booting multiple OS

ruscook ruscook_oz at yahoo.com.au
Mon Aug 27 00:30:07 UTC 2007


I've a question re: "best practice" for booting multple OS off a single HDD.

I'm looking at trying the following:
Gutsy
Suse
Sabayon
Fedora
PCBSD

I've got a "test" machine setup - Dell GX270 with a 200GB HDD. I've 
partitioned it as:
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda10            20472576  10251260  10221316  51% /
udev                     10240       200     10040   2% /dev
/dev/sda11            30685172    349644  30335528   2% /home
/dev/sda1               381138    107833    253627  30% /boot
/dev/shm                250836         0    250836   0% /dev/shm
/dev/sda9             19840892   2930772  15885980  16% /media/fedora
/dev/sda8             20472576   2771196  17701380  14% /media/ubuntu
/dev/sda7             20472576   1944916  18527660  10% /media/suse
/dev/sda5             20472576       544  20472032   1% /media/disk
/dev/sda6             20472576   2726132  17746444  14% /media/disk-1

The first problem I have so far is each OS I install overwrites the grub 
config of the previous one, rather than adding to it.

Should I use ONE /boot (dev/sda1 in this case) and share it with all OS 
or should I just leave /boot as part of the / of each OS (i.e. have a 
separate /boot for each OS)? If I use a separate boot partitions for 
each OS, how do I do multi-boot?

The second issue, I've made a primary partition for BSD (as it doesn't 
seem to work with logical partitions), but I'm not sure how to install 
the BSD boot loader. Should it go at the beginning of the partition I 
install BSD to and try and make sure I leave the MBR for GRUB?

Thanks

-- 

Kind Regards Russell
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