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Oracle Space Issue | AIX

Posted on 2013-12-20
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Last Modified: 2014-01-25
Experts -

I do see space mismatch as below. What happens when the mount /dwdata reaches 100%. But I still have enough space at the DB level.  This is a PROD I just cannot bounce the DB.

We dropped a tablepace worth of 1TB, which is not reflecting at the OS level commands.

$ df -g /dwdmdata
Filesystem    GB blocks      Free %Used    Iused %Iused Mounted on
/dev/fslv03     6000.00    236.65   97%      609     1% /dwdata


$ cd /dwdata
$ du -gs .
5762.17 .

Real Used at DB level

SQL> select sum(bytes)/1024/1024/1024 GB from dba_data_Files where FILE_NAME like '/dwdata%';

        GB
----------
4612.54259


thanks,
sve.
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Question by:sventhan
10 Comments
 
LVL 15

Expert Comment

by:Devinder Singh Virdi
ID: 39732620
Are Temp files in same location?
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LVL 18

Author Comment

by:sventhan
ID: 39732692
No. They're in a different location.
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LVL 29

Assisted Solution

by:MikeOM_DBA
MikeOM_DBA earned 1336 total points
ID: 39732713
We dropped a tablepace worth of 1TB, which is . . .
Did you do it "INCLUDING CONTENTS AND DATAFILES"? if not, remember to also remove the files.
;)
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LVL 18

Author Comment

by:sventhan
ID: 39732732
When I dropped the tablespace was empty no objects were associated with it. But I did not use the "including" clause.

Will that be an issue?

If we bounce the DB, will df/du reflect the correct numbers?
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LVL 29

Assisted Solution

by:MikeOM_DBA
MikeOM_DBA earned 1336 total points
ID: 39732739
You may need to use OS command to remove the files related to the dropped tablespace.
And if "df" command does not reflect the change, then just close and open the database.
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LVL 18

Author Comment

by:sventhan
ID: 39732754
when drop the tablespace with "drop tablespace tablespacename" command, the associated datafiles will not be dropped automatically. Is this true?

Thanks for the help.
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LVL 29

Expert Comment

by:MikeOM_DBA
ID: 39732762
True, datafiles only removed with the "DROP TABLESPACE ... INCLUDE...DATAFILES" otherwise you need to remove the files using the "rm {file name}" OS command.
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LVL 36

Assisted Solution

by:johnsone
johnsone earned 664 total points
ID: 39732779
Once you remove the files at the OS level, then if the space is still not showing up in df, then run this:

sync ; sync ; sync

That may need to be run as root, but you can try as oracle.  That syncs the file system headers and the space should show up at that point.  You should not need to bounce the database.
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LVL 18

Accepted Solution

by:
sventhan earned 0 total points
ID: 39732814
Thanks Virdi, Mike and John. I'll try this tonight
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Author Closing Comment

by:sventhan
ID: 39808400
Thanks
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