Re: Promise raid controller writes to disk, anybody know where?

[Soeren Sonnenburg <reiserfs@nn7.de>]

On Wed, 2003-04-16 at 23:38, Anders Widman wrote:
> > Yes, I just threw 2 promise controllers away because the drivers are
> > damn instable (at least for kernels 2.4.19- 21pre7).
> 
> > If you don't want to risk unnecessary crashes buy a controller that is
> > *really* supported like the highpointech/cmd/3ware/via ones.
> 
>   Just a note on this. I have found that Promise controllers (at least
>   the  Ultra  100  Tx2  ones)  have  a nasty incapability problem with
>   Maxtor  drives.  This cause me to have all sorts of random problems.
>   Once  I  moved  the  Maxtor  drives to the VIA controller everything
>   runs fine so far.

Well I never had random problems with these controllers (ultra tx2).
They just did crash when I was causing to much io. (raid5 on linux
software raid here, rebuilding the raid and running bonnie at the same
time was enough. all I could do is go down and disable DMA or go to
UDMA0 not sure whether that was enough). 

>   Now I am only running Seagate and IBM on the Promise controllers and
>   it  is  fine. The new Maxtor (which uses Quantum labeled chips) seem
>   to work good too.

they crash at least with maxtor and wdc drives. no no it is the
controller this time.

Soeren.