Check your timers for the library. It is possible that the mount request 
exceeded the Operation Lifespan or timeout and required the tape to manually be 
inserted.

-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On 
Behalf Of psoni
Sent: Thursday, May 07, 2009 9:41 AM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: [Networker] Waiting for media error

One of the groups hung last night with this error message. 

media request alert: Waiting for  writable volumes to backup pool <Pool_Name>' 
disk or tape on NW server.

Now that pool has two (appen) volumes but NW failed to mount them 
automatically. In the morning I manually loaded the volume in the drive and 
backup then completed successfully.

It doesn't happen all the time.(NW 7.3.3)

Pls advice.

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