08-24-2006
Quote:
Originally Posted by Corona688
The bare minimum, as I see it:
- /dev/hda1 -- 200mb of ext2 to hold kernels and grub settings.
- /dev/hda2 -- 512mb, swap space. They can all use the same swap.
- /dev/hda3 -- A couple gigs of ext3 for common space. Mount it on something like /opt/shared for all three distros, so you can dump a file there in one distro, reboot into another distro, and still have that file.
- /dev/hda4 -- All remaining space, as an extended partition.
- /dev/hda5 -- First partition in extended partition. Holds root partition for Distro #1.
- /dev/hda6 -- Second partition in extended partition. Holds root partition for Distro #2.
- /dev/hda7 -- Third partition in extended partition. Holds root partition for Distro #3.
Thanx Corona688 for the info.
So, i'll be doing this --> CentOS = /dev/hda5
Fedora = /dev/hda6
Redhat = /dev/hda7
Seems like 'fun' in hell. Gonna update u guys as i go along the installation. I wonder if all distro can be up 1 at a time until all 3 are running or 2 down and 1 up? Any advice?
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LEARN ABOUT DEBIAN
kpartx
KPARTX(8) Linux Administrator's Manual KPARTX(8)
NAME
kpartx - Create device maps from partition tables
SYNOPSIS
kpartx [-a | -d | -l] [-v] wholedisk
DESCRIPTION
This tool, derived from util-linux' partx, reads partition tables on specified device and create device maps over partitions segments
detected. It is called from hotplug upon device maps creation and deletion.
OPTIONS
-a Add partition mappings
-r Readonly partition mappings
-r Read-only partition mappings
-d Delete partition mappings
-u Update partition mappings
-l List partition mappings that would be added -a
-p set device name-partition number delimiter
-f force creation of mappings; overrides 'no_partitions' feature
-g force GUID partition table (GPT)
-v Operate verbosely
-s Sync mode. Don't return until the partitions are created
EXAMPLE
To mount all the partitions in a raw disk image:
kpartx -av disk.img
This will output lines such as:
loop3p1 : 0 20964762 /dev/loop3 63
The loop3p1 is the name of a device file under /dev/mapper which you can use to access the partition, for example to fsck it:
fsck /dev/mapper/loop3p1
When you're done, you need to remove the devices:
kpartx -d disk.img
SEE ALSO
multipath(8) multipathd(8) hotplug(8)
AUTHORS
This man page was assembled By Patrick Caulfield for the Debian project. From documentation provided by the multipath author Christophe
Varoqui, <christophe.varoqui@opensvc.com> and others.
July 2006 KPARTX(8)