Error after starting a database read only

I have a database Oracle 10 g Enterprise Edition:
is started read write
svrmgrl> shutdown immediate
startup mount
alter database open read only
shutdown immediateDatabase closed
Database dismounted
ORA-03113 end-of-file on communication channel
startup mountORA-24324 service handle not initialized
ORA-01041 - internal error, hostdef extension does not exist
Why?
Thank you,
Mihaela

yes, of course I did:
sqlplus "/as sysdba"
from Windows Oracle 10g. I wanted to test those commands for an Oracle8 i database and par mistake I wrote svrmgrl.
Thank you,
Mihaela

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What to do about Backup failed with error: The target volume is read-only

This is a weird story. My wife has a PowerBook G4/1.33 GHz that she uses in clamshell mode with a 20" Cinema Display. One day under OS X 10.5.6, her Time Machine backups (to a networked 500 GB Time Capsule) failed with the error: Backup failed with error: The target volume is read-only. So I upgraded her to 10.5.7 and erased the sparseimage file, starting a new Time Machine backup. And it just happened again. Any idea how this sort of problem arises? My wife was doing something at her computer when the Time Machine error occurred.
Please don't advise us to upgrade to 10.5.8, because her PowerBook freezes not infrequently with any OS later than 10.5.6, and I was just about to downgrade her from 10.5.7 to 10.5.6.

Pondini wrote:
odysseus wrote:
This is a weird story. My wife has a PowerBook G4/1.33 GHz that she uses in clamshell mode with a 20" Cinema Display. One day under OS X 10.5.6, her Time Machine backups (to a networked 500 GB Time Capsule) failed with the error: Backup failed with error: The target volume is read-only. So I upgraded her to 10.5.7 and erased the sparseimage file, starting a new Time Machine backup. And it just happened again.
Try repairing the sparse bundle, per #A5 of the Time Machine - Troubleshooting *User Tip,* also at the top of this forum.
I've tried this before, but it can't be repaired, because it can't be mounted.
Any idea how this sort of problem arises? My wife was doing something at her computer when the Time Machine error occurred.
One possibility is, the HD in the Time Capsule is beginning to fail (all HDs fail, sooner or later).
I'm backing up to my own sparseimage bundle just fine.
Please don't advise us to upgrade to 10.5.8, because her PowerBook freezes not infrequently with any OS later than 10.5.6, and I was just about to downgrade her from 10.5.7 to 10.5.6.
Those two things may be related. Whatever's going wrong may very well be what's corrupting the backups.
I'd recommend finding out what's wrong with the Powerbook. It's impossible to tell, of course, but that may be the root of the problem.
There's a problem with PowerBooks and Cinema Displays. I've posted a lot about this. Even after a motherboard replacement, my PowerBook G4/1.67 GHz had freezes, and eventually Apple gave me a MacBook Pro, but I think there's a failure involving hardware/software design.
If you haven't yet, I'd start by dong a +*Verify Disk+* on it's internal HD (also per #A5);
That checks out fine.
if there are no errors, or they're fixed and the problem continues, run the +Apple Hardware Test+ from the disc that came with the Mac. (One of the discs should have that, and instructions for running it, printed in tiny type on the label).
If still no help, I'd be inclined to do an +Archive & Install, preserving users & settings,+ of Leopard, then download & install the appropriate "combo" update. That's a combination (thus the clever name) of all the updates to Leopard since it was first released, so installing it should fix anything that's gone wrong since then, such as with one of the normal "point" updates. Info and download available at: http://support.apple.com/downloads/MacOS_X_10_5_8_ComboUpdate (change the last "8" to the desired number). Be sure to do a +Repair Permissions+ via Disk Utility (in your Applications/Utilities folder) afterwards.

Error while starting the Database

Hi,
I am getting the following error while starting the Database instance.
ORA-03113: end-of-file on communication channel.
How to fix this issue? i tried some of the options mentioned in docs in metalink. But still i am not able to fix.
Anypointers on this is appreciated.
Thanks & Regards,
Srikanth

Can you paste lines from alertlog file..

"Time Machine Error The backup volume is read only"

Lately, every time I try to backup to my Time Capsule using Time Machine it fails and I get a message saying "Time Machine Error The backup volume is read only. To select a different volume, open system preferences and choose Time Machine" So I do that and I see the Time capsule listed. I don't want to select anything but the Time Capsule, cuz what else do I have, right? Am I wrong in assuming the "backup volume" is the Time Capsule? Anyway, I have tried changing the permissions on the time capsule, but when I get the "get info" box for the time capsule, there is not an option to change those settings, they are grayed out. Every thing worked well for about a week and then this started. My backup volume must have been "Read & Write" at first, because I can see what was backed up when I open Time Machine. Anybody have a clue what's going on? How can I make the back up volume "Read & Write" again and why did it change to "Read Only?"

