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changing disk controllers on a v240

This is a discussion on changing disk controllers on a v240 within the Sun Solaris Administration forums, part of the Solaris Operating System category; --> the disks in this machine are configured as c1t0d0 c1t0d1.I'm wondering how can you change the controller from c1 ...


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  #1 (permalink)  
Old 01-16-2008, 09:20 AM
zechs.marquie@gmail.com
 
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Default changing disk controllers on a v240

the disks in this machine are configured as c1t0d0 c1t0d1.I'm wondering
how can you change the controller from c1 to c0

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  #2 (permalink)  
Old 01-16-2008, 09:20 AM
Thomas Maier-Komor
 
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Default Re: changing disk controllers on a v240

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zechs.marquie@gmail.com wrote:
> the disks in this machine are configured as c1t0d0 c1t0d1.I'm wondering
> how can you change the controller from c1 to c0
>


the internal uata controller is c0.

But maybe one can trick the system into assigning it c1 by swapping the
relevant lines in /etc/path_to_inst. I have never done that and wouldn't
like to try it myself, but you are of course free to crash your own
system...

Would be interesting to know if it worked ;-)

Tom
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  #3 (permalink)  
Old 01-16-2008, 09:20 AM
Jorgen Moquist
 
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Default Re: changing disk controllers on a v240

zechs.marquie@gmail.com wrote:
> the disks in this machine are configured as c1t0d0 c1t0d1.I'm wondering
> how can you change the controller from c1 to c0
>

i guess the disks are c1t0d0 & c1t1d0 ?
the cd/dvd is using c0...
you can boot from cd or net
mount the c1 root disk to ex. /mnt
change all /mnt/dev/dsk.. /mnt/dev/rdsk/c1.. to c0..
remove /mnt/dev/cfg/0, move /mnt/dev/cfg/1 to 0
umount /dev/dsk/c1...
halt
ok. show-disks
select youre boot dev
ok. nvalias disk <ctrl-y>
ok. setenv boot-device disk
ok. boot -r
i have not tried this a i type, so be careful.

there is no problem using c1 as boot device.
i suggest you keep the current configuration
c1 as hard disks, c0 as cd/dvd.
/Jörgen
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  #4 (permalink)  
Old 01-16-2008, 09:20 AM
Jorgen Moquist
 
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Default Re: changing disk controllers on a v240

Jorgen Moquist wrote:
> zechs.marquie@gmail.com wrote:
>
>> the disks in this machine are configured as c1t0d0 c1t0d1.I'm wondering
>> how can you change the controller from c1 to c0
>>

> i guess the disks are c1t0d0 & c1t1d0 ?
> the cd/dvd is using c0...
> you can boot from cd or net
> mount the c1 root disk to ex. /mnt
> change all /mnt/dev/dsk.. /mnt/dev/rdsk/c1.. to c0..
> remove /mnt/dev/cfg/0, move /mnt/dev/cfg/1 to 0
> umount /dev/dsk/c1...
> halt
> ok. show-disks
> select youre boot dev
> ok. nvalias disk <ctrl-y>
> ok. setenv boot-device disk
> ok. boot -r
> i have not tried this a i type, so be careful.
>
> there is no problem using c1 as boot device.
> i suggest you keep the current configuration
> c1 as hard disks, c0 as cd/dvd.
> /Jörgen

oh, just forgot you must change /etc/vfstab to reflect changes.
/Jörgen
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