On 9 Aug 2003, JondZ wrote:

> hi
>
> if i may jump in with a question--i've always wondered
> about this, since I do not have any hardware raid
> equipment (I just use software raid):
>
> Do the hardware controllers write data in a proprietary
> format, or do they write data in a "normal" fashion, so
> that when you pull out the disk you'd be able to read
> it without the controller?  I've often wondered if you
> need the same exact hardware controller to read the
> disk, for example if the controller breaks down?
>
> TIA,
>

In my experience with 3WARE RAID 1, No.  RAID 1 is implemented in a
different way by 3ware, and you just can't yank a drive from an mirror and
mount/boot it in another controller.  You need another 3ware to boot it
correctly.

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