[SPARCbook] Re: Sparcbook digest, Vol 1 #334 - 3 msgs

[Ken Hansen]

do you have dev/sr0? My SS/20 has both a /dev/sr0 and a
/dev/dsk/c0t6d0s[0-7].

I would imagine both are created at about the same time...

What does probe-scsi tell you? If the Openboot PROM can not find the drive,
Solaris doesn't have a chance...

Ken
----- Original Message -----
From: "Federico Lucifredi" <flucifredi at acm.org>
To: <sparcbook at sunhelp.org>
Sent: Tuesday, November 14, 2000 4:02 PM
Subject: [SPARCbook] Re: Sparcbook digest, Vol 1 #334 - 3 msgs


> Thomas  wrote:
> > On my 3GX, (and under solaris) the cdrom is at /dev/sr0, which is a
> symbolic
> > link to /dev/dsk/c0t6d0s2. Boot cdrom should suffice. Are you sure you
> have a
> > cdrom that is supported as bootable? Check the sector size on the cdrom
> and
> > ensure it is at 512 bytes per sector, not 2048 bytes.
>
> Yes - the CD was designed for Sun and is bootable. Sector size is correct.
> As I said above, I have no /dev/dsk/c0t6d0s* device files, and I need to
> know how to create them, since boot -r and touch /reconfigure + reboot do
> not work in this case. Please, cfr my previous message: I know it is long,
> but I am way past the sector size problem.....
>
> > Hugo wrote:
> >
> > >Take a look at the proper information:
> > >http://www.solariscentral.org/
> > >
> > >Here you will find a CD-ROM document that shoudl explain it all.
> >
> > ... and ....
> >
> > >To boot from an external SCSI CD-ROM the SUN CD-ROM FAQ is the proper
> > >document to read.
> > >
> > >http://saturn.tlug.org/suncdfaq/
> >
> > I knew the second one already - and it does not help.... enough. I did
> some
> > progress today, though.
> >
> > I verified from the second FAQ that, as I recalled, under solaris 2.5.1
> the
> > CD-ROM has to be on SCSI-ID 6. And there it is. However, it does not get
> > recognized by the procedure
> >
> > touch /reconfigure
> > reboot
> >
> > nor does boot -r help. My CD drive at ID 6 has no /dev/rdsk or /dev/rdsk
> > device files (how do you call these in solaris ?), in spite of it
testing
> > positively to a probe-scsi at the prom (answers at /dev/dsk/c0t6d0s0 (PD
> > drive) and /dev/dsk/c0t6d0s1 (CD-ROM).
> >
> > Today's progress : I tested the prom and although a printenv has a
> variable
> > "boot devices" (or something similar - can't remember ) that lists only
> net
> > and floppy, the command "boot cdrom" is accepted - but it goes on to
> > c0t6d0s0 - the PD drive. When i issue a "boot
> > /iommu/sbus/espdma at 4,8400000/esp at 4,8800000/sd at 6,1:d /kernel/unix" I see
> the
> > drive light seeking, until it tells me that there is no /kernel/unix
file
> on
> > that Cd, which is actually true =)
> >
> > So - I have two questions:
> >
> > 1) what does the "d" at the end of boot
> > "/iommu/sbus/espdma at 4,8400000/esp at 4,8800000/sd at 6,1:d" mean ? I copied
the
> > string from what the "boot cdom" command issues and only changed
> "...6,0:d"
> > to "6,1:d", but while I understand the rest of the string somewhat, I
> wonder
> > about that last letter (I also saw a "c" on an example found on the
net).
> >
> > 2) I would like to know how to modify the prom command "boot cdrom' so
> that
> > it boots with my modified string above instead of the wrong one
currently
> in
> > memory. I could not find sufficient information on how to do this (in
> fact,
> > I do not understand where the cdrom value is, since it does not seem to
be
> > showing under printenv....).
> >
> > 3) MOST IMPORTANTLY, I need a tip on how to get the darn device files
> > created, since I do not know how to mount
> > "/iommu/sbus/espdma at 4,8400000/esp at 4,8800000/sd at 6,1:d" -- which would be
> the
> > solution to my chief problem.
> >
> > Thanks for your help!!
> >
> >     Federico
> > _________________________________________
> > -- "'Problem' is a bleak word for challenge" - Richard Fish
>
> and
>
> > half an hour ago I incorrectly wrote:
> >
> > >positively to a probe-scsi at the prom (answers at /dev/dsk/c0t6d0s0
(PD
> > >drive) and /dev/dsk/c0t6d0s1 (CD-ROM).
> >
> > I believe my memory is failing me and the correct lines should read
> >
> > "positively to a probe-scsi at the prom (answers at /dev/dsk/c0t6d0 (PD
> > drive) and /dev/dsk/c0t6d1 (CD-ROM)."
> >
> > I also think I understood the answer to the "d" question... is it a
fancy
> > sintax for the slide ? It would make sense, since bootable Sun CDs
should
> > contain different architectures.... under this assumption, "d" = sun4m
> >
> > Am I guessing right ?
> >
> > Federico
> > _________________________________________
> > -- "'Problem' is a bleak word for challenge" - Richard Fish
>
>
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