Subject: Re: comparing raid-like filesystems
To: Martin J. Laubach <>
From: Manuel Bouyer <>
List: current-users
Date: 02/02/2003 15:03:29
On Sun, Feb 02, 2003 at 01:31:25PM +0000, Martin J. Laubach wrote:
> |  Sorry, I miss remembered. The limit for IDE is 128k, not 64 (and much highter
> |  with the extended read/write commands).
>   So basically we want either
>   (a) a (much?) larger MAXPHYS
>   (b) no MAXPHYS at all and let the low level driver deal with
>       segmenting large requests if necessary

(c) a per-device MAXPHYS

I had patches for this at one time, but it was before UVM and UBC.
I have plans to look at this again

Manuel Bouyer <>
     NetBSD: 24 ans d'experience feront toujours la difference