Uploaded Files stored in Oracle 10G database or in Unix File system
Hey All,
I am trying to understand best practices on storing uploaded files. Should you store within the database itself (this is the current method we are using by leveraging BLOB storage) or use a BFILE locator to use the files system storage (we have our DB's on UNIX) . . .or is there another method I should be entertaining? I have read arguments on both sides of this question. I wanted to see what answers forum readers could provide!! I understand there are quite a few factors but the situation I am in is as follows:
1) Storing text and pdf documents.
2) File sizes range from a few Kb to up to 15MB in size
3) uploaded files can be deleted and updated / replaced quite frequently
Right now we have an Oracle stored procedure that is uploading the files binary data into a BLOB column on our table. We have no real "performance" problems with this method but are entertaining the idea of using the UNIX file system for storage instead of the database.
Thanks for the insight!!
Anthony Roeder
Anthony,
First word you must learn here in this forum is RESPECT.
If you require any further explanation, just say so.
BLOB compared with BFILE
Security:
BFILEs are inherently insecure, as insecure as your operating system (OS).
Features:
BFILEs are not writable from typical database APIs whereas BLOBs are.
One of the most important features is that BLOBs can participate in transactions and are recoverable. Not so for BFILEs.
Performance:
Roughly the same.
Upping the size of your buffer cache can make a BIG improvement in BLOB performance.
BLOBs can be configured to exist in Oracle's cache which should make repeated/multiple reads faster.
Piece wise/non-sequential access of a BLOB is known to be faster than a that of a BFILE.
Manageability:
Only the BFILE locator is stored in an Oracle BACKUP. One needs to do a separate backup to save the OS file that the BFILE locator points to. The BLOB data is backed up along with the rest of the database data.
Storage:
The amount of table space required to store file data in a BLOB will be larger than that of the file itself due to LOB index which is the reason for better BLOB performance for piece wise random access of the BLOB value.
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Copyright (c) 1982, 2004, Oracle. All rights reserved.
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xmlelement("Employee",
xmlattributes(e.empno as "id")
, xmlforest(
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, e.job as "Job"
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from scott.dept d
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<Department id="10" name="ACCOUNTING">
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<Employee id="7782">
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<Job>MANAGER</Job>
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<Employee id="7839">
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<Employee id="7934">
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<Job>CLERK</Job>
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<Department id="20" name="RESEARCH">
<Employees>
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<Job>CLERK</Job>
<ManagerId>7902</ManagerId>
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<Employee id="7566">
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<Job>MANAGER</Job>
<ManagerId>7839</ManagerId>
</Employee>
<Employee id="7902">
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<Job>ANALYST</Job>
<ManagerId>7566</ManagerId>
</Employee>
</Employees>
</Department>
<Department id="30" name="SALES">
<Employees>
<Employee id="7499">
<Name>ALLEN</Name>
<Job>SALESMAN</Job>
<ManagerId>7698</ManagerId>
</Employee>
<Employee id="7521">
<Name>WARD</Name>
<Job>SALESMAN</Job>
<ManagerId>7698</ManagerId>
</Employee>
<Employee id="7654">
<Name>MARTIN</Name>
<Job>SALESMAN</Job>
<ManagerId>7698</ManagerId>
</Employee>
<Employee id="7698">
<Name>BLAKE</Name>
<Job>MANAGER</Job>
<ManagerId>7839</ManagerId>
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<Employee id="7844">
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<ManagerId>7698</ManagerId>
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Hello,
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o OracleOraDb10g_home1SNMPPeerMasterAgent [manual]
o OracleOraDb10g_home1TNSListener [started]
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# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
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(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = asparuh)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = d:\oracle10gServer)
(PROGRAM = extproc)
(SID_DESC =
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(ORACLE_HOME = d:\oracle10gServer)
(SID_NAME = ORCL)
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# Generated by Oracle configuration tools.
ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = asparuh)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = ORCL)
INST1_HTTP =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = asparuh)(PORT = 1521))
(CONNECT_DATA =
(SERVER = SHARED)
(SERVICE_NAME = MODOSE)
(PRESENTATION = http://HRService)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(CONNECT_DATA =
(SID = PLSExtProc)
(PRESENTATION = RO)
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c:> sqlplus scott/tiger@ORCL
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ERROR: ORA-28000: the account is locked
I did this right after I restarted my computer.
When I use the Enterprise Manager at:
http://localhost:5500/em/
I get for ORCL:
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Status Pending Since: Unavailable
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oracle DEVS $ sqlplus sys@sid sysdba
SQL*Plus: Release 10.1.0.4.0 - Production on Thu Jan 7 10:51:44 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Enter password:
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no rows selected
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grant sysdba to sys
ERROR at line 1:
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'/u02/app/oracle/product/10.1.0/dbs/orapw'
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my points of interest are here
FileNotFoundException: /opt/db/oracle/product/10.2.0/oc4j/j2ee/OC4J_DBConsole/config/http-web-site.xml (No such file or directory)
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Error
=========
emca -config dbcontrol db -repos create
STARTED EMCA at Apr 8, 2008 4:33:25 PM
EM Configuration Assistant, Version 10.2.0.1.0 Production
Copyright (c) 2003, 2005, Oracle. All rights reserved.
Enter the following information:
Database SID: XXX
Listener port number: 1521
Password for SYS user:
Password for DBSNMP user:
Password for SYSMAN user:
Email address for notifications (optional):
Outgoing Mail (SMTP) server for notifications (optional):
You have specified the following settings
Database ORACLE_HOME ................ /opt/db/oracle/product/10.2.0
Database hostname ................ xxx.xxxx.local
Listener port number ................ 1521
Database SID ................ XXX
Email address for notifications ...............
Outgoing Mail (SMTP) server for notifications ...............
Do you wish to continue? [yes(Y)/no(N)]: yes
Apr 8, 2008 4:34:55 PM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /opt/db/oracle/product/10.2.0/cfgtoollogs/emca/SDM/emca_2008-04-08_04-33-25-PM.log.
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while) ...
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig updateReposVars
SEVERE: File/directory /opt/db/oracle/product/10.2.0/sysman/emdrep/config/repository.variables does not existApr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig invoke
SEVERE: Failed to unlock all EM-related accounts
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMConfig perform
SEVERE: Failed to unlock all EM-related accounts
Refer to the log file at /opt/db/oracle/product/10.2.0/cfgtoollogs/emca/SDM/emca_2008-04-08_04-33-25-PM.log for more details.
Could not complete the configuration. Refer to the log file at /opt/db/oracle/product/10.2.0/cfgtoollogs/emca/SDM/emca_2008-04-08_04-33-25-PM.log for more details.
