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Defining Storage Units

Updated: 23 May 2010 | 5 comments
Brian Hesseling's picture
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I have a master server that controls my robot along with having two LTO3 drives directly attached to it via fiber. I also have a media server with the other two drives in the library directly attached to it. Right now there are two storage units defined, one for each server with two drives in each. Can I break these drives into 4 individual storage units? The admin guide says that drives of the same type on the same server must be in the same storage unit. My support (via Versitec) says that I can break them up. Any suggestions?

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Stumpr2's picture
14
Aug
2007
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Can I break these drives into 4 individual storage units?
 
..you can break them up into 40 storage units.
 
 
Brian Hesseling's picture
14
Aug
2007
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....but should I???

I am trying to make sure I am getting maximum utilization on my drives. Right now when I am running say an NDMP backup it takes a whole storage unit (2 drives) even though it is only using 1 of them.

Rakesh Khandelwal's picture
14
Aug
2007
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You can create multiple storage units using the same drives but keep in mind, more storage units may increase your initial media usage.
Chia Tan Beng's picture
15
Aug
2007
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Brian Hesseling wrote:
NDMP backup it takes a whole storage unit (2 drives) even though it is only using 1 of them.


I'm not too sure whether this is how NDMP work on storage unit but you can create a new storage unit with single drive (without changing your existing one) and assign this newly created storage unit to NDMP backup. In short, drives in storage units can be "overlap".  

Brian Hesseling's picture
15
Aug
2007
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so they can overlap in both storage units and storage units can overlap in storage groups?