On 12/22/10 11:53 PM, Chris Baker wrote:
> I had to upgrade my backup drive. I went from 2 1TB drives in a RAID 0
> array to 2 2TB drives in a RAID 0 array. With the old drives and
> enclosure, my performance was about 4-5 MB per second. With the new
> drives, my performance is about 1.5 MB per second. This is terrible for a
> backup of any significance.
>
> Does anyone have any suggestions on why my bandwidth has gotten slower?
> Everything else is same as before.
Do the 2TB drives use 4K sectors? Those need a fairly recent kernel and
special
partition alignment to avoid having to read and rewrite partially filled
sectors.
--
Les Mikesell
lesmikes...@gmail.com
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