ORA-29701: unable to connect to Cluster Synchronization Service

Error:

ORA-01078: failure in processing system parameters
ORA-29701: unable to connect to Cluster Synchronization Service

Solution:

[grid@orcl ~]$ sqlplus / as sysasm

SQL*Plus: Release 11.2.0.1.0 Production on Mon Aug 20 21:26:26 2012

Copyright (c) 1982, 2009, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup
ORA-01078: failure in processing system parameters
ORA-29701: unable to connect to Cluster Synchronization Service
SQL> exit

[grid@orcl ~]$ crsctl start resource ora.cssd
CRS-2672: Attempting to start ‘ora.cssd’ on ‘orcl’
CRS-2679: Attempting to clean ‘ora.diskmon’ on ‘orcl’
CRS-2681: Clean of ‘ora.diskmon’ on ‘orcl’ succeeded
CRS-2672: Attempting to start ‘ora.diskmon’ on ‘orcl’
CRS-2676: Start of ‘ora.diskmon’ on ‘orcl’ succeeded
CRS-2676: Start of ‘ora.cssd’ on ‘orcl’ succeeded

[grid@orcl ~]$ sqlplus / as sysasm

SQL*Plus: Release 11.2.0.1.0 Production on Mon Aug 20 21:32:40 2012

Copyright (c) 1982, 2009, Oracle. All rights reserved.

Connected to an idle instance.

SQL> startup
ASM instance started

Total System Global Area 283930624 bytes
Fixed Size 2212656 bytes
Variable Size 256552144 bytes
ASM Cache 25165824 bytes
ASM diskgroups mounted
SQL>