I just did two test backups using a DDS-3 drive. One to a DDS-3 tape and
the other to a DDS-1 tape. Both with verify and both ran fine. And I
remember that with an upgrade I did two weeks ago from a DDS-1 to a
DDS-3 that I continued with the DDS-1 tapes until the DDS-3 tapes came
in. All of this with HP drives.
Adrian Smith wrote:
>
> This is from the pdf product info file I downloaded from Sony last
> year before we bought our drive
>
> >DDS-4 drives provide full backward compatibility with the
> >ability to read & write to DDS-3, DDS-2 and DDS-1 tapes.
> >While enabling tape sizes (and costs) to be matched to the
> >backup job, DDS-4 provides an easy upgrade path. Not only
> >is it possible to move up from one format to another but
> >also to operate in mixed environments.
>
> Hope that helps.
>
> Adrian Smith
>
> >I'll check this out later today.
> >
> >matt barkdull wrote:
> >>
> >> I don't think the DDS-3 drives will read the DDS-1 tapes, but will
> >> read the DDS-2.
> >>
> >> Basically this means they are one step backward compatible.
> >>
> >> DDS-3 will read/write DDS-2
> >> DDS-2 will read/write DDS-1
> >>
> >> DDS-1 cannot read/write DDS-2
> >> DDS-2 cannot read/write DDS-3
> >
> >
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