LVM-Howto [Was : what are the restrictions on bootable partitions?]
Ow Mun Heng
ow.mun.heng at wdc.com
Fri Apr 30 02:11:44 UTC 2004
> -----Original Message-----
> From: neil [mailto:neilcuk at aol.com]
> Sent: Thursday, April 29, 2004 10:35 PM
> To: For users of Fedora Core releases
> Subject: Re: what are the restrictions on bootable partitions?
> rpjday at mindspring.com wrote:
> > what are the restrictions on where i can install another
> linux distro
> >onto my fedora core (actually, FC2-t3) system so that grub
> can find it?
> >(even though this is a test version of fedora, this question actually
> >refers to FC distros in general.)
> There are no restrictions other than the boot loader (grub)
> must be able
> to read the boot partition.
> > typically, for historical reasons, even when i use LVM, i
> create a small
> >primary, ext3 filesystem for /boot, and use LVM for the rest
> of the drive.
> >is there any compelling reason for doing this anymore? what's the
> >recommended strategy for LVM? and need for a non-LVM
> filesystem on newer
> It really depends on what the system will be used for. Check out the
> howto here: http://www.tldp.org/HOWTO/LVM-HOWTO/index.html
I've actually looked through the howto but am still unable to determine
how to actually create a lvm system. I've recompiled my kernel to
have the devive mapper as a module and modprobe'ed it.
When I try to do vgscan it states that the kernel modules are not loaded.
> > and, on top of all this, i want to add at least one other
> distro to the
> >system; in this case, xandros 2.0, for evaluation for a
> client. can i add
> >this additional distro entirely within LVM and have grub
> still find it
> >properly? i suspect yes, but i wanted to make sure before i
> spent all
> >that installing. thanks.
> Grub will still need to run outside of an LVM area. Keeping
> your /boot
> partition in an acceptable format (such as ext3, as you have
> done in the
> past) is the ideal way to do this. Other than that - if your distro
> kernel supports LVM you should have no problems having the /
> on an LVM. However, I would avoid putting a new distro within an LVM
> portion of another distro - but that's just because I value
> my sanity.
> But if you got your grub configuration correct, I don't see why this
> can't be done - any one care to prove me wrong?
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