RMAN has a "timeout" parameter that might help.  cheers, wayne

ida3248b at post.cybercity.dk wrote, in part:
> Have you raised the CLIENT_READ_TIMEOUT and CLIENT_CONNECT_TIMEOUT values ?
>
> Raising these values have solved similar problems for me.
>
>
> On Fri, 22 Dec 2006 06:03:32 +1100, Jim McD wrote
>   
>> Hi
>>
>> I think RMAN agent backups fail if they have to wait for media
>>
>> Anybody else seen this behaviour or know of a fix?
>>
>> NBU= 5.1 MP3 & MP5
>>
>> RMANs persistantly and randomly  failing due to media errors.  They seem to 
>>     
> occur on unix clients where the RMAN script does many databases in parallel.
>   
>> We don't have wintel oracle
>>