the following is log generated (emca_2008-04-08_04-33-25-PM.log)
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ribute port
java.io.FileNotFoundException: /opt/db/oracle/product/10.2.0/oc4j/j2ee/OC4J_DBConsole/config/jms.xml (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at java.io.FileReader.<init>(FileReader.java:41)
at oracle.sysman.emcp.util.PortManager.findUsedPortsFromXML(PortManager.java:282)
at oracle.sysman.emcp.util.PortManager.markAllUsedPorts(PortManager.java:1172)
at oracle.sysman.emcp.util.PortManager.getFreePorts(PortManager.java:543)
at oracle.sysman.emcp.EMDBPreConfig.getFreePorts(EMDBPreConfig.java:2324)
at oracle.sysman.emcp.EMDBPreConfig.checkPorts(EMDBPreConfig.java:2261)
at oracle.sysman.emcp.EMDBPreConfig.performConfiguration(EMDBPreConfig.java:670)
at oracle.sysman.emcp.EMDBPreConfig.invoke(EMDBPreConfig.java:233)
at oracle.sysman.emcp.EMDBPreConfig.invoke(EMDBPreConfig.java:160)
at oracle.sysman.emcp.EMConfig.perform(EMConfig.java:141)
at oracle.sysman.emcp.EMConfigAssistant.invokeEMCA(EMConfigAssistant.java:479)
at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1123)
at oracle.sysman.emcp.EMConfigAssistant.statusMain(EMConfigAssistant.java:463)
at oracle.sysman.emcp.EMConfigAssistant.main(EMConfigAssistant.java:412)
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CONFIG: Marking JMS port: null from /opt/db/oracle/product/10.2.0/oc4j/j2ee/OC4J_DBConsole
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.PortManager findUsedPortsFromXML
CONFIG: Could not find or correctly parse file /opt/db/oracle/product/10.2.0/oc4j/j2ee/OC4J_DBConsole/config/rmi.xml in searching for tag rmi-server with att
ribute port
java.io.FileNotFoundException: /opt/db/oracle/product/10.2.0/oc4j/j2ee/OC4J_DBConsole/config/rmi.xml (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at java.io.FileReader.<init>(FileReader.java:41)
at oracle.sysman.emcp.util.PortManager.findUsedPortsFromXML(PortManager.java:282)
at oracle.sysman.emcp.util.PortManager.markAllUsedPorts(PortManager.java:1176)
at oracle.sysman.emcp.util.PortManager.getFreePorts(PortManager.java:543)
at oracle.sysman.emcp.EMDBPreConfig.getFreePorts(EMDBPreConfig.java:2324)
at oracle.sysman.emcp.EMDBPreConfig.checkPorts(EMDBPreConfig.java:2261)
at oracle.sysman.emcp.EMDBPreConfig.performConfiguration(EMDBPreConfig.java:670)
at oracle.sysman.emcp.EMDBPreConfig.invoke(EMDBPreConfig.java:233)
at oracle.sysman.emcp.EMDBPreConfig.invoke(EMDBPreConfig.java:160)
at oracle.sysman.emcp.EMConfig.perform(EMConfig.java:141)
at oracle.sysman.emcp.EMConfigAssistant.invokeEMCA(EMConfigAssistant.java:479)
at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1123)
at oracle.sysman.emcp.EMConfigAssistant.statusMain(EMConfigAssistant.java:463)
at oracle.sysman.emcp.EMConfigAssistant.main(EMConfigAssistant.java:412)
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.PortManager markAllUsedPorts
CONFIG: Marking RMI port: null from /opt/db/oracle/product/10.2.0/oc4j/j2ee/OC4J_DBConsole
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.PortManager findUsedPortsFromXML
CONFIG: Could not find or correctly parse file /opt/db/oracle/product/10.2.0/oc4j/j2ee/OC4J_DBConsole/config/http-web-site.xml in searching for tag web-site
with attribute port
java.io.FileNotFoundException: /opt/db/oracle/product/10.2.0/oc4j/j2ee/OC4J_DBConsole/config/http-web-site.xml (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at java.io.FileReader.<init>(FileReader.java:41)
at oracle.sysman.emcp.util.PortManager.findUsedPortsFromXML(PortManager.java:282)
at oracle.sysman.emcp.util.PortManager.markAllUsedPorts(PortManager.java:1180)
at oracle.sysman.emcp.util.PortManager.getFreePorts(PortManager.java:543)
at oracle.sysman.emcp.EMDBPreConfig.getFreePorts(EMDBPreConfig.java:2324)
at oracle.sysman.emcp.EMDBPreConfig.checkPorts(EMDBPreConfig.java:2261)
at oracle.sysman.emcp.EMDBPreConfig.performConfiguration(EMDBPreConfig.java:670)
at oracle.sysman.emcp.EMDBPreConfig.invoke(EMDBPreConfig.java:233)
at oracle.sysman.emcp.EMDBPreConfig.invoke(EMDBPreConfig.java:160)
at oracle.sysman.emcp.EMConfig.perform(EMConfig.java:141)
at oracle.sysman.emcp.EMConfigAssistant.invokeEMCA(EMConfigAssistant.java:479)
at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1123)
at oracle.sysman.emcp.EMConfigAssistant.statusMain(EMConfigAssistant.java:463)
at oracle.sysman.emcp.EMConfigAssistant.main(EMConfigAssistant.java:412)
