Very low disk performance on 5.x

[Sten Spans]

On Mon, 2 May 2005, Poul-Henning Kamp wrote:

> In message <42763906.1040202 at centtech.com>, Eric Anderson writes:
>>> In message <6.2.1.2.2.20050502094757.037077f0 at mail.rfnj.org>, Allen writes:
>>>
>>> I just want to add:  This is why I really would love for us to have
>>> a real RAID3 implemetation.
>>>
>>> RAID3 is not commercially viable because windows cannot use non-512
>>> byte sectors.
>>>
>>> We can.
>>>
>>> RAID3 would scream for us.
>>
>> What about disk arrays that support RAID3?
>
> Would work for me, but most of them are dumbed down when they do RAID3:
> they have to hard format the disks to 128 byte sector sizes and similar
> madness in order to support 512 bytes sectors on the RAID3 volume.

I would really love the 512 + 8 byte checksum stuff that mainframes
and netapps do. Does GEOM simplify implementing something like this ?

-- 
Sten Spans

"There is a crack in everything, that's how the light gets in."
Leonard Cohen - Anthem