RE: What partition should the MTMKPART argument specify? Was: Re: st driver doesn't seem to grok LTO partitioning

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My applogies:

> It may be worth noting (if you're going to update any documentation) that
> isn't 100% accurate. You actually get one wrap in partition 1 and the rest
> minus one wrap into partition 0. There is one wrap used as a guard between
> the two partitions. The size given to a partition is rounded up to the size of a
> wrap as well.
> 
> See
> https://docs.oracle.com/cd/E21419_04/en/LTO5_Vol3_E5b/LTO5_Vol3_E5b.
> pdf
> 
> Page 100 where it gives examples of how partition sizes are calculated on HP
> LTO5 drives.

I should have actually said:

You do get two wraps as a minimum in partition 1 and the rest minus two wraps
into partition 0. The extra two wraps are used as a guard between the two partitions
and all sizes will be rounded to a multiple of two wraps.

That was just to make it clear that partition sizes will always end up being a multiple
of 2x the wrap size and that there was some fixed overhead in partitioning an
LTO5+ drive (2 wraps).
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