Problem to taking DB-Backup

Hai I have using windows2000 os and oracle9i.
I have try to take back-up my database. I will go the enterprise manager and click the database.It asked to user name, password. I haven't gave any username password at the time of i installed.I will try to 'sysdba' at the time of i tried to take back up it displays the following error
"This wizard can only be launched when application is connected to the oracle management server(OMS).Launch the application and connect to the OMS before trying to launch the wizard again."
I want to take back up database in oracle..
Please tell me the procedure!!!

Hi,
You have not known just 1 hour ago... what the computer is.....
urgent
and now you're asking a somewhat 'advanced' question....!!!!
It seems to be too 'advanced' ... for you..
Greetings,....
Simon
Message was edited by:
sgalaxy

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Error while taking the backup to disk.

Hi all,
I am facing one problem while taking the backup to disk. After copying few files to disk it got terminated and hereunder the log ,
BR0001I *****_____________________________________________
BR0201I Compressing /oracle/OPD/sapdata2/sr3_6/sr3.data6
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BR0280I BRBACKUP time stamp: 2007-12-15 13.41.16
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Please confirm me whether the problem is with hardware or data corruption and need your precious suggestions on the same.
Thanks and Regards,

<b>compress: I/O error</b>
This looks like hardware error.
is there enough free space on /backup2/archlog/bdwuyjxg/?
do you get the same error if you try manualy?

Storage problem: "Other" taking up all space

To situate my context: I'm IT-specialist at my school, where we have an 1:1 iPaddeployment for about 700 pupils and 100 teachers. Most of the pupils use the 16gb wifi version, purchased near the end of August '12. Over the last month, we've have about 20 pupils (and not teachers, which is peculiar) with the folowing problem:
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What we have tried:
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- Putting iCloud backup on a different iPad;
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- Updating iPads to 6.0.1 or 6.1
What we suspect:
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- An odd thing is that, when communicating with other schools abroad, not a single one of them has experienced this problem.
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Dear SAP Guru,
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SAP :EC6.0
DB: Oracle 10G
Platform:Windows NT
BR0134I Unattended mode with 'force' active - no operator confirmation allowed
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Hi,
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Friends,
I am getting below error while taking RMAN backup.
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Hi,
SQL> SELECT s.sid, username AS "User", program, module, action, logon_time "Logon", l.*
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I am getting this error once in a month not everyday.
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RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
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Please suggest me based on this..Thanks in advance..

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Dear Experts,
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Reward points assured
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Hi,
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Please mark this reply as answer if it solved your issue or vote as helpful if it helped so that other forum members can benefit from it.
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Hi,
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Thanks,
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Edited by: Srini on Apr 11, 2012 1:12 PM
Edited by: Srini on Apr 11, 2012 1:13 PM

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Problem to taking DB-Backup

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