not able to boot from cdrom


 
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Operating Systems Solaris not able to boot from cdrom
# 1  
Old 12-30-2008
not able to boot from cdrom

Hi all am trying to boot the system from cdrom in single user mode , however when i am giving command boot cdrom -s i am getting below error

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



what could be reason for this
# 2  
Old 12-30-2008
Not sure but seems there is some issue with the alias of cdrom.

please help me as how can i set this,
as i tried running the show-disks ans select the path of cdrom then i need to run the nvalias cdrom2 then press CTL+Y i got the path , i am not sure as what should go on the target with path@?? as my system is ultra sparc 10

Please help
# 3  
Old 12-30-2008
first thing you have to check is the CD itself, try to boot from other CDs just to confirm the CD is functional, and you can also put the CD in another machine to confirm.


in the OK prompt, type

OK devalias


if the normal alias were not modified, you should see something like: cdrom cdrom1 cdrom2

try them all (boot cdrom2 or boot cdrom1 or boot cdrom0 )

other wise, go to the OS

type format

you will get disks, for example c0t1d0 and c0t2d0

then type ls /dev/dsk

say you find c0t1d0, c0t2d0 and c1t0d0

then c1t0do is the cdrom

type ls -l /dev/rdsk/c1t0d0s6

then you will get the path, note it, and try it in the OK prompt


I hope this help
# 4  
Old 12-30-2008
Thanks Dear,

I tried the CD and its working fine in another system.

i tried all the devalias option with boot however no help.

i an enter into OS and listed the /dev/dsk and got the below as output

c0t0d# c0t1d# and c0t2d# then in the /dev/rdsk i tried listing each of them and can see two as
ide@3/dad@0,0:a
ide@3/sd@1,0:a
ide@3/dad@2,0:a

i think second is the path to cdrom . am i correct? if yes then how should i set the alias as the above on OK prompt
# 5  
Old 12-30-2008
Quote:
Originally Posted by kumarmani
Thanks Dear,

I tried the CD and its working fine in another system.

i tried all the devalias option with boot however no help.

i an enter into OS and listed the /dev/dsk and got the below as output

c0t0d# c0t1d# and c0t2d# then in the /dev/rdsk i tried listing each of them and can see two as
ide@3/dad@0,0:a
ide@3/sd@1,0:a
ide@3/dad@2,0:a

i think second is the path to cdrom . am i correct? if yes then how should i set the alias as the above on OK prompt

first type "format" so that you can know which one is the cdrom.

second step, you can simply type the whole path

see you have /cdrom@0,0:f or /cdrom@1,0:f or /cdrom@2,0:f

you can try all of them, one by one:

Code:
ok boot /pci@1f,0/pci@1,1/ide@3/cdrom@0,0: f
ok boot /pci@1f,0/pci@1,1/ide@3/cdrom@2,0: f


but when you typed "ls -l /dev/rdsk/ are you sure you got the same path ? like ../pci@1,1/ide@3 <== it was always like this ? on the same bus ?

Last edited by Sun Fire; 12-30-2008 at 03:59 AM..
# 6  
Old 12-30-2008
Thanks again!

I tried that and its same
/pci@1f,0/pci@1,1/ide@3/cdrom@1,0: f is the cdrom . i set the bath also however now i am getting below error when i am trying to boot cdrom2

The file just loaded does not appear to be executable.
# 7  
Old 12-30-2008
Are you trying to boot a DVD onto a drive which is not supported?
What is the model of the system?
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