With the Master server controlling the EMM database in 6.x, I like to keep
the robotic control on the master just to centralize all media operations. 

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Paul 
Keating
Sent: Thursday, April 10, 2008 8:36 AM
To: Martin, Jonathan; Travis Kelley; veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] Robotic control host...master/media

If you've got a separate "backup fabric" and your master is not already
connected to it, then I wouldn't bother adding another HBA and occupy
another switch port just for that.

If it's a common fabric, I would add the robot on the disk HBA.

I like the centrality of having the robot on the master. With 6.x then
you could take any media server offline for maintenance without worry of
having to keep a particular one up because it's the robotic controller.

Paul
-- 


> -----Original Message-----
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu 
> [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf 
> Of Martin, Jonathan
> Sent: April 09, 2008 5:30 PM
> To: Travis Kelley; veritas-bu AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Robotic control host...master/media
> 
> 
> We've got the robot on the master here with two drives and no 
> issues.  I
> doubt the robot is going to do very much data transfer / 
> interfere with
> whatever disk activity you've got going on.  If you are using 
> 4Gb HBAs I
> don't see any reason to install a 2nd HBA just for the robot.
> Alternately the media servers can run the robot as well, we were
> configured like that before I upgraded to NBU 6.0.
> 
> -Jonathan 
> 
> -----Original Message-----
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
> [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Travis
> Kelley
> Sent: Wednesday, April 09, 2008 4:06 PM
> To: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] Robotic control host...master/media
> 
> We're implementing a san for our tape drives and I was just wondering
> where most of you guys have robotic control?  We currently use one of
> the media servers, but once we have the SAN configured I understand it
> can also be on the master.  I hesitatae to put it there because our
> master is attached to a different (disk) SAN for the catalog disks, so
> if I move robotic control to the master I have to add another HBA and
> burn another port on the switch.  Anyone have any compelling 
> reasons to
> move it to the master?
> _______________________________________________
> Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> 
> _______________________________________________
> Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> 
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