Nope, I am using the same passwords as ever, both users have the same password, BTW. The password I gave to the Time Capsule is different, tho, but that password is for the wireless aspect of the Time Capsule, so that wouldn't have anything to do with it, would it?
I also get a message box that says "Disk Repair The disk "Backup of XXX's Computer" was not repairable by this computer, it is being made available to you with limited functionality. You must back up your data and reformat the disk as soon as possible." This box appears in conjunction with the appearance of the Norton's virus scan box scanning the time capsule.

Make CA database read-only?

Is it possible to make Firefox not accept any new Certificate Authorities without user interaction?
Long story short, I have having a problem where Firefox is adding a CA to it's database that is hosing things up. The actual problem is with the cert that is being offered to me, and I am working with that system owner to fix the cert, but in the mean time I would like to have Firefox not ever load the CA into it's database. This new CA is added without the user being prompted at all. Simply visiting a specific website causes this new CA to be added to the list (but again, not trusted, just added to the list).
By default when it is loaded the new cert has no permissions so it is not trusted, but the problem is the fact that the CA that is added is a duplicate name with another known good CA in my list and it causes things to go wacky when there are two with the same name (different signatures, different issuer, the only thing the same is the nickname).
I know this isn't a problem with Firefox directly. In 99.9999% of cases when it adds an additional CA to the list it doesn't cause a problem at all because it is not trusted and it won't inherently allow the secure connection. But since fixing the real problem with the owner of the website is going to take a long time (weeks/months) I would like to put a band-aid on the symptom so that I can cut my maintenance of this topic down greatly.
I am running Red Hat Enterprise Linux 5.9 with Firefox 10.0.12 (RHEL distributed Firefox).
I could go into extreme detail to explain what is causing my problem, but the short question I have is "Is there a way to make the CA database read-only"?
I have tried editing the permissions of cert8.db in ~/.mozilla/firefox/*.default/ to only be readonly (0400) vice read-write (0600) currently. However this causes Firefox to have kittens when I try to use anything that reads the CA list so I had to change it back.
I have a hacky script to remove the CA using certutil, but since certutil uses the 'nickname' of the cert to decide which one to delete, and both the good cert and the bad cert have the same nickname I get worried I'll blow away the good one and not the bad one. So far it has consistently matched the bad cert, but I don't have enough confidence that it will do that every time to push it out to my users. If I could use certutil -D with something more specific than nickname (fingerprint, signature value, etc) I would be OK with that as well.
I know there are options to restrict user changes to things like proxies and the such, is there a similar way to do it with CAs? about:config doesn't appear show anything that looks like it would do it.
Can I have it prompt me when it tries to add a CA to the database and allow me to say yes/no?
I am OK if the change is something that requires manual intervention if we do decide to add another CA to the list. Currently I am having to repair this problem multiple times a day and new CAs don't come all that often.
Unfortunately, I can't simply upgrade to the latest Firefox as software restrictions are in place. I'm open to any ideas you may have.

Seems unlikely two unrelated CA or sub-CA certs would have the exact same issuer name. Was the name too generic? If they actually related and I assume created by your organization perhaps you could simply add the "Integration CA 456" certificate to your root store -- assuming you trust it.
Firefox validates certificate chains by looking up issuers, and in case of duplicates by default it grabs the one with the most recent "Not Before" date. There is a newer algorithm under development that won't stop at the first match but will continue to trying intermediate combinations until it finds a match or runs out of options. If you'd like to try it you need to add the boolean preference "security.use_libpkix_verification" and set it's value to true. This pref will not appear in about:config by default, but you can right-click in about:config to add it.

Opening database read only

I am unable to open database in read only mode i used
SQL> STARTUP NOMOUNT
ORACLE instance started.
Total System Global Area 101784276 bytes
Fixed Size 453332 bytes
Variable Size 75497472 bytes
Database Buffers 25165824 bytes
Redo Buffers 667648 bytes
SQL> ALTER DATABASE MOUNT;
Database altered.
SQL> ALTER DATABASE OPEN READ ONLY;
ALTER DATABASE OPEN READ ONLY
ERROR at line 1:
ORA-01187: cannot read from file 1 because it failed verification tests
ORA-01110: data file 1: 'G:\ORACLE\ORADATA\ORCL\O1_MF_SYSTEM_ZYJOFL00_.DBF'
even
SQL> shut
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup open read only
ORACLE instance started.
Total System Global Area 101784276 bytes
Fixed Size 453332 bytes
Variable Size 75497472 bytes
Database Buffers 25165824 bytes
Redo Buffers 667648 bytes
Database mounted.
ORA-01187: cannot read from file 1 because it failed verification tests
ORA-01110: data file 1: 'G:\ORACLE\ORADATA\ORCL\O1_MF_SYSTEM_ZYJOFL00_.DBF'
this does'nt works though i am able to open read write
SQL> alter database open;
Database altered.

