MAX_ROLLBACK_SEGMENTS

Parameter type	Integer
Default value	MAX(30, TRANSACTIONS/TRANSACTIONS_PER_ROLLBACK_SEGMENT)
Parameter class	Static
Range of values	2 to 65535

MAX_ROLLBACK_SEGMENTS specifies the maximum size of the rollback segment cache in the SGA. The number specified signifies the maximum number of rollback segments that can be kept online (that is, status of ONLINE) simultaneously by one instance.

See Also: Oracle9i Database Administrator's Guide for more information on setting this parameter