Newly relabelled disc unable to initialize to Solaris 8 login - please help

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Operating Systems Solaris Newly relabelled disc unable to initialize to Solaris 8 login - please help
# 1  
Old 12-02-2013
Question Newly relabelled disc unable to initialize to Solaris 8 login - please help

We are having a problem with initializing Solaris 8 installed on a Sunblade 1500 after having cloned the hard disc.

(The cloning process was done in a windows environment. Not a UNIX environment.)

Immediately after the cloning process neither hard disc would boot until the format label command was used to re-label the discs. Now they boot, but the previously installed Solaris 8 does not initialize to the login screen. Instead, the startup process dead ends in a black screen.

Any insight, suggestions, or comments would be greatly appreciated.
# 2  
Old 12-02-2013
Clone on a Solaris Sparc system!
Provided c0t0d0 is the original disk and c0t1d0 is the clone disk:
prtvtoc /dev/rdsk/c0t0d0s2 | fmthard -s - /dev/rdsk/c0t1d0s2
dd bs=1024k if=/dev/dsk/c0t0d0s2 of=/dev/dsk/c0t1d0s2

The prtvtoc transfers the Sparc disk label.
The dd transfers the disk data (this can perhaps be done on a Windows system as well).

Last edited by MadeInGermany; 12-02-2013 at 10:21 PM.. Reason: added missing if= of=
# 3  
Old 12-02-2013
Thank you very much for replying MadeInGermany. Is this the code used for doing the cloning using the Sun system instead of the windows environment?

Our first objective is to initialize the Solaris 8 on the original hard drive that has now been relabelled.

After that is done then we can think about the cloning process or a mirror again.

We are trying to be cautious so as to not lose the programs and data on the original hard disc.

We appreciate the code that you suggest. Could you please explain what this code is intended to accomplish and whether or not it could lead to a loss of data from the hard drive?

Thanks again.
# 4  
Old 12-02-2013
Yes, the prtvtoc reads the disk label (a few sectors) and pipes (feeds) it to fmthard that writes a disk label.
The dd command copies all disk data. (That can take several minutes.)
How does it boot? Does it say "is coming up"?
# 5  
Old 12-02-2013
I have a video posted to Youtube of the booting process but I am a newly registered user here so I have to surpass 5 posts before posting a URL. THis is the third,

---------- Post updated at 09:25 PM ---------- Previous update was at 09:24 PM ----------

---------- Post updated at 09:28 PM ---------- Previous update was at 09:25 PM ----------

I would like to post the URL already but the forum requires more comm.

---------- Post updated at 09:30 PM ---------- Previous update was at 09:28 PM ----------

Prueba de inicio

by edward ernesto Feliz

---------- Post updated at 09:35 PM ---------- Previous update was at 09:30 PM ----------

This is the link to a video of the booting process that may help in the diagnosis of the problem. Thank you all in advance for any possible assistance.

# 6  
Old 12-03-2013
1. Scrap your Windows clone-disk program! It seems to have written to the source disk, destroyed its disk label.
2. The disk label contains the partition table. A new disk label comes with a generic partition table. That means the first partition ("s0", where it boots from) has identical start, but its size is certainly different; after some writings to the disk it can lead to I/O errors. Also the other partitions (obviously only the "s1" that is used for swap) are apart from their original location.
3. The black screen (when it enters graphics mode) might be a different problem. Did you change the graphics card, or the monitor, or the monitor cable?
# 7  
Old 12-03-2013

Thanks again for your guidance.

The computer is at a repair shop and is connected to a monitor at the shop that is not it's SUN monitor via a cable that is not it's cable either.

Do you think it can make a significant difference connecting to the original monitor with original cable?

I'd like to know if anyone has had any similar experiences to this and if so how they were able to get the Solaris 8 login to come up normally again.

Thanks in advance for you kind assistance.
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