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.PortManager markAllUsedPorts
CONFIG: Marking HTTP port: null from /opt/db/oracle/product/10.2.0/oc4j/j2ee/OC4J_DBConsole
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.FileUtil getProperties
CONFIG: Error reading file /opt/db/oracle/product/10.2.0/sysman/config/emd.properties
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.PortManager getAgentPort
CONFIG: Cannot parse EMD_URL correctly. No port identified
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.PortManager markAllUsedPorts
CONFIG: Marking Agent port: null from /opt/db/oracle/product/10.2.0/sysman/config/emd.properties
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.PortManager markAllUsedPorts
CONFIG: Cannnot parse EMD_URL correctly. No port identified
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.FileUtil getProperties
CONFIG: Error reading file /opt/db/oracle/product/10.2.0/install/staticports.ini
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.PortManager getFreePorts
CONFIG: /opt/db/oracle/product/10.2.0:mcidm11.pacs11.local:null:SDM:{}:null:{DBCONTROL_HTTP_PORT=1158, RMI_PORT=5520, JMS_PORT=5540, AGENT_PORT=3938}
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.ParamsManager getParam
CONFIG: No value was set for the parameter AGENT_PORT_SDM.
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.ParamsManager setParam
CONFIG: Setting param: AGENT_PORT_SDM value: 3938
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.ParamsManager getParam
CONFIG: No value was set for the parameter DBCONTROL_HTTP_PORT_SDM.
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.ParamsManager setParam
CONFIG: Setting param: DBCONTROL_HTTP_PORT_SDM value: 1158
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.ParamsManager getParam
CONFIG: No value was set for the parameter JMS_PORT_SDM.
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.ParamsManager setParam
CONFIG: Setting param: JMS_PORT_SDM value: 5540
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.ParamsManager getParam
CONFIG: No value was set for the parameter RMI_PORT_SDM.
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.ParamsManager setParam
CONFIG: Setting param: RMI_PORT_SDM value: 5520
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMDBPreConfig getFreePorts
CONFIG: Ports assigned for SID: SDM : {DBCONTROL_HTTP_PORT=1158, RMI_PORT=5520, JMS_PORT=5540, AGENT_PORT=3938}
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.GeneralUtil initSQLEngine
CONFIG: SQLEngine connecting with SID: SDM, oracleHome: /opt/db/oracle/product/10.2.0, and user: SYS
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.GeneralUtil initSQLEngine
CONFIG: SQLEngine created successfully and connected
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig createRepository
CONFIG: Spooling to /opt/db/oracle/product/10.2.0/cfgtoollogs/emca/SDM/emca_repos_create_2008-04-08_04-34-58-PM.log
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while) ...
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.GeneralUtil initSQLEngine
CONFIG: SQLEngine connecting with SID: SDM, oracleHome: /opt/db/oracle/product/10.2.0, and user: SYS
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.GeneralUtil initSQLEngine
CONFIG: SQLEngine created successfully and connected
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig grantPrivsToDbsnmp
CONFIG: Exception while granting priviliges.
oracle.sysman.assistants.util.sqlEngine.SQLFatalErrorException: ORA-00942: table or view does not exist
at oracle.sysman.assistants.util.sqlEngine.SQLEngine.executeImpl(SQLEngine.java:1467)
at oracle.sysman.assistants.util.sqlEngine.SQLEngine.executeSql(SQLEngine.java:1708)
at oracle.sysman.emcp.EMReposConfig.grantPrivsToDbsnmp(EMReposConfig.java:503)
at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:208)
at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:124)
at oracle.sysman.emcp.EMConfig.perform(EMConfig.java:142)
at oracle.sysman.emcp.EMConfigAssistant.invokeEMCA(EMConfigAssistant.java:479)
at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1123)
at oracle.sysman.emcp.EMConfigAssistant.statusMain(EMConfigAssistant.java:463)
at oracle.sysman.emcp.EMConfigAssistant.main(EMConfigAssistant.java:412)
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig invoke
CONFIG: Failed to grant priviliges to dbsnmp.
