ora-19550无法在使用调度程序时使用备份/恢复功能

RMAN register database; RMAN-00571: =========================================================== RMAN-00569: =============== ERR...
RMAN register database; RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of register command at 05/07/2007 10:32:31
RMAN-03014: implicit resync of recovery catalog failed
RMAN-03009: failure of full resync command on default channel at 05/07/2007 10:32:31
ORA-19550: cannot use backup/restore functions while using dispatcher
Cause An attempt was made to use backup/restore functions while connected to the dispatcher in a multi-threaded server. This is not allowed because the device that is used for backup and restore must remain allocated to a single process.

shared server configuration, as indicated by (SERVER=shared).

(DESCRIPTION= 

 (ADDRESS=(PROTOCOL=tcp)(HOST=sales-server)(PORT=1521))

 (CONNECT_DATA=

 (SERVICE_NAME=sales.us.acme.com)

 (SERVER=shared)))

If you want the client to use a dedicated server, you can specify (SERVER=dedicated) in place of (SERVER=shared). If the SERVER parameter is not set, then shared server configuration is assumed. However, the client will use a dedicated server if no dispatchers are available.