Depends which licensing model you're following.
If you have an Enterprise site license, fine.
I think Jon and I are both licensing the robots and a "per drive" scheme, in
which case we're both paying for our VTLs.
However, since you can create a ridiculous number of virtual drives on a VTL it
makes more sense to license by provisioned storage in almost any case, then you
can have as many drives as you want.
Paul
--
> -----Original Message-----
> From: Kevin Whittaker [mailto:Kevin.Whittaker AT syniverse DOT com]
> Sent: July 30, 2007 10:18 AM
> To: Dyck, Jonathan; Paul Keating; Justin Piszcz
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RE: [Veritas-bu] Has anyone done benchmarking of any
> sort with..
>
>
> Well, actually if your VTL masks itself as a regular robot...
> Licensing is non-existent.
>
> Because the EMC CDL/EDL that I have can look like an L700E
> and I already have the license for a robot like this, and I
> have enterprise licenses then I had to pay nothing extra thru Veritas.
>
> Kevin
>
> -----Original Message-----
> From: Dyck, Jonathan [mailto:Jonathan.Dyck AT cognos DOT com]
> Sent: Monday, July 30, 2007 10:01 AM
> To: Paul Keating; Justin Piszcz; Kevin Whittaker
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RE: [Veritas-bu] Has anyone done benchmarking of any
> sort with..
>
> Hey Paul,
>
> Have you actually tried to implement this before (same STU
> being used with multiple policies, two (or more) different
> MPX levels)? Yours is the same theory I figured on, being
> that the lowest MPX number wins out, but I've observed
> differently when actually implementing it (NBU 5.1 MP5).
>
> When I spat the failure (the fact that lower levels of MPX
> were obviously writing to higher levels MPX streams) out to
> support, they basically said I had 3 options: 1) different
> volume pools for the different MPX policies, 2) different
> retentions for the different MPX policies, 3) create separate
> STUs for the different MPX policies.
>
>
>
> Question on VTLs, the only reason I could see you wanting to
> MPX anything on them would be to save $$. Symantec has two
> options (I think?) "license per virtual drive" or "license
> per TB used" last I checked into it. Any technical reason
> anyone can think of to MPX data onto a VTL?
>
> Cheers,
> Jon
>
>
>
> -----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: Friday, July 27, 2007 9:24 AM
> To: Justin Piszcz; Kevin Whittaker
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Has anyone done benchmarking of any
> sort with..
>
> Yes they do.
> :o)
>
> I think what kevin was getting at, and what you were asking about, is:
>
> If you set the MPX=1 in the schedule, regardless of the MPX
> level of the STU, the "lowest" number is the one that is observed.
>
> F'rinstance, you've got 2 jobs running....schedule and STU
> MPX=4, so effectively, you could start two more jobs and they
> would start streaming to the same tape.
>
> If you start a single job in another policy with MPX=1, even
> though there are 2 streams "available" on that drive, the
> MPX=1 job will wait untill it can have sole use of the drive
> before it starts, as the sched limits MPX=1.
>
> 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 Justin
> > Piszcz
> > Sent: July 27, 2007 9:02 AM
> > To: Kevin Whittaker
> > Cc: veritas-bu AT mailman.eng.auburn DOT edu
> > Subject: Re: [Veritas-bu] Has anyone done benchmarking of any sort
> > with..
> >
> >
> > VTLs seem nice in this regard then :)
> >
> > Justin.
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