Re: [PATCH] SCSI midlayer power management

Patrick Mansfield
2004-08-12T16:46:36Z

On Thu, Aug 12, 2004 at 09:41:00AM -0400, Nathan Bryant wrote:
> James Bottomley wrote:
>
> >Why? We don't do a bus reset on boot, why should we need to do one on
> >resume? For FC, the equivalent, a LIP Reset can be rather nasty on a
> >SAN and should be avoided.
> >
> >
> that can be host specific. aic7xxx does a bus reset on boot, so i
> preserved this on resume.

It can be changed via the "no_reset" option, that should probably be
honored for resume.

> don't know why they do it, but they do.

I used to use no_reset, as well as bios no reset (or is it no spin up?) to
decrease boot time, until a crash hung the bus and the system could not
boot. I suppose letting the bios reset would have gotten around the
problem, I can't remember.

-- Patrick Mansfield