Triple boot Post: 29397

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Top Forums UNIX for Dummies Questions & Answers Triple boot Post 29397 by LivinFree on Friday 4th of October 2002 10:29:10 PM

10-04-2002

Registered User

Sharing partitions can be done, even as the OS loads, using the /etc/fstab file. You'll probably want to make the partition available only as data storage, since it's easier to make sure the filesystems are the same (ext2 is the safest in this case). If there are binaries, you may run into problems depending on the glibc versions used to compile them, and the library versions needed. They'd have to be so similar, it would take the point out of multi-booting.

If you want each to have it's own set of partitions, that'd be even better! Since the installation will set up partitions for you, just let it. I don't know how safe it is to use shared swap, either, but you may be able to share that.
For example, you could have it set up like this:
7.0 - / is hdb1, /usr is hdb2, swap on hdb3
7.3 - /boot is hdb4,/ is hdb5,/usr is hdb6, swap on hdb7
Or however you felt like setting it up...
Through the magic of extended partitions, it could work just fine!

Besides, why Redhat 7.0 and 7.3 on the same box? They're close enough that it's almost like having the same thing on there twice!

LivinFree

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systemd-gpt-auto-generator

SYSTEMD-GPT-AUTO-GENERATOR(8)				    systemd-gpt-auto-generator				     SYSTEMD-GPT-AUTO-GENERATOR(8)

NAME

       systemd-gpt-auto-generator - Generator for automatically discovering and mounting /home as well as discovering and enabling swap
       partitions, based on GPT partition type GUIDs.

SYNOPSIS

       /usr/lib/systemd/system-generators/systemd-gpt-auto-generator

DESCRIPTION

       systemd-gpt-auto-generator is a generator that automatically discovers /home and swap partitions and creates mount and swap units for them,
       based on the the partition type GUIDs of GUID partition tables (GPT). Note that this generator will execute no operation on non-GPT
       systems, on systems where the units are explicitly configured (for example, listed in fstab(5)) or where the mount point is non-empty.

       This generator will only look for partitions on the same physical disk the root file system is stored on. This generator has no effect on
       systems where the root file system is distributed on multiple disks, for example via btrfs RAID.

       This generator is useful for centralizing file system configuration in the partition table and making manual configuration in /etc/fstab or
       suchlike unnecessary.

       This generator looks for swap partitions using GPT type 0657fd6d-a4ab-43c4-84e50933c84b4f4f. It looks for /home partitions using GPT type
       933ac7e1-2eb4-4f13-b8440e14e2aef915.

       systemd-gpt-auto-generator implements the generator specification[1].

SEE ALSO

       systemd(1), systemd.mount(5), systemd.swap(5), systemd-efi-boot-generator(8), fstab(5)

NOTES

	1. generator specification
	   http://www.freedesktop.org/wiki/Software/systemd/Generators

systemd 208													     SYSTEMD-GPT-AUTO-GENERATOR(8)