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# 1  
Old 11-14-2002
Question solaris dual boot

Hello friends,

On sparc 5 with solaris 8 i like to have dual boot with solaris 9.
is this correct that the minimum memmory must be 96 mb for dual boot?
do you recommand dual boot on unix?
solaris 8 will be the testing
environment and solaris 9 the production.
does any one has
this type of environment and what are the + and negatives if you can tell?

thru the new installation which method is prefarable to use and
in which partition to install the sollaris 9?

I general, how you can describe the successful steps- in order-
to follow from your point of view for this dual boot??

i will realy appreciate your thoughts and comments.

tnx,
grep
# 2  
Old 11-15-2002
Re: solaris dual boot

Quote:
Originally posted by grep
[B]Hello friends,

On sparc 5 with solaris 8 i like to have dual boot with solaris 9.
is this correct that the minimum memmory must be 96 mb for dual boot?
the only limitation i know is the amout of HDD spave you have.

Quote:
do you recommand dual boot on unix?
I've only tried Windows / Linux ...

Quote:
solaris 8 will be the testing
environment and solaris 9 the production.
does any one has
this type of environment and what are the + and negatives if you can tell?
pass ... Smilie

Quote:
thru the new installation which method is prefarable to use and
in which partition to install the sollaris 9?
well that just depends how you have split up your HDD's

Quote:
I general, how you can describe the successful steps- in order-
to follow from your point of view for this dual boot??
you could start by reading the linux duel boot notes.
# 3  
Old 11-19-2002
Question

In windows if you have dual boot when the system starts you can choose which operating system you like.
in unix can i do the same and how?


i have solaris 9 on the cdrom to install.
how do you detect the cdrom to install
the software?

tanks,
grep
# 4  
Old 11-19-2002
Hammer & Screwdriver

Grep
i have not tried this , but this might help u " dual booting " with sparc , try this and send back out put:
http://wwws.sun.com/software/linux/docs/dual_boot.html

good luck
raju
raju
# 5  
Old 11-20-2002
Using SPARC architecture-

Dual Boot

DESCRIPTION:
Can I have dual boot for Solaris 7 and 8 on one system with a single hard
disk?
SOLUTION:
The dual boot facility with two different OS's on single disk is
possible if Solaris is installed in following manner. (In this example we
have used Solaris 7 and Solaris 8.)
We need to have a single disk with a large capacity of 4gb or 8gb.
We will configure the dual boot in two parts:
Part-I
This gives steps to install Solaris 7 and Solaris 8 on one common disk
on different partitions.
Part-II
This gives steps to set nvalias commands to set appropriate devaliases
to boot with Solaris 7 and Solaris 8.
Part-I
Steps to install Solaris 7 and Solaris 8 on single disk.

Start with the boot cdrom with the Solaris 7 CD.

Select the customize option for installation.

During disk partitioning, select the manual partition option.

In partitioning you may select slice-0 for Solaris 7.

You may choose size as 2gb. Load everything in one partition. Leave the
remaining
space on the disk unutilized.

Select slice-1 as swap which may be used as common to both OS's (Solaris 7 and
Solaris 8).


Be sure to select slice-0, onto which you will copy everything (root, usr
etc).
Complete the installation.

Boot with the Solaris 8 CD.

Again select customize and manual disk partitioning.

Here you will see slice-0 and swap already present. Select slice-4 and
partition it with another 2gb.

Select the preserve data for other slices option. Again load everything
on slice-4 for Solaris 8. Complete the installation.


Part-II
Steps to set the proper device setting with the
nvalias command at the OK prompt.
This example uses an Ultra[tm]-5 system with IDE driveid 3.
Solaris 7 is installed on partition 0 and Solaris 8 on partition
4.

Come to the OK prompt by hitting STOP-A or CTRL-Break.
OK show-disks
This will list all the disk attached to system.
OK show-disks
a) /pci@1f,0/pci@1,1/ide@3/cdrom
b) /pci@1f,0/pci@1,1/ide@3/disk
c) /pci@1f,0/pci@1,1/ebus@1/fdthree@14,3023f0
q) NO SELECTION
Enter Selection, q to quit: b
/pci@1f,0/pci@1,1/ide@3/disk has been selected.
Type ^Y ( Control-Y ) to insert it at the command line.
For example, OK nvalias sol7 ^Y
for creating devalias
sol7 for /pci@1f,0/pci@1,1/ide@3/disk@0,0:a
OK
To set nvalias to boot with Solaris 8, use following steps at the
OK prompt:
OK nvalaias sol8 /pci@1f,0/pci@1,1/ide@3/disk0,0:d
Since we have installed Solaris 8 on partition number 4 of disk0 (that is,
partition d) we have mentioned disk0,0:d
If we type devalias at the OK prompt, we must see following strings
OK devalias
sol7 /pci@1f,0/pci@1,1/ide@3/disk@0,0:a
sol8 /pci@1f,0/pci@1,1/ide@3/disk@0,0:d
To boot with Solaris 8, type
OK boot sol8
To boot with Solaris 7, type
OK boot sol7
# 6  
Old 11-20-2002
Chk your applications/softwares compatibility with both the Solaris versions before installing.

~MK
minazk
 

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