rman recovery catalog hangs
i have a scenario here sm is my production db,catsvr is my recovery catalog db and both are in different servers. if i connect to recovery catalog like
rman catalog radmin\pwd target 'sys/pwd@sm as sysdba'
connected to target.....
connected to catalog .....
and when i run script it hangs and same thing happens when i schedule in windows.
1) checked alert log for errors -- none is there.
2)listener &TNS names are configured.
3) nothing shows up in session longops.
4) no wait events in context to rman.
5) large pool is configured and i couldn't find any errors
pls some one help me .....