LVM-Howto [Was : what are the restrictions on bootable partitions?]

[Ow Mun Heng]

> -----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
> >machines?
> >
> 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.

Please help.



> 
> >
> >  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 / 
> partition 
> 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?
> 
> >rday
> >
> >
> >  
> >
> neil
> 
> 
> 
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