Folks, as I said. it works for us, we can backup and read/restore with same
LTO2 tape media on LTO3 and LTO2 tape drives. I am moving all our jobs from
L20 with LTO2 tape drives to L180 with LTO3 and continue to use LTO2 tape
media, until we have the same technology (LTO3 tape drives) at remote site.

Boris

On 12/20/06, Paul Keating <pkeating at bank-banque-canada.ca> wrote:
>
>  Based on my experience with this in the last year, I would have to
> disagree.
> The Ultrium series drives use a RFID chip in each cart which identifies
> the cart type to the drive.
> When you put an LTO2 cart into an LTO3 drive, it is detected as such, and
> the LTO3 drive will write to the tape in the "down-rev" format, so that the
> tape can continue to be read/written to, in the LTO2 drives.
>
> keep in mind...
>
> LTO drive will read and write LTO media
> LTO2 drive will read and write both LTO2 and LTO media.
> LTO3 drive will read and write both LTO3 and LTO2 media, as well as READ
> LTO media.
>
> Even once an LTO3 drive writes an LTO2 tape, or an LTO2 drive writes an
> LTO tape, the above hierarchy still applies.
>
> Paul
>
>
> --
>
>  -----Original Message-----
> *From:* veritas-bu-bounces at mailman.eng.auburn.edu [mailto:
> veritas-bu-bounces at mailman.eng.auburn.edu] *On Behalf Of *Wessam Aly
> *Sent:* December 20, 2006 8:32 AM
> *To:* Weber, Philip; Dave Brown
> *Cc:* veritas-bu at mailman.eng.auburn.edu
> *Subject:* Re: [Veritas-bu] LTO3 Read/Write LTO2
>
> Yes you're right, once you've written on any LTO tape using an LTO3 drive,
> you cant read it from an LTO2 or LTO1 drive.
>
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> La version fran?aise suit le texte anglais.
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