Hi ,

User got ORA-01555 error , And My database is runnong with rollback segments ?
User got following error ? ORA-01555 'UNABLE TO EXTEND ROLLBACK SEGMENT RBS_O4'

After that I try like this :

prd176> ALTER ROLLBACK SEGMENT RBS_04 STORAGE (MAXEXTENTS 65530);
ALTER ROLLBACK SEGMENT RBS_04 STORAGE (MAXEXTENTS 65530)
*
ERROR at line 1:
ORA-02221: invalid MAXEXTENTS storage option value

What I have to do ?
Please give solution , means complete command ?

here I am pasting my db information;

prd176> SELECT SEGMENT_NAME,TABLESPACE_NAME,FILE_ID,MAX_EXTENTS,MIN_EXTENTS
FROM DBA_ROLLBACK_SEGS
2 3 ;
Tablespace
SEGMENT_NAME Name FILE_ID MAX_EXTENTS MIN_EXTENTS
-------------------- -------------------- ---------- ----------- -----------
SYSTEM SYSTEM 1 505 2
RBS_01 ROLL_T01 2 32765 1
RBS_02 ROLL_T01 2 32765 1
RBS_03 ROLL_T01 2 32765 1
RBS_04 ROLL_T01 2 32765 1

Size of ROLL_T01 tablespace size is 1GB.

Please give me the complete solution?