[SunRescue] Max capacity of harddisk supported by SS20

[GregoryLeblancGLeblanc at cu-portland.edu]

> -----Original Message-----
> From: Mike Hebel [mailto:druaga at pmail.net]
> Sent: Thursday, July 20, 2000 10:31 AM
> To: rescue at sunhelp.org
> Subject: RE: [SunRescue] Max capacity of harddisk supported by SS20
> 
> Mostly so I don't have to worry about space restrictions for 
> /var /usr /opt
> etc.
> 
> (Besides, kind of a moot point now - I partitioned the drive, 
> just to be
> safe, at 1.5G for / and the rest (- swap) as /opt.  It's 
> restoring from tape
> now.)
> 
> Is there something wrong with this or is this just "not a good idea"?

I wouldn't do this for a production server, but for temp/test servers and
workstations it's ok.  You can do nifty things like mount /usr RO, etc to
help keep things a bit more secure.
	Grego

> -----Original Message-----
> From: rescue-admin at sunhelp.org [mailto:rescue-admin at sunhelp.org]On
> Behalf Of Camiel Vanderhoeven
> Sent: Thursday, July 20, 2000 12:15 PM
> To: rescue at sunhelp.org
> Subject: Re: [SunRescue] Max capacity of harddisk supported by SS20
> 
> 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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