HOW TO MOVE DATAFILES FROM ONE DISK RAID TO ANOTHER:PLZ HELP ME :=)

Hi all,
For Tunning reasons : perform The I/O from the Instance to datafiles (database). I decide to move some Index datafiles from One DISK RAID to another.
I'm on Linux Redhat Server and Oracle Database 10g Enterprise Edition Release 10.2.0.1.0
My database 's On PRODUCTION and there 're many web applications updating some databases tables and for sure using Index tablespace. I preapared yet my procedure to move datafiles but I'm posting this to be sure that I will not have BAD EFFECTS on my Oracle database.
So I plan without SHUTDOWN MY DATABASE to these steps :
/*Step1 : */
ALTER TABLESPACE INDX OFFLINE ;
/*Step 2 : move datafiles to new disk raid*/
mv /u01/oraindx/DB01/indx01_05.dbf /u01/oraindx2/DB01/indx01_05.dbf
mv /u01/oraindx/DB01/indx01_06.dbf /u01/oraindx2/DB01/indx01_06.dbf
mv /u01/oraindx/DB01/indx01_07.dbf /u01/oraindx2/DB01/indx01_07.dbf
/*Step 3 : */
ALTER TABLESPACE INDX RENAME DATAFILE '/u01/oraindx/DB01/indx01_05.dbf' TO '/u01/oraindx2/DB01/indx01_05.dbf';
ALTER TABLESPACE INDX RENAME DATAFILE '/u01/oraindx/DB01/indx01_06.dbf' TO '/u01/oraindx2/DB01/indx01_06.dbf';
ALTER TABLESPACE INDX RENAME DATAFILE '/u01/oraindx/DB01/indx01_07.dbf' TO '/u01/oraindx2/DB01/indx01_07.dbf';
/*Step 4 : */
ALTER TABLESPACE INDX ONLINE ;
Please verify my procedure and tell me the precautions that I should take care :=)
regards,

Werner,
If this is an active databases (indexes are used),
you cannot set offline the index tablespace.you can offline it.
DAB user:
SQL>create tablespace inds datafile '/oracle/newdb/mydb/inds01.dbf' size 10m;
Tablespace created.
Scott user:
SQL>create table t2 (col1 date, id number) tablespace users;
Table created.
SQL>create index t2_ind on t2(id) tablespace inds;
Index created.
SQL>insert into t2 values (sysdate,1);
1 row created.
SQL>insert into t2 values (sysdate,2);
1 row created.
SQL>insert into t2 values (sysdate,10);
1 row created.
DBA user:
SQL>select segment_name,segment_type,tablespace_name
2 from dba_segments
3 where owner='SCOTT' and segment_name like 'T2%';
SEGMENT_NAME                   SEGMENT_TYPE       TABLESPACE_NAME
T2                             TABLE              USERS
T2_IND                         INDEX              INDS
SQL>alter tablespace inds offline;
Tablespace altered.
SQL>!mv /oracle/newdb/mydb/inds01.dbf /oracle/newdb/mydb/inds0001.dbf
SQL>alter tablespace inds rename datafile '/oracle/newdb/mydb/inds01.dbf' to
2 '/oracle/newdb/mydb/inds0001.dbf';
Tablespace altered.
SQL>alter tablespace inds online;
Tablespace altered.
scott user:
SQL>insert into t2 values (sysdate,20);
1 row created.
SQL>
SQL>select * from t2;
COL1              ID
22-NOV-07          1
22-NOV-07          2
22-NOV-07         10
22-NOV-07         20
SQL>commit;
Commit complete.

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