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Re: [linux-lvm] Re: *** ANNOUNCEMENT *** LVM 1.0 available at www.sistina.com



On Wed, Aug 15, 2001 at 09:06:22PM +0100, Joe Thornber wrote:
> 
> From looking at the metadata I have no way of knowing which version of
> software the PV was created with.  This is a sorry state of affairs,
> but sadly true.  So the upgrade script does the following:
> 
> o interrogate the existing tools that created the PV to find where they put
>   the PE's
> 
> o write this value into the new field.
> 
> At this point the new driver, and tools should be installed.

	So, has the metadata also been updated to have a version number
field in an easily found location?  This is a very unpleasant state of
affairs, and it will happen again if you haven't done this.

	This helps my peace of mind about doing the upgrade.  Perhaps
now I will do it with confidence that it will work and I'll get the
order of operations right.

	One question I have:

	Does it hurt for the old drivers to be in the kernel at the time
you run the upgrade script if none of the VGs are 'active'?

	I compiled LVM into my kernel instead of leaving it as a module,
so if it were a problem, I'd have to compile a new kernel that didn't
have the drivers.

Have fun (if at all possible),
-- 
"It does me no injury for my neighbor to say there are twenty gods or no God.
It neither picks my pocket nor breaks my leg."  --- Thomas Jefferson
"Go to Heaven for the climate, Hell for the company."  -- Mark Twain
-- Eric Hopper (hopper omnifarious org  http://www.omnifarious.org/~hopper) --

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