I RENAMED FILE TO SYSTEM01.DBF ????
why you relocate that file ?. That was not the file with problems.
The file with problems is this one.
'G:\ORACLE\ORADATA\ORCL\O1_MF_SYSTEM_ZYJOFL00_.DBF'
I propose you to set offline the tablespace that is related to this file ( 'G:\ORACLE\ORADATA\ORCL\O1_MF_SYSTEM_ZYJOFL00_.DBF'
) and try to open the database in read only mode if this get succesful, after we can try to relocate the another file.
What is the tablespace that is related to that datafile ?
Joel P�rez

Error after starting up listener

Hi all,
Im not a db operator and im quite new with oracle and solaris but we got a problem after rebooting this server, the listener fails to start
with the following error:
LSNRCTL for Solaris: Version 8.1.7.0.0 - Production on 03-DEC-2007 20:01:30
(c) Copyright 1998 Oracle Corporation. All rights reserved.
Message 850 not found; No message file for product=network, facility=NL
LSNRCTL>
If i try to start the listening process it gives 2 other errors
LSNRCTL> start
Message 1070 not found; No message file for product=network, facility=TNSTNS-12545: Message 12545 not found; No message file for product=network, facility=TNS
TNS-12560: Message 12560 not found; No message file for product=network, facility=TNS
TNS-00515: Message 515 not found; No message file for product=network, facility=TNS
Solaris Error: 2: No such file or directory
LSNRCTL>
I also can not start the SQLPLUS program =S
I read some other posts that these errors may be a path problem but im not sure if this is, and ifso how to correct it =o)
The database version is 8.1.7 and is running on solaris.
anyone has an idea how i can solve this problem?
Thanks in advance!
Message was edited by:
user608640

Hi again,
Thanks for the reply but, how can i set the variable $ORACLE_HOME?
and to what directory it has to point? does it need to point to the oracle db or to the oracle bin dir?
thanks in advance!

ADF 10.1.3 : getting error while auto refreshing the read only table

Hi All,
I have implemented auto refresh on ADF read only table +[auto refresh simply requeries table rows]+ but after say about 15 -20 refreshes, i start getting the warning:
bq. "*Feb 10, 2009 3:21:17 PM oracle.adf.controller.faces.lifecycle.FacesPageLifecycle addMessage* \\ * WARNING: JBO-35007: Row currency has changed since the user interface was rendered. The expected row key was oracle.jbo.Key*[ |http://forums.oracle.com/forums/]"
and all the rows in the table disappear.
I searched on Google and found that this error can be removed by disabling token validation in the page. But i have following queries:
1. In my auto refresh code, i have added following lines to avoid this error but i am still getting the error, what could be the reason for this.
bq. *" current_row_key = dciter.getCurrentRow().getKey();* \\ * dciter.executeQuery();* \\ * dciter.setCurrentRowWithKey(current_row_key.toStringFormat(true));"*
2. Can disabling validation on my page lead to any issues?
Regards
Lokesh

Any inputs on this ..

How to make database read only?

Hi
All,
I have restored my production database to development. I want to make these database available only for reading purpose means nobody can make any changes to that database only thing is that they can see the data. Is there any feature available to achieve the same?
Thanks,
Vishal

Hi,
>>I am guessing: Use triggers not to allow insert, update or delete on that table.
The easy trick is create a check constraint with disable validate state ... but you are not safe in case a drop statement is issued ...
TEST@XE> create table t1 (id number);
Table created.
TEST@XE> alter table t1 add constraint chk_readonly check (1=1) disable validate;
Table altered.
TEST@XE> insert into t1 values (1);
insert into t1 values (1)
ERROR at line 1:
ORA-25128: No insert/update/delete on table with constraint (TEST.CHK_READONLY) disabled and validated
TEST@XE> truncate table t1;
truncate table t1
ERROR at line 1:
ORA-25128: No insert/update/delete on table with constraint (TEST.CHK_READONLY) disabled and validated
TEST@XE> drop table t1;
Table dropped.Cheers
Legatti

