Re: Switchover to CAM ATA?

From: Daniel O'Connor <doconnor_at_gsoft.com.au>
Date: Tue, 27 Apr 2010 12:07:13 +0930
On 27/04/2010, at 5:18 AM, Lev Serebryakov wrote:

> Hello, Pawel.
> You wrote 26 апреля 2010 г., 23:10:12:
> 
>> You most likely got it right, I'm just saying creating separate GEOM
>> class for each metadata format is wrong direction. :)
> Does  ataraid  translations and checksuming (in case of RAID5) now or
> it configures chipsets only?
> 
>  All  these  ``raids'' are known as ``soft raids'' or ``fake raids'',
> but  what  does  do  real  work  -- BIOS or driver (Ataraid in case of
> FreeBSD)?

Both..
ataraid does it when FreeBSD is running but the BIOS does it before then so boot0, the loader, et al can read the disk without having an underlying driver.

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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Received on Tue Apr 27 2010 - 00:37:40 UTC

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