SOLVED!!! Re: [rescue] Ultra 30 and Maximum Drive Size

[George Adkins]

erm, no.  disable sync negotiation just tells the disk not to argue with the 
host adapter about sync speed, i.e. to just shup up and take what it's 
offered, not try to negotiate the speed from it's end.

Older Mylex DAC960's also sometimes have this problem when hooked to newer 
drives.



> Erm, disable sync negotiations should be a very bad thing shouldn't
> it?  Or does it just force the disk into sync?
> 	Nick
>
> On Tue, 1 Jan 2002, Gary Nichols wrote:
> > Well I'll be a monkey's uncle.
> > (No Dave, she's not cute!)
> >
> > So I'm staring at the jumper blocks of some other IBM drives I have
> > laying around and notice that a few have a jumper set.  DING DING DING!
> >
> > Turns out that the 18GB IBM drive I installed didn't have the 'disable
> > sync negotiations' jumper set.  After I set the jumper I popped the
> > drive back in and BAM autoboots just fine.   I just added a second
> > 18GB drive to hang /export/home off of and life is so, so good.
>