On 20/03/2010, at 08:32 , Tim Mooney wrote:

> In regard to: Re: [Networker] Volume capacity?, George Sinclair said (at...:
> 
>> Seems then that it's picking this up automatically? Is there any need for me 
>> to set the 'Volume default capacity'?
> 
> If the tape drives are actually configured as LTO4 drives, then I would
> say no.
> 
> Generally, you only want to override NetWorker's notion of a volume
> default capacity if you've done something like
> 
> - bought LTO-5 drives hot off the assembly line
> - are running a NetWorker version that doesn't yet have a built-in
>  idea of what LTO-5 drives have for capacity
> 
> 
> If NetWorker actually knows about the type of drive you have, then I
> would just leave volume default capacity alone.

Actually there's another good reason where you should be setting the Volume 
Default Capacity – and that's for use with VTLs. This way rather than NetWorker 
constantly reporting that it's getting a heck of a lot less capacity than 
expected on the virtual media (e.g., virtual media configured as LTO-4, but 
setup to be 100GB in size), it will react and work with media of the "correct" 
size. This is something I blogged about recently - 

http://nsrd.info/blog/2010/02/27/basic-svtls-and-default-media-sizes/

Cheers,

Preston.


--
Preston de Guise

http://nsrd.info/blog                           NetWorker Blog
http://www.enterprisesystemsbackup.com          "Enterprise Systems Backup and 
Recovery: A corporate insurance policy"




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