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig updateReposVars
SEVERE: File/directory /opt/db/oracle/product/10.2.0/sysman/emdrep/config/repository.variables does not existApr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.GeneralUtil initSQLEngine
CONFIG: SQLEngine connecting with SID: SDM, oracleHome: /opt/db/oracle/product/10.2.0, and user: SYS
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.util.GeneralUtil initSQLEngine
CONFIG: SQLEngine created successfully and connected
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig unlockAccounts
CONFIG: Unlocking dbsnmp and sysman
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig unlockAccounts
CONFIG: ORA-06550: line 1, column 62:
PLS-00201: identifier 'SYSMAN.MGMT_VIEW_PRIV' must be declared
ORA-06550: line 1, column 62:
PL/SQL: Statement ignored
oracle.sysman.assistants.util.sqlEngine.SQLFatalErrorException: ORA-06550: line 1, column 62:
PLS-00201: identifier 'SYSMAN.MGMT_VIEW_PRIV' must be declared
ORA-06550: line 1, column 62:
PL/SQL: Statement ignored
at oracle.sysman.assistants.util.sqlEngine.SQLEngine.executeImpl(SQLEngine.java:1467)
at oracle.sysman.assistants.util.sqlEngine.SQLEngine.executeSql(SQLEngine.java:1708)
at oracle.sysman.emcp.EMReposConfig.unlockAccounts(EMReposConfig.java:566)
at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:235)
at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:124)
at oracle.sysman.emcp.EMConfig.perform(EMConfig.java:142)
at oracle.sysman.emcp.EMConfigAssistant.invokeEMCA(EMConfigAssistant.java:479)
at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1123)
at oracle.sysman.emcp.EMConfigAssistant.statusMain(EMConfigAssistant.java:463)
at oracle.sysman.emcp.EMConfigAssistant.main(EMConfigAssistant.java:412)
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMReposConfig invoke
SEVERE: Failed to unlock all EM-related accounts
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMConfig perform
SEVERE: Failed to unlock all EM-related accounts
Refer to the log file at /opt/db/oracle/product/10.2.0/cfgtoollogs/emca/SDM/emca_2008-04-08_04-33-25-PM.log for more details.
Apr 8, 2008 4:34:58 PM oracle.sysman.emcp.EMConfig perform
CONFIG: Stack Trace:
oracle.sysman.emcp.exception.EMConfigException: Failed to unlock all EM-related accounts
at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:239)
at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:124)
at oracle.sysman.emcp.EMConfig.perform(EMConfig.java:142)
at oracle.sysman.emcp.EMConfigAssistant.invokeEMCA(EMConfigAssistant.java:479)
at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1123)
at oracle.sysman.emcp.EMConfigAssistant.statusMain(EMConfigAssistant.java:463)
at oracle.sysman.emcp.EMConfigAssistant.main(EMConfigAssistant.java:412)Hi all,
i started creating database control repository, when i saw emca running i had seen repository created successfully , but sysman user is not created at this point of time. Then i looked into emca_repos_create_2008-04-10_11-57-03-AM.log file but the file is unable to open because it's looking for file emreposcre.sql which creates sysman user in this location /opt/db/oracle/product/10.2.0/sysman/admin/emdrep/sql/
i feel while installing the database these files are not created....? or i need to run any scripts before running emca ....?
give me some inputs to this thread.
