[SunRescue] Max capacity of harddisk supported by SS20

[Camiel Vanderhoeven]

Why would you want a root partition of 4 GB???

Mike Hebel wrote:

> So basically the best course of action is to partition the 4gig into 2 -
> 2gig partitions or maybe a 1 and 3 combo.
>
> (Hmmm...I don't suppose OpenBoot PROM updates are available from Sun.)
>
> I guess I'll have to convince them to buy me an Ultra something then. *grin*
>
> Sincerely,
>
> Mike Hebel
>
> -----Original Message-----
> From: rescue-admin at sunhelp.org [mailto:rescue-admin at sunhelp.org]On
> Behalf Of Gregory Leblanc
> Sent: Thursday, July 20, 2000 10:43 AM
> To: 'rescue at sunhelp.org'
> Subject: RE: [SunRescue] Max capacity of harddisk supported by SS20
>
> > -----Original Message-----
> > From: Mike Hebel [mailto:druaga at pmail.net]
> > Sent: Thursday, July 20, 2000 8:38 AM
> > To: rescue at ohno.mrbill.net
> > Subject: RE: [SunRescue] Max capacity of harddisk supported by SS20
> >
> > Is there a FAQ on Openboot Prom revisions?  I have a SS5 with
> > a ROM of 2.15
> > and I'm about to re-partition (after backup) my 4 gig SCA
> > drive for more
> > space.  (Newbieness caused me to break / and /opt into two separate
> > partitions.)
> >
> > Am I going to have a problem booting if I make it all one big
> > drive of about
> > 4gig?
>
> Possibly.  If you happen to locate your kernel on the first 2GB of the disk,
> then you won't have a problem.  If you later patch the kernel, and it ends
> up after the first 2GB of disk, then you're SOL.
> I think that the 32-bit SPARCs can only address the first 2GB of disk.  The
> UltraSPARCs can address more.
>         Grego
>
> > -----Original Message-----
> > From: rescue-admin at mrbill.net
> >
> > No, what he means is that the kernel does not suffer from the 2GB
> > boundary. It's the OpenBoot PROM (In PC terms: the BIOS). It can't see
> > the kernel file if it's beyond the 2GB limit. That means you're OK if
> > your root (/) partition is within the first 2GB of the disk.
> >
> > Guess wrote:
> >
> > > Hi Leblanc,
> > >
> > > Do u mean newer version of kernel will take care of
> > > the 2GB boundary ? May I know which version of kernel
> > > is recommended ? Thank you.
> > >
> > > --- Gregory Leblanc <GLeblanc at cu-portland.edu> wrote:
> > > > > -----Original Message-----
> > > > > From: Mike Nicewonger
> > > > [mailto:twmaster at twmaster.com]
> > > > >
> > > > > I do not know what the max capacity is but I do
> > > > know you can
> > > > > use a 9 GB disk
> > > > > in the 20.
> > > >
> > > > 18GB disks will also work internally, assuming that
> > > > you can find a 1" SCA
> > > > drive.  The only issues are that the PROM can only
> > > > address 2GB of the disk,
> > > > so the kernel must be placed there to ensure that
> > > > things work properly.
> > > >       Grego
> > > >
> > > > > ----- Original Message -----
> > > > > From: Guess <guessfirst at yahoo.com>
> > > > >
> > > > > > Can someone pls tell me what is the maximum
> > > > > > harddisk(both internal & external) capacity
> > > > supported
> > > > > > by SparcStation 20 ? Can I use a 9GB(or even
> > > > bigger)
> > > > > > HD in this machine ? Thank you.
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