The dual boot installed but windows depends on writing a special boot.ini to
ONE disk. if that disk fails the second boot may also fail. Moreover live
backup from disk 1 to disk 2 cannot be done because both the disks will be
in service



--
Uncle John
"Pegasus (MVP)" <I.can@fly.com> wrote in message
news:%23mVywxS9FHA.600@tk2msftngp13.phx.gbl...
>
> "Uncle John" <unclejohn@uselesnospam.com> wrote in message
> news:%23Jlzq3Q9FHA.1276@TK2MSFTNGP09.phx.gbl...
>> For those interested in dual booting from different or twin identical OS
>> I
>> have happened on the following neat way of doing it:
>>
>> 1 Two disks master and slave, about same size. In my case SATA 74 GB
>> Westinghouse Raptor
>>
>> 2 Windows XP Pro installed with all apps on Master=Disk 0
>> 3 In Windows use CasperXP to diskcopy Disk 1 to Disk 2 (Windows 1 = Bios
> 0)
>> 4 Reboot, set the bios with Slave=Disk 0 as first had disk boot priority,
>> set Boot from CD as the first general boot device
>> 5a Leave the Windows CD in the Optical Drive and reboot take care not to
>> touch a key while rebooting or the CD will be fired up, the PC will boot
>> into the master Disk
>> 5b Take the CD out and Reboot. The PC will boot into the slave disk
>> 6 The slave disk in my case for backup is updated nightly by Casper XP
>> scheduled copy (System Restore has to be disabled on the slave to be able
> to
>> diskcopy properly.
>>
>> The behaviour of being able to select which hard disk will may be
>> specific
>> to my Gigabyte motherboard and Award bios, but the system will work,
>> ;less
>> sweetly simply but switching the hard disk boot priority in the bios
> before
>> booting
>>
>> Ainsi dit. ansi soit!-
>> Uncle John
>>
>>
>
> Why should I go to the trouble of modifying the BIOS each time I
> wish to boot to my other OS if I can have an OS selector in a boot
> menu provided by a boot loader, e.g. XOSL (which, incidentally,
> is free)? Seems to be a step backwards.
>
>