TG4MSQL ora-28500 error on RECOVER login in READ-ONLY mode

We're connecting from a 10.2 dbase to SqlServer2000 via TG4MSQL. No upfront problem connecting but the Oracle .trc file shows below error:
ORA-28500: connection from ORACLE to a non-Oracle system returned this message: [Transparent gateway for MSSQL][Microsoft][ODBC SQL Server Driver][SQL Server]Login failed for user 'RECOVER'. (SQL State: 00000; SQL Code: 18456)
Below is the content of .ora file:
HS_FDS_CONNECT_INFO=INETSQL3.ComPro
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_TRANSACTION_MODEL=READ_ONLY
We are using READ-ONLY mode so the RECOVER login was not defined on SqlServer.
Anyone know why TG4MSQL is trying to open a connection as RECOVER? And is there a way to stop it?

Pending transactions turned out to be the culprit. Below is info from our TAR that
provides some detail on what RECOVER is doing.
Oracle handles all transactions as if they were distributed transactions. He takes a very conservative approach on the assumption that you may want to update
or insert later. This has been like this since Oracle version 6 and will never
change. Hence all transactions get handled as a distributed transactions even though there are no simultaneous updates. A common remote transaction would involve reading from SQL Server and then taking that data an inserting into an Oracle database. In the event a transaction gets aborted for some reason RECO must rollback the transaction. SQL Server requires a valid username/password and hence uses the recovery username/password specified in the gateway init file. The default parameters for both are RECOVER , if they are omitted in the init.ora file for the gateway. Obviously these do not exist on SQL Server. Note that this recovery process is detected and processed by the Oracle kernel. READONLY mode only prevents inserts, updates or deletes to be issued to SQL Server and nothing else. The gateway has nothing to do with handling and monitoring transactions to SQLServer. In all likelyhood you have several in doubt transactions in the dba_2pc_pending view. As long as those entries remain RECO will continue to try and rollback these in doubt transactions and fail each time due to an invalid username/password. This will go on until you either manually remove them or give RECO a valid SQL Server username/password to use.
OPTION 1
==========
Code the follwing in your gateway init.ora file
HS_FDS_RECOVERY_ACCOUNT=use the username specified in your db_link
HS_FDS_RECOVERY_PWD=use the password specified in your db_link
OPTION 2
==========
Define a username with password RECOVER on the SQL Server database you are connecting to
OPTION 3 (Manually removing in doubt transactions)
================
Use dbms_transaction.purge_lost_db_entry(local_tran_id)
STATUS should be in collecting
Please see Metalink
Note.126069.1 Ext/Pub Manually Resolving In-Doubt Transactions Different Scenarios
for detailed information

Jsp-comp error saying tag-property is read only

Hi!
Running oc4j 1.0.2.2 on win2000.
When I try to access a jsp I get a "error parsing jsp-page",
saying:
Property 'numberofitems' of
bean/tag 'bg.taglib.campaign.CampaignListTag' is read only
Is there anyone that can explain...?
stubbs follow...
class:
public class CampaignListTag extends ListTag {
public int doStartTag() {
return(EVAL_BODY_TAG);
public int getNumberofitems(){
return super.getNumberofitems();
public void setNumberofitems(String NumberOfItems){
super.setNumberofitems(NumberOfItems);
jsp-call:
<%@ taglib uri="taglib" prefix="bg" %>
<bg:CampaignList numberofitems="12">
tag-declaration:
<tag>
<name>CampaignList</name>
<tagclass>bg.taglib.campaign.CampaignListTag</tagclass>
<bodycontent>JSP</bodycontent>
<attribute>
<name>numberofitems</name>
<required>false</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
</tag>
regards
.../Andreas

Hi,
How many machines are effected by this problem?
I've seen someone suggested you disable add-ins, does this work? To eliminate the influence by add-ins, we can also start Outlook in Safe Mode to test:
Press Win + R, type "outlook.exe /safe" in the blank box, press Enter.
If the issue persists, please switch the account to work in Online Mode:
Go to Account Settings -> Double click on the account -> Uncheck "Use Cached Exchange Mode" -> Next -> Finish.
You will need to restart Outlook to work in Online Mode.
Now please check if this issue persists when you select the contact in Step 6. I suggest you do this so since in Cached Mode Outlook uses the Offline Address Book, and in Online Mode Outlook uses Global Address List directly. If it works fine in Online Mode,
probably the OAB is corrupted and I suggest you go to C:\Users\username\AppData\Local\Microsoft\Outlook, find the Offline Address Books folder and delete it. Outlook will generate a new one when it starts next time in Cached Mode, let's see if it fixes the
issue.
Regards,
Melon Chen
TechNet Community Support
It's recommended to download and install
Configuration Analyzer Tool (OffCAT), which is developed by Microsoft Support teams. Once the tool is installed, you can run it at any time to scan for hundreds of known issues in Office
programs.

