,表的导入来实现相关需求
准备测试环境
SQL> SELECT * FROM V$VERSION; BANNER CON_ID -------------------------------------------------------------------------------- ---------- Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit 0 PL/SQL Release 12.1.0.0.2 0 CORE 12.1.0.0.2 0 TNS for Linux: Version 12.1.0.0.2 0 NLSRTL Version 12.1.0.0.2 SQL> create table t_lx as select * from v$log; Table created. SQL> create table t_xl as select * from v$logfile; Table created. SQL> create view v_xifenfei as 2 SELECT thread#, 3 a.sequence#, 4 a.group#, 5 TO_CHAR (first_change#, '9999999999999999') "SCN", 6 a.status, 7 MEMBER 8 FROM t_lx a, t_xl b 9 WHERE a.group# = B.GROUP# 10 ORDER BY a.sequence# DESC; View created. SQL> col member for a50 SQL> set lines 134 SQL> select * from v_xifenfei; THREAD# SEQUENCE# GROUP# SCN STATUS MEMBER ---------- ---------- ---------- ----------------- ---------------- ------------------------------------------- 1 30 3 391892 CURRENT /u01/app/oracle/oradata/xifenfei/redo03.log 1 29 2 377363 INACTIVE /u01/app/oracle/oradata/xifenfei/redo02.log 1 28 1 374892 INACTIVE /u01/app/oracle/oradata/xifenfei/redo01.log
expdp结合VIEWS_AS_TABLES导出视图
[oracle@xifenfei ~]$ expdp xff/xifenfei views_as_tables=v_xifenfei directory=data_pump_dir dumpfile=xifenfei.dmp Export: Release 12.1.0.0.2 on Sun Dec 16 07:56:48 2012 Copyright (c) 1982, 2012, Oracle and/or its affiliates. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit With the Partitioning, OLAP, Data Mining and Real Application Testing options Starting "XFF"."SYS_EXPORT_TABLE_01":xff/******** views_as_tables=v_xifenfei directory=data_pump_dir dumpfile=xifenfei.dmp Estimate in progress using BLOCKS method... Processing object type TABLE_EXPORT/VIEWS_AS_TABLES/TABLE_DATA Total estimation using BLOCKS method: 16 KB Processing object type TABLE_EXPORT/VIEWS_AS_TABLES/TABLE . . exported "XFF"."V_XIFENFEI" 7.390 KB 3 rows Master table "XFF"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded ****************************************************************************** Dump file set for XFF.SYS_EXPORT_TABLE_01 is: /u01/app/oracle/admin/xifenfei/dpdump/xifenfei.dmp Job "XFF"."SYS_EXPORT_TABLE_01" successfully completed at Sun Dec 16 07:58:17 2012 elapsed 0 00:00:56
impdp导入数据
[oracle@xifenfei ~]$ impdp xff/xifenfei remap_table=v_xifenfei:v_xff directory=data_pump_dir dumpfile=xifenfei.dmp Import: Release 12.1.0.0.2 on Sun Dec 16 08:06:06 2012 Copyright (c) 1982, 2012, Oracle and/or its affiliates. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.1.0.0.2 - 64bit With the Partitioning, OLAP, Data Mining and Real Application Testing options Master table "XFF"."SYS_IMPORT_FULL_01" successfully loaded/unloaded Starting "XFF"."SYS_IMPORT_FULL_01":xff/******** remap_table=v_xifenfei:v_xff directory=data_pump_dir dumpfile=xifenfei.dmp Processing object type TABLE_EXPORT/VIEWS_AS_TABLES/TABLE Processing object type TABLE_EXPORT/VIEWS_AS_TABLES/TABLE_DATA . . imported "XFF"."V_XFF" 7.390 KB 3 rows Job "XFF"."SYS_IMPORT_FULL_01" successfully completed at Sun Dec 16 08:06:20 2012 elapsed 0 00:00:10
验证数据
SQL> COL OBJECT_NAME FOR A20 SQL> select object_type,object_name from user_objectS where object_name like 'V_X%'; OBJECT_TYPE OBJECT_NAME ----------------------- -------------------- VIEW V_XIFENFEI TABLE V_XFF SQL> col member for a50 SQL> set lines 134 SQL> select * from v_XFF; THREAD# SEQUENCE# GROUP# SCN STATUS MEMBER ---------- ---------- ---------- ----------------- ---------------- -------------------------------------------- 1 30 3 391892 CURRENT /u01/app/oracle/oradata/xifenfei/redo03.log 1 29 2 377363 INACTIVE /u01/app/oracle/oradata/xifenfei/redo02.log 1 28 1 374892 INACTIVE /u01/app/oracle/oradata/xifenfei/redo01.log
通过测试证明在12C中ORACLE的expdp/impdp可以实现导出视图数据,进入导入到[其他库]其他表中