Thanks,
nil
STARTED EMCA at Apr 10, 2008 11:55:41 AM
EM Configuration Assistant, Version 10.2.0.1.0 Production
Copyright (c) 2003, 2005, Oracle. All rights reserved.
Enter the following information:
Database SID: XXXXX
Listener port number: 1521
Password for SYS user:
Password for SYSMAN user:
Do you wish to continue? [yes(Y)/no(N)]: yes
Apr 10, 2008 11:57:02 AM oracle.sysman.emcp.EMConfig perform
INFO: This operation is being logged at /opt/db/oracle/product/10.2.0/cfgtoollog
Apr 10, 2008 11:57:03 AM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while) ...
Apr 10, 2008 11:57:03 AM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
Enterprise Manager configuration completed successfully
FINISHED EMCA at Apr 10, 2008 11:57:03 AM
mcidm11 10.2.0/bin>
CONFIG: Spooling to /opt/db/oracle/product/10.2.0/cfgtoollogs/emca/SDM/emca_repos_create_2008-04-10_11-57-03-AM.log
Apr 10, 2008 11:57:03 AM oracle.sysman.emcp.EMReposConfig createRepository
INFO: Creating the EM repository (this may take a while) ...
Apr 10, 2008 11:57:03 AM oracle.sysman.emcp.EMReposConfig invoke
INFO: Repository successfully created
mcidm11 emca/SDM> pwd
/opt/db/oracle/product/10.2.0/cfgtoollogs/emca/SDM
mcidm11 emca/SDM> more emca_repos_create_2008-04-10_11-57-03-AM.log
SP2-0310: unable to open file "/opt/db/oracle/product/10.2.0/sysman/admin/emdrep/sql/emreposcre.sql"mcidm11 emca/SDM> cd
Directory: /opt/db
mcidm11 /opt/db> cd /opt/db/oracle/product/10.2.0/sysman/admin/emdrep/sql/
Directory: /opt/db/oracle/product/10.2.0/sysman/admin/emdrep/sql
mcidm11 emdrep/sql> ls
core db ias ocs -
Oracle 10g - Database does not respond to the application users
Hi all,
I am using ORACLE 10g database with 75 users connections 50 local and 20 remote users using ADSL and dial up modem. Operating system on server is
Windows 2003.
All of a sudden users making the entry get disconnected getting the error as
ORA-12516: TNS:listener could not find available handler with matching protocol stack
Other case users when using the appliaction get their PC hanged and connection
to oracle fails again. they cannot login to the application that time, the error is
ORA-04031: unable to allocate %s bytes of shared memory ("%s","%s","%s","%s")
Twice a day the users trying to login cannot access the database server.
Front end application is in VB using exe file. When the users cannot logon
to the database. I manually stop the ORACLE services(including DB console) and
then stop the listener.
This practice is going on since last two months.
Server Scenario
After Installing Oracle Standard Edition 10g.
System tablespace utilization is 98.5% which is 465 MB out of total 470 MB.
There is only one Rollback Segment named as SYSTEM.
when we install 9i 4 rollback segments as RO1, RO2, RO3, RO4 are created
by default.
Do I need to add the datafile to SYSTEM table space as its current usage is 99.15% and its auto extend is ticked on using auto extent as 10 MB. I tried adding another datafile during weekend downtime. when I resumed on saturday morning I found it did not add any datafile which I had put on thursday eveninig as system02.dbf.
Do I need to add a new datafile to the SYSTEM tablespace ?
Do I need to create new rollback segments apart from SYSTEM rollback segment ?
My current schema size 15360Mb with its usage as 9.32% (1432.25 Mb).
