| how to reclaim space after deleting a data file [message #463184] |
Wed, 30 June 2010 02:20  |
janakors
Messages: 232
Registered: September 2009
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Senior Member |
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hello to every one
i have a tablespace with a datafile of 20g. now by mistake i delete the datafile and then try to delete the tablespace from EM but i got an error which says that data file is not present to delete
Now initially after deleting the file physically so then i check space by applying df -ah at os lvl so it didn't reclaim the space now i try to delete the tablespace from em so it gives me the above error.
this migt be due to tablespace existence.
so how can i reclaim the space.
please guide
regards
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| Re: how to reclaim space after deleting a data file [message #463237 is a reply to message #463220] |
Wed, 30 June 2010 05:46  |
janakors
Messages: 232
Registered: September 2009
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Senior Member |
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thank u for reply
sir i want that 20gb back as i delete the data file so i want that space that why i deleted but on os using df -ah, it shows /u01 capacity as the data file exist so how can i reclaim that space even after deleting that data file,(i thought that might be due to the existence of it respective tablespace)
so please tell me how to drop such tablespace or any other way i can get my 20GB space back (for which i deleted that data file but didn't get it).
regards
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| Re: how to reclaim space after deleting a data file [message #463358 is a reply to message #463257] |
Wed, 30 June 2010 23:26 |
janakors
Messages: 232
Registered: September 2009
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Senior Member |
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i did the following
1.i went to ... /oradata/orcl folder
2.bash>rm -r data_01_01.dbf
bash>
3.bash>df -ah
bash> (here /u01 mount point space still shows me that no change to capacity and i it must show that space is increased as i delete the 20 gb datafile)
4. now i log on to EM and try to delete the tablespace but it give me error that respective data_01_01.dbf is not there so can't delete)
5. i want that space back how should i ?
(my suggestion is that if i can drop my tablespace so may be at os level the space would be released )
6. please guide
regards
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| Re: how to reclaim space after deleting a data file [message #463361 is a reply to message #463360] |
Wed, 30 June 2010 23:51 |
janakors
Messages: 232
Registered: September 2009
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Senior Member |
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BlackSwan wrote on Wed, 30 June 2010 23:37>6. please guide
Oracle holds the file open & OS space is not freed until after Oracle shuts down & releases the inode it help OPEN
do u mean that i need to shutdown and restart this instance( as i have to instances) and what exactly you mean by ---& releases the inode it help OPEN
regards
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| Re: how to reclaim space after deleting a data file [message #463385 is a reply to message #463362] |
Thu, 01 July 2010 02:10 |
janakors
Messages: 232
Registered: September 2009
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Senior Member |
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but sir i delete this file using oracle user directly on the OS so it should straightaway release the space and sir kindly give me something like, article or document to know about solaris behaviour specfically in my case. i think i need more knowledge about solaris os.
please suggest some book or link
regards and thank u very much for your support
janakors
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| Re: how to reclaim space after deleting a data file [message #463390 is a reply to message #463385] |
Thu, 01 July 2010 02:27 |
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Michel Cadot
Messages: 68653
Registered: March 2007
Location: Nanterre, France, http://...
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Account Moderator |
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Quote:but sir i delete this file using oracle user directly on the OS so it should straightaway release the space
No, because Oracle instance owns a handle on the file, the file is only released when ALL handles are closed, that is here when instance is shut downn this is why I said: "3/ Restart the instance"
Quote:article or document to know about solaris behaviour specfically in my case. i think i need more knowledge about solaris os.
As this is the basic behaviour of ALL unix since they existed, I think you can easily find this on the web.
Regards
Michel
[Updated on: Thu, 01 July 2010 02:27] Report message to a moderator |
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| Re: how to reclaim space after deleting a data file [message #463575 is a reply to message #463220] |
Fri, 02 July 2010 01:07 |
janakors
Messages: 232
Registered: September 2009
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Senior Member |
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Mahesh Rajendran wrote on Wed, 30 June 2010 04:59Instead of explaining what you did, just copy and paste the session. Verbatim.
Using ASM?
hello sir
can u expalin or give link that how can i copy my session and what is this "Verbatim" and how "using ASM"
please guide
regards
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