Veritas-bu

[Veritas-bu] Drive Type

2006-07-19 08:08:33
Subject: [Veritas-bu] Drive Type
From: simon.weaver at astrium.eads.net (WEAVER, Simon)
Date: Wed, 19 Jul 2006 13:08:33 +0100
Thanks for the clarification Paul

Regards

Simon Weaver
3rd Line Technical Support
Windows Domain Administrator 

EADS Astrium Limited, B32AA IM (DCS)
Anchorage Road, Portsmouth, PO3 5PU

Email: Simon.Weaver at Astrium-eads.net



-----Original Message-----
From: Paul Keating [mailto:pkeating at bank-banque-canada.ca] 
Sent: 19 July 2006 12:58
To: veritas-bu at mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Drive Type




-- 


> -----Original Message-----
> From: veritas-bu-bounces at mailman.eng.auburn.edu
> [mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf 
> Of WEAVER, Simon
> Sent: July 19, 2006 2:15 AM
> To: 'Asiye.Yigit at gantek.com'; veritas-bu at mailman.eng.auburn.edu
> Subject: Re: [Veritas-bu] Drive Type
> 
> If I understand the question correctly, if you set a drive
> which is usually
> HCART3 and then change to HCART2, NetBackup treats the drive 
> as HCART2 - but
> I do not think it will load any HCART3 tapes in the robot.

True.

> 
> The reason why I say this, is because I had to perform a
> restore using an
> old HCART tape - drives are set for HCART3 - if the density 
> is not changed,
> Netbackup refuses the restore.

Exactly, unless you have one drive in the robot configured same as the tape.

> 
> If I change the density to HCART, netbackup uses the drive
> for the restore
> from HCART tape.

Yes....keep in mind, if your aligning HCART -> LTO1 and HCART3 ->
LTO3....the LTO3 drive can read the LTO cart, but cannot write to it......if
you leave your system configured such that an LTO3 drive and an LTO1 cart
are configured as the same type, you will get errors when Netbackup
eventually tries to put that tape in that drive to write to it.

It would be nice to be able to define the hierarchical backward
compatibility of media/drive types......

Paul

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