Please reply !!!Hi Paul
My Server configuration is
Compaq ML 370
3.4 Ghz Processor
3.5 GB RAM
SQL> show sga
Total System Global Area 171966464 bytes
Fixed Size 787988 bytes
Variable Size 145488364 bytes
Database Buffers 25165824 bytes
Redo Buffers 524288 bytes
SQL> select * from v$sgastat;
POOL NAME BYTES
fixed_sga 787988
buffer_cache 25165824
log_buffer 524288
shared pool subheap 55600
shared pool KQR L SO 218160
shared pool KQR M PO 1329244
shared pool KQR M SO 605364
shared pool KQR S PO 164156
shared pool KQR S SO 6144
shared pool KTI-UNDO 1235304
shared pool sql area 5368208
shared pool KGLS heap 1597560
shared pool joxs heap 6004
shared pool row cache 3707272
shared pool parameters 17520
shared pool repository 19396
shared pool ASH buffers 4194304
shared pool free memory 16586072
shared pool PL/SQL DIANA 679456
shared pool KSPD key heap 4220
shared pool PL/SQL MPCODE 1167992
shared pool library cache 11368964
shared pool miscellaneous 25942980
shared pool pl/sql source 88
shared pool PLS non-lib hp 29816
shared pool XDB Schema Cac 3594144
shared pool alert threshol 3460
shared pool joxlod exec hp 355820
shared pool table definiti 5880
shared pool temporary tabl 4932
shared pool trigger defini 12848
shared pool trigger inform 1892
shared pool type object de 20256
shared pool private strands 1198080
shared pool event statistics per sess 4384640
shared pool fixed allocation callback 304
large pool free memory 8388608
java pool joxs heap 233856
java pool free memory 44743296
java pool joxlod exec hp 5354496
40 rows selected.
SQL> select segment_name, owner, status
2 from dba_rollback_segs;
SEGMENT_NAME OWNER STATUS
SYSTEM SYS ONLINE
_SYSSMU1$ PUBLIC ONLINE
_SYSSMU2$ PUBLIC ONLINE
_SYSSMU3$ PUBLIC ONLINE
_SYSSMU4$ PUBLIC ONLINE
_SYSSMU5$ PUBLIC ONLINE
_SYSSMU6$ PUBLIC ONLINE
_SYSSMU7$ PUBLIC ONLINE
_SYSSMU8$ PUBLIC ONLINE
_SYSSMU9$ PUBLIC ONLINE
_SYSSMU10$ PUBLIC ONLINE
SEGMENT_NAME OWNER STATUS
_SYSSMU11$ PUBLIC ONLINE
_SYSSMU12$ PUBLIC ONLINE
_SYSSMU13$ PUBLIC ONLINE
_SYSSMU14$ PUBLIC ONLINE
_SYSSMU15$ PUBLIC OFFLINE
_SYSSMU16$ PUBLIC OFFLINE
_SYSSMU17$ PUBLIC OFFLINE
_SYSSMU18$ PUBLIC OFFLINE
_SYSSMU19$ PUBLIC OFFLINE
_SYSSMU20$ PUBLIC OFFLINE
_SYSSMU21$ PUBLIC OFFLINE
SEGMENT_NAME OWNER STATUS
_SYSSMU22$ PUBLIC OFFLINE
_SYSSMU23$ PUBLIC OFFLINE
_SYSSMU24$ PUBLIC OFFLINE
_SYSSMU25$ PUBLIC OFFLINE
_SYSSMU26$ PUBLIC OFFLINE
27 rows selected.
Currently AUTOEXTEND is ticked as on for SYSTEM tablespace and its size is showing as 99.16% (466.06 mb) used which is very much nearing to its full capacity of 470 mb.
Currently 75 users - 50 Local users and 20 Remote Users are connected to the server. Is there any limit that Server should have limited connections.
Server has Windows 2003 Standard Edition. Has Windows 2003 anything to do
with the no. of users getting connected ? -
Can cold backup be taken for ASM managed oracle 10g databases
Can cold backup be taken for ASM managed oracle 10g databases
Pls helpdo we still need to take cold backupYou need to take backup. Hot or cold depends on how your DB is running (archivelog or not).
Will we have file permisions for copyng Use RMAN and don't worry about that.
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