Can't read disk label

Dear Sun experts,
I am trying to install Solaris 9 on a Sun Ultra 10 Sparc workstation. This system formerly had Solaris 8 on it, but we decided to do a reinstallation to configure things the way we wanted them.Before doing that we encountered a few problems
1.The system failed to recognize the Dell Ultra Sharp Monitor, when the signal cable was plugged into the port behind the computer. To solve this we researched and were told to remove the Video card attached to the mother board, and this we did.The system now recognized the dell monitor and booted in Solaris 8.
2.We ran sys-unconfig to reconfigure the system to change the hostname on a reboot.We powered off the computer.Afterward we would go through the sys-unconfig program in an indefinite loop.So I powered off the computer each time i got stuck.
3.Lastly I tried to do a STOP A to try to go to the 'ok' prompt in order to do a clean installation of Solaris 8 Installation CD, by running
ok boot cdrom [ENTER]
Here's what I am getting:
Boot device: /pci@1f, 0/pci@1,1/ide@3/cdrom@2,0:f File and args:
Can't read disk label.
Can't open disk label package
Can't open boot device
ok
[end]
I want to do a clean installation of the Solaris 9 CD on the sparc ultra 10 computer.Please can anyone help me out? I looked at the solaris 9 installation guide, and it asked that I follow this procedure. Please respond if you can help.
Also of note is that I got this system from a user who had installed Solaris 8 sparc on it earlier.
Thanks a million!
Omon

Hi!
After a day fighting with same problem and found no good solution on the internet , I was able to do a workaround in order to be able to boot my sun bade 1500 that was giving the "can't open disk label" message.
I found no source of the problem but someone with more knowledge could guess. (maybe a default bad alias definition of cdrom ��?)
Well, first of all I plugued a normal IDE CDrom as primary slave, leaving IDE HD as primary master. And inserted solaris 8 installation CD (as it was my only solaris bootable CD, but I guess that I oculd boot any other CD).
After that, I went to the openboot prompt (ok>) and did next:
ok devalias cdrom - this will show you current path to internal CD. Use this to determine what new alias should look like.
ok setenv auto-boot? false
ok reset-all
ok probe-scsi-all - find the path to the new cdrom - write it down & write target # as well
ok show-disks - find the exact path you just wrote down and type that letter
ok nvalias cdrom2 [Ctrl] + [y] which will paste that path. Finish with @sd1,0:f AS IT's PRIMARY SLAVE
ok reset-all
ok boot cdrom2
I found this part in http://www.experts-exchange.com/Operating_Systems/Solaris/Q_ 20757891.html
except teh @sd1,0:f, I found that with my good luck!
After that I was able to boot with CD. the installation failed, but at least I was able to mount / filesystem and modify my /etc/passwd ... my target!
HTH
Cheers!

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Can' t read disk label, install issues

can' t read disk label, install issues
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Folks !
I am trying to boot Sun Blade 100 from its internal IDE CD-ROM drive
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http://www.adminschoice.com
Folks !
I am trying to boot Sun Blade 100 from its internal
IDE CD-ROM drive
using the Solaris 8 boot/installation CD (01/01). When
I give the command
"boot cdrom" from ok fromt in OpenBoot, disk seems to
spin for a moment
(green light comes on) but it eventually fails
complaining:
can't read disk label
can'open disk label package
failed to open boot device.
I have tried following (all to no avail)
"boot /pci@1f,0/ide@d/cdrom@1,0:f" since devalias
shows that cdrom is aliased to above. I also tried
cdrom@0,0:f, but same result.
tried boot/installation CD from Solaris 9
did set-defaults reset-all
checked probe-ide and show disks output to make sure
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swapped another IDE CD-ROM drived pulled from a PC. It
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Makes me wonder if PROM/NVRAM is corrupted. Hard disk
drive is trashed as such (another Blade 100 problem,
since it was crashing
often, I had to force powerdown using the switch
eventually leading
to corruption of basic files like
/usr/lib/libnsl.so.1, so I can't force fsck)
I have to boot from CD to recover the machine and
hopefully
repair the disk drive or swap it out and upgrade to
Solaris 9.
any help would be appreciated.
thanks very much.
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[email protected]
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Can't open disk label

Hello world !!:
I'm installing a Tape in my Sparc 5. The system works whit Solaris 2.4.
When I boot the system without the tape it starts normally. But, the problem is when I put the tape... and I have this message:
Can't read disk label
Can't open disk label package
Can't open boot device
In the prompt I did:
ok probe-scsi-all
Target 3 Disk SEAGATE
Target 4 Removable only Tape ARCHIVE // my TAPE
Target 6 Removable Read only device TOSHIBA XM- // my CDROM
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Can't open disk label package
Can't open boot device
I check with the commnad 'devalias' and all the paths are ok. I probe when 2 different tapes and I format the disk using the command format booting the system without the tape . But I've the same error when the tape is connected.
Someone can help me? Thanks a million
[email protected]
HPP

Hello worl !:
I'm installing a Tape in my Sparc 5. The system works whit Solaris 2.4.
When I boot the system without the tape it starts normally. But, the problem is when I put the tape... and I have this message:
Can't read disk label
Can't open disk label package
Can't open boot device
In the prompt I did:
ok probe-scsi-all
Target 3 Disk SEAGATE
Target 4 Removable only Tape ARCHIVE // my TAPE
Target 6 Removable Read only device TOSHIBA XM- // my CDROM
ok boot -r
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Can't open disk label package
Can't open boot device
I check with the commnad 'devalias' and all the paths are ok. I probe when 2 different tapes and I format the disk using the command format booting the system without the tape . But I've the same error when the tape is connected.
Someone can help me?
[email protected]
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Hello worl !:
I'm installing a Tape in my Sparc 5. The system works whit Solaris 2.4.
When I boot the system without the tape it starts normally. But, the problem is when I put the tape... and I have this message:
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ok probe-scsi-all
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Target 4 Removable only Tape ARCHIVE // my TAPE
Target 6 Removable Read only device TOSHIBA XM- // my CDROM
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[email protected]
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Sun Blade T6340 Server Module, No Keyboard
Copyright 2009 Sun Microsystems, Inc. All rights reserved.
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