Sysaux tablespace is not extending

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Problem : Sysaux tablespace is not extending

Database:  10.2.0.4

OS :  Oracle Solaris on SPARC (64-bit)

Description : 

SQL> select * from dba_data_files where tablespace_name='SYSAUX';


FILE_NAME
--------------------------------------------------------------------------------
  FILE_ID TABLESPACE_NAME                     BYTES     BLOCKS STATUS
---------- ------------------------------ ---------- ---------- ---------
RELATIVE_FNO AUT   MAXBYTES  MAXBLOCKS INCREMENT_BY USER_BYTES USER_BLOCKS
------------ --- ---------- ---------- ------------ ---------- -----------
ONLINE_
-------
+HLR_DATA/fsv/datafile/sysaux.262.699645257