Veritas-bu

[Veritas-bu] Re: NBU support for mixed media

2000-08-24 11:32:04
Subject: [Veritas-bu] Re: NBU support for mixed media
From: Mandy_Bear mbear AT zombie.ncsc DOT mil
Date: Thu, 24 Aug 2000 11:32:04 -0400
Hi,

We have just been testing NBU/SSO with an STK 9740 which has both DLT and  9840
drives. When we inventory the robot, it does indeed see all tape media and does 
not
dsitinguish between the two types. We had to manually edit the volume database.

Mandy Bear.

> Message: 9
> From: KevinB AT paccessglobal DOT com
> To: david AT datastaff DOT com, mike_andres AT cnt DOT com
> Cc: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RE: [Veritas-bu] NBU support for mixed media
> Date: Wed, 16 Aug 2000 12:00:08 -0700
> charset="iso-8859-1"
>
> I have not done this (or known anyone that has) so I am not trying say this
> can be done, but why should NBU care if you have different media/drives in
> the same robot.  When you configure each drive in the robot you have to
> define what type of drive it is.  It would seem that the only issue would be
> knowing which slot contained which type of media.  In a dream world the
> robot should track that and pass it on to NBU.  In a practical work around
> world, it would seem that if you set up separate pools or volume groups for
> the different media it would work.  Has anyone tried it?  It seems that with
> different drive technologies coming on and HSM available this would be an
> important feature.
>
> -----Original Message-----
> From: David A. Chapa [mailto:david AT datastaff DOT com]
> Sent: Wednesday, August 16, 2000 10:08 AM
> To: Mike Andres
> Cc: 'Veritas NBU'
> Subject: Re: [Veritas-bu] NBU support for mixed media
>
> Ture, you may only have similar physical devices within
> a storage unit.  You're assumption is correct.
>
> David
>
> Quoting Mike Andres <mike_andres AT cnt DOT com>:
>
> > Hi,
> >
> >      Does anyone know if NBU supports mixed media
> (9840 and 9490) in an STK
> > Powderhorn library?  Would you just set up a
> different storage unit for
> > each
> > drive type?
> >
> >
> > thanks,
> > -mike
> >
> > _______________________________________________
> > Veritas-bu maillist  -  Veritas-
> bu AT mailman.eng.auburn DOT edu
> >
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-
> bu
> >
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> David A. Chapa                847 413 1144 p
> Director of Technology        847 413 1168 f
> DataStaff, Inc.               http://www.datastaff.com
> nbu-lserv AT datastaff DOT com       majordomo AT datastaff DOT com
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> _______________________________________________
> Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
>
> --__--__--
>
> Message: 10
> Date: Wed, 16 Aug 2000 14:46:53 -0500 (CDT)
> From: "David A. Chapa" <david AT datastaff DOT com>
> To: KevinB AT paccessglobal DOT com
> Reply-To: "David A. Chapa" <david AT datastaff DOT com>
> Cc: david AT datastaff DOT com, mike_andres AT cnt DOT com,
> veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RE: [Veritas-bu] NBU support for mixed media
>
> You are right, NetBackup doesn't care about what is
> contained within the physical robot.  It only becomes
> concerned when you begin to logically create the
> storage units.  For instance, Media Server (1) having
> all DLT technology in its storage unit and Media Server
> (2) having all 9840.  They can be in the same physical
> tape library, but must be in separate storage units by
> definition.  But I believe you do need to have multiple
> media servers.
>
> This configuration is quite common in larger sites.
>
> Incidentally with regards to the media question,
> netbackup tracks that based on the robot residence
> (such as TLD(0) TLD(1), etc.), therefore, it knows
> where the tapes belong.  Furthermore, from an
> administrative point of view a descriptive volume pool
> or volume group would probably help in this matter as
> well.
>
> David
>
> Quoting KevinB AT paccessglobal DOT com:
>
> > I have not done this (or known anyone that has) so I
> am not trying say this
> > can be done, but why should NBU care if you have
> different media/drives in
> > the same robot.  When you configure each drive in the
> robot you have to
> > define what type of drive it is.  It would seem that
> the only issue would
> > be
> > knowing which slot contained which type of media.  In
> a dream world the
> > robot should track that and pass it on to NBU.  In a
> practical work around
> > world, it would seem that if you set up separate
> pools or volume groups for
> > the different media it would work.  Has anyone tried
> it?  It seems that
> > with
> > different drive technologies coming on and HSM
> available this would be an
> > important feature.
> >
> > -----Original Message-----
> > From: David A. Chapa [mailto:david AT datastaff DOT com]
> > Sent: Wednesday, August 16, 2000 10:08 AM
> > To: Mike Andres
> > Cc: 'Veritas NBU'
> > Subject: Re: [Veritas-bu] NBU support for mixed media
> >
> >
> > Ture, you may only have similar physical devices
> within
> > a storage unit.  You're assumption is correct.
> >
> > David
> >
> > Quoting Mike Andres <mike_andres AT cnt DOT com>:
> >
> >
> >
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > David A. Chapa                847 413 1144 p
> > Director of Technology        847 413 1168 f
> > DataStaff, Inc.               http://www.datastaff.com
> > nbu-lserv AT datastaff DOT com       majordomo AT datastaff DOT com
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > _______________________________________________
> > Veritas-bu maillist  -  Veritas-
> bu AT mailman.eng.auburn DOT edu
> >
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-
> b




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