Hi Alasdair (and all the other list members), first of all, thanks for having mentioned pvchange -u but the man page of pvchange really gives no clue on how to actually use the -u switch. The output of pvchange --help suggests that the -u switch takes no additional parameter. So, if I understand you right, pvchange -u should both *generate and assign* a new UUID to the specified PV and thus do what I need? TIA for clarification on this issue. Greetings, Holger On Mon, 17 Sep 2007, Alasdair G Kergon wrote: > On Tue, Sep 11, 2007 at 12:12:50PM +0200, Holger Rauch wrote: > > Replying to myself this time