You can use the /usr/openv/volmgr/bin/vmchange command to change the media
type.

(Change volume's media type)
       vmchange [-M <master_server>] [-h <volume_database_host>]
           -new_mt <media_type> -m <media_id> 

On Wed, 24 Jan 2001 Warren.Landrum AT microchip DOT com wrote:

> Hi,
> 
> I'm a new Veritas administrator who is having some problems that Veritas 
> Tech support could not provide me an answer with. Here's my situation.
> 
> I've got an NT Master/Media server that is controlling 2 jukeboxs. The one 
> jukebox (JB1), 2 DLT 8000 drives, is directly attached to master server. 
> The other jukebox (JB2), 2 DLT 4000 drives,  is directly attached to a 
> Network Appliance Filer.
> 
> When the consultant from Veritas came out and worked with me, he suggested 
> we make the media types of the two jukeboxes different, so that when we 
> pulled up the list of all Volumes, we could easily tell which jukebox a 
> tape should go in. For JB1, we used DLT - for JB2, we used DLT2. He 
> allocated some tapes that were in JB2 as DLT2 and everything was fine.
> 
> But here's the problem. I now need to put MORE tapes as Media Type DLT2 so 
> that I can put them in the scratch pool and the various classes that use 
> JB2 can grab them as I need them. In talking to Veritas Tech Support, the 
> guy said that if the Drive Type is DLT2 (which it is on JB2) and I put new 
> bar-code labled tapes in there and inventory them, it should pick them up 
> as DLT2. I did this and it did not happen.
> 
> So, bottom line, if I can figure out how to change the Media Type from DLT 
> to DLT2, I'll be all set.
> 
> Anybody have an answer?
> 
> Thanks in advance - I Hope!
> 
> Warren G. Landrum, Jr.
> Operations Supervisor
> NT/VMS Systems Administrator
> Microchip Technology
> w: 480-792-7746