linuxaudio.org

On Wed, Sep 14, 2011 at 11:11 AM, Dave Phillips  wrote:

quoted text
> Jeremy Jongepier wrote:

>>

>> This looks like Grub2 stuff but I found here F14 uses Grub legacy ...

>

> Hi Jeremy,

>

> Thank you for the detailed instructions. Unfortunately they didn't work.

> /dev/sdb1 contains only the grub directory, the kernel image, and a few

> other files. Neither /root nor /boot are present on sdb1.

>

> When I tried to mount /dev/sdb2 I got an error that said the filesystem

> (LVM-something) was unrecognized. I find it fascinating that a file system

> installed by Fedora 14 is not recognizable by Fedora 14. Sigh.

>

> Well, unless anyone has a better idea, I'm not wasting any more time on

> Fedora, sad to say.

the fundamental problem here is that Fedora uses LVM as its default

partition type, and this is not supported by a variety of older/other

linux distributions.
you can mount the LVM disk, but not by just using mount(1). i've had

to do this a few times, and it is *MINDBLOWINGLY* difficult. i don't

even recall the command set i had to use. i think it was the md* tools

(mdadm etc).
the upside of using LVM is that you can endlessly reconfigure the

partition(s) (bigger or smaller), including adding/removing other

drives with almost no effort whatsoever. the downside is that if you

just want the disk to be /dev/sdb ... its not so easy.
i believe that fedora and/or redhat went through quite a long debate

about this, and ultimately decided that the overall benefits of LVM

vs. just ext(3|4) outweighed the drawbacks. obviously, this doesn't

mean that its true in every case. i'd also guess that its true for

most RedHat users and not true for most Fedora users.

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