[oracle@localhost ~]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Sun Sep 13 22:18:29 2009

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup
ORA-29701: unable to connect to Cluster Manager
SQL>

[oracle@localhost ~]$ echo $ORACLE_HOME
/u01/app/oracle/product/10.2.0/asm
[oracle@localhost ~]$ echo $ORACLE_SID
+ASM
[oracle@localhost ~]$ echo $PATH
/usr/kerberos/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/home/oracle/bin:
/u01/app/oracle/product/10.2.0/asm/bin
[oracle@localhost ~]$

[oracle@localhost ~]$ su root
Password:
[root@localhost oracle]# /u01/app/oracle/product/10.2.0/asm/bin/localconfig delete
Stopping CSSD.
Unable to communicate with the CSS daemon.
Shutdown has begun. The daemons should exit soon.
[root@localhost oracle]# /u01/app/oracle/product/10.2.0/asm/bin/localconfig add 
Successfully accumulated necessary OCR keys.
Creating OCR keys for user 'root', privgrp 'root'..
Operation successful.
Configuration for local CSS has been initialized

Adding to inittab
Startup will be queued to init within 90 seconds.
Checking the status of new Oracle init process...
Expecting the CRS daemons to be up within 600 seconds.
CSS is active on these nodes.
        localhost
CSS is active on all nodes.
Oracle CSS service is installed and running under init(1M)
[root@localhost oracle]#

[oracle@localhost ~]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Sun Sep 13 23:00:35 2009

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup
ASM instance started

Total System Global Area   83886080 bytes
Fixed Size                  1217836 bytes
Variable Size              57502420 bytes
ASM Cache                  25165824 bytes
ASM diskgroups mounted
SQL>