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Old 07-19-2009, 12:53 PM   #1
linus72
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grub, grub4dos, and syslinux questions...


hey everyone
was wondering can grub/grub4dos, on my ext3 usb, boot a fat32 partition with syslinux on it?

meaning
my usb, 1st partition would be sdb1 ext3 grub-installed
2nd partition on SAME usb is fat32 syslinux installed

the basic question is
How to get grub/grub4dos to somehow boot the fat32 2nd parttion??

the boot flag is set on the 1st partition with grub

my usb is setup as (hd0,0) with grub

can I somehow chainload it as with a windows dual-boot??

please help

REASON
I tried using my ext3 usb with ubuntu's casper-rw persistent
feature
sadly, it will not work on ext2/3 fs's

so, the other option is to boot ubuntu from the fat32
partition where the casper-rw is

I will also try putting ubuntu on 1st parttiion ext3
and casper-rw on 2nd partition fat32
but heard this doesn't work

thanks
 
Old 07-19-2009, 08:19 PM   #2
aus9
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hi

forgive me for asking questions but I am not sure what the issue is?

1) bios boots to first bootable device found in boot order.....I assumed...initially you need this to be usb.

but I now infer you do not want usb to be first detected device but use a hard drive bootloader with chainload to usb .....is that correct?

or

2) usb remains first device and menu has a chainloader...nah

or more specifically

3) some windows bootloader like ntldr or vista whatever...chainloads to usb bootloader?
 
Old 07-19-2009, 08:56 PM   #3
linus72
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hmmm
see the problem is any Ubuntu needs a fat32 partition
to have it's casper-rw so it's persistent

so, my usb is ext3 4gb, and so I had to make a small ~500mb fat32
partition to put the 400mb casper-rw in.

so, since I had to make a fat32 partition anyway
I was wondering if I could have grub boot syslinux in the fat32 partition
or vice-versa

cause see
here's what's on usb now
Quote:
helpers

grub
grub4dos
Super Grub Disk
FreeDOS (Balder)
FreeDOS (modified)
Smart Boot Manager
Graphical Boot Manager
Ranish Partition Manager
AIDA Diagnostic Tool
Hardware Detection Tool
HDD Diagnostic Tool
NT/XP/Vista Password Breaker
HDD Wipe Data Tool
PLOP Bootmanager
zorOS-3.6

distro's

Clonezilla Live 2009-jaunty
Fedora 11 Live lxde frugal persistent
NetbootCD 3.1.2 Net-install a Major Distro
Mini-PartedMagic
PartedMagic-4.3 frugal persistent
RescuePuppy49 frugal persistent
Sidux-2009-02-xfce frugal persistent
SystemRescueCD-1.2.2 frugal persistent
TinyCore_2.2rc2 frugal persistent
WattOS Beta 9.04 Liveusb frugal persistent
casper-rw is on 2nd fat32 partition
here's usb, which uses grub

Quote:
/dev/sdb1 boot* ext3 3.3gb
/dev/sdb2 fat32 475mb

so, to conserve space I didn't even want a fat32 partition but that's ubuntu for you
 
Old 07-19-2009, 11:37 PM   #4
Coburn64
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Maybe try adding a option to boot 2nd Partition, like root(hd0,1); chainloader +1 and such?
 
Old 07-21-2009, 07:50 AM   #5
aus9
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hmm if the fat is only persistent does that not equate to /home? so no need to be bootable but mountable?
 
  


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