SRVCTL (to manage cluster resources and databases)
From Robs_Wiki
Examples
-- change the spfile location [oracle@exa-dm1dbadm01 ~]$ srvctl modify database -db prod03 -spfile "+DATAC1\PROD03\PARAMETERFILE\spfile.ora"
-- change the spfile location [oracle@exa-dm1dbadm01 ~]$ srvctl modify database -db prod03 -spfile "+DATAC1\PROD03\PARAMETERFILE\spfile.ora"