Why does standby start automatically in read only and not in mount?

hi there,
running 10.2.0.4 EE on windows 2008
i have the problem that when starting the windows servcie for the standby database, the db automatically runs into the read only mode and NOT as desired in the mout state
only if I am starting the standby like following:
STARTUP NOMOUNT;
ALTER DATABASE MOUNT STANDBY DATABASE
I will get my desired result.
what do I have to configure in order that restarting the windows service (or only make a startup on the sqlplus prompt...) will bring up the standby in mount state?
thanks in advance
stefan

This is the expected behaviour. In 10g , if we invoke startup on a standby database, it automatically opens the database in READ ONLY mode. Not tested the same on other versions. You may want to use -STARTMODE option with oradim to set the instance startup to manual and bring it up manually every time.
HTH

Database read only and an ERP

I have a great database of 2 T opened read write. To open it read only I do:
alter database mount
alter database open read only
isn't it?
When I open it in mode read only I try to connect at an ERP with a user who has also write rights. Can work?
Thank you,
Mihaela

user588072 wrote:
When I open it in mode read only I try to connect at an ERP with a user who has also write rights. Can work?Which ERP are you working on ?
I know Peoplesoft, and because of a lot of internal stuff (i.e. audit) the frontend application, developement tools... cannot be open for business when the database is open in read-only mode.
Indeed, when starting the application server, or process scheduler..., they needs to be registered against the database, and consequently, need to update tables... which obviously cannot be done in read-only mode.
Because every single ERP is unique with their own properties, you should ask to your ERP vendor.
Nicolas.
Edited by: N. Gasparotto on May 21, 2009 1:22 PM

Error wtith starting the database

HI ALL
I'm using oracle db 10g , i turned on database flashback then the database shutdown implicitly , next time i started the database
i got the error ora-01033 .
i checked the alert.log file & i found this lines :
alter database open
ORA-38760 signalled during: alter database open...
Sun Feb 28 09:04:03 2010
db_recovery_file_dest_size of 2048 MB is 45.02% used. This is a
user-specified limit on the amount of space that will be used by this
database for recovery-related files, and does not reflect the amount of
space available in the underlying filesystem or ASM diskgroup.
can i solve this issue without turning off the flashback feature

Hi,
ORA-01033 has nothing to do with FRA. These are the normal messages you see in alert log after enabling this feature. Shutdown your database using abort option to solve the issue.
Perform the following steps:
1) shutdown abort
2) startup
3) shutdown immediate
4) startup
Asif Momen
http://momendba.blogspot.com

Large number of errors after starting MM replication

I have tried setting up 2 instances for MM replication.
Both are 9.2.0.6 on Solaris 8
This is to be our DR setup for several applications.
Creating the Master Group and links goes fine as does the online instantiation.
All tables have primary keys, no sequences and the rest (views,packages etc) I will update by hand since they will rarely change.
I have set parallel to zero - ie serial propagation, and have a single propagator/receiver (repadmin).
Then very soon after instantiation, the secondary site error list has > 50 errors and growing - all of No data found.
Seems that it is rapidly getting out of sync and at this stage only the Master Definition site has any users.
Has anyone seen this happen before? With no users on the secondary I would hope that there would be no errors at all.
Any help appreciated as this is a critical application.
Greg

Hello Greg,
i see also are many others reasons. I have a similar replication, two Mastersites, i replicate a whole schema (only the tables), all other things (triggger, indexes...) i create directly. We write the most time only on database 1 and it works fine.
But some times i have a problem with parallel writing, the replication tempt to write a transaction a second time. Other reason in such a replication environment
are changes on the table structure, for instance disabling of an unique constraint only on the database 1. If your replication-environment never works without errors i would think you forgot any tables and there necessary foreign key connections.The bottom line is the question according the first error. Some times it begins only with one error and all other errors comes from the first. Can you find the reason for the first error?
Use the defcall and deferror views on the Database 2 to find the data's for the get_call package and then use this to find the problems for update-errors or use the OEM.
To your goal, the best way is to play at first with two test databases, i do so.
Regards from Germany
Anne

Error after starting a database read only

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