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DML fails due to ORA-01658 error [message #486618] Fri, 17 December 2010 07:15 Go to next message
Messages: 88
Registered: April 2007
Location: CHENNAI
One of my table refers to a tablespace, having 3 datafiles.
These 3 datafile refers 2 different unix mount point.

Space on one of the mount point(/u0201) is 100% full,
But in the another mount point (/u0101) having enough free space. corresponding datafile is set with Autoextension.

Unix data $ df -h
/u0101   -     6.1T   5.3T   826G    87%    /u0101
/u0201   -     2.9T   2.9T    43M    100%    /u0201

Oracle Data
SQL> select * from dba_data_files where tablespace_name='ID_DW_STR_DATA';


 /u0101// DATA_001.dbf	 41 	ID_DW_STR_DATA	33554432000	AVAILABLE		 YES 		33554432000	
 /u0201 //DATA_003.dbf	 374 	ID_DW_STR_DATA	11523850240	AVAILABLE		 NO 		0			

SQL> Alter tablespace ID_DW_STR_DATA add datafile '/u0101/DATA_004.dbf'  size 1000M  AUTOEXTEND ON ;

 /u0101// DATA_004.dbf	 505 	ID_DW_STR_DATA	1073741824	AVAILABLE		 YES 		16106127360

ORA-01658: unable to create INITIAL extent for segment in tablespace ID_DW_STR_0010_DATAunable to create INITIAL extent for segment in tablespace ID_DW_STR_DATA

If one mount point is full, then Why Oracle automatically re directing data into another(i.e. old /u0101) mount point?

After adding one more new datafile in /u0101 mount point only I could insert data in that table


[Updated on: Fri, 17 December 2010 08:27] by Moderator

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Re: DML fails due to ORA-01658 error [message #486650 is a reply to message #486618] Fri, 17 December 2010 13:38 Go to previous message
Messages: 147
Registered: October 2009
Location: Dallas, TX
Senior Member
It didn't re-direct the data - it attempted to allocate an extent in datafile that was marked as 'autoextensible' and since it was at maxsize, it failed. No mystery here that I can see . . . . .
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