[linux-lvm] Migration path - 2.2.17 & LVM 0.8final -> 2.4.0 & LVM

[Tom Dawes-Gamble]

Hi,
	Although not quite the same upgrade that you are doing.  I have just
a good trouble free conversion to 0.9.1_beta1. From 0.8-pre02.10.1999 
and Kernel 2.2.16 to 2.2.18.

First I made sure I had a separate bootable emergency 
partition just in casse things went badly wrong.  :-)
(then I could activate the vg and put back the old tools if required.)

Next I downloaded and unpacked the 2.2.18 tarball.
Same for lvm  0.9.1_beta1. 

Read and follow the README in PATCH.
Built the kernel.
Installed the kernel.
Built the 0.9.1_beta1 tools.
And now for the sort of point of no return.
Installed the 0.9.1_beta1 tools.

Now you have tools that don't work withthe running kernel.  :-(

Now boot the new kernel.

That didn't go clean for me. So I was droped to the shell prompt
during fsck.

I just ran a vgscan it rebuilt my /etc/lvmtab and then I ran vgchange -a y
the vg activated NP.

exit from the shell causes a reboot.

Boot the new kernel again and this time it comes up clean.

Note:-  I only have vgchange in my rc.sysinit not vgsacn and vgchange.
I seem to remember that the docs say you should have both so may be
It's a good idea as my system would have started clean if I had followed
that.  However, I don't upgrade LVM that often so I think overall it's
faster to not do the vgscan.  :-)

Tom.
	
On Thu Jan 18 22:05:26 2001 Les Hazelton wrote:-
> 
> My current workstation is running Linux Mandrake 7.2.  It has a 2.2.17
> kernel patched with lvm-0.8final-2.2.16TL.patch.
> 
> Most of the system is reiserfs created on lvm devices.  In fact, the
> only part of the system that is not reiserfs/lvm is the /boot tree as
> you can see:
> 
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/lvg01/slash      600M  268M  332M  45% /
> /dev/hda1              45M  4.4M   39M  10% /boot
> /dev/lvg01/home       1.0G  133M  891M  13% /home
> /dev/lvg01/usr        2.0G  1.3G  752M  63% /usr
> /dev/lvg01/src        700M  249M  451M  36% /usr/src
> /dev/lvg01/local      1.0G  537M  487M  52% /usr/local
> /dev/lvg01/var        300M  123M  177M  41% /var
> /dev/lvg01/mp3        1.5G  1.4G  110M  93% /mp3
> /dev/lvg01/pictures   1.0G   38M  986M   4% /pictures
> /dev/lvg01/wine       1.0G   32M  992M   3% /wine
> 
> 
> I want to migrate to the source from
>  
> 	kernel-headers-2.4.0-5mdk.i586.rpm
> 	kernel-source-2.4.0-5mdk.i586.rpm
> 
> patched with lvm_0.9.1_beta2.tar.gz.
> 
> The problem is, I am not sure of the implementation order.  i.e., should
> I first try to add the 0.9.1 user space tools and then the new kernel.
> Or, should I try to add a 0.9.1 patch to the current kernel before
> switching to the new 2.4.0 kernel etc...
> 
> As you can see,  I am a bit confused.  I would appreciate some words of
> guidance from anyone that has already done something similar
> (successfully).
> 
> -- 
> 
> Good Journey, longevity and prosperity to all
> 
> Les Hazelton
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> 


-- 
char  *r,*e,*w="%.9s%.7s%.7s\n";extern int printf(const char*,...);int main(){
int l=*w,a,b,th=*(w-~(l/=l))-*(w+l);b=*w+~th--;a=b-th;//Aviation Briefing Ltd.
r=e="  DISPLAY'tmdg at avbr';,,;'ief.com'*>"+b;l+=~b,th-=printf(w,e-a,th+e,r);
r=e="  DISPLAY'http://www.avbrief.com/' *>"-~b,exit(~l-printf(w,e+~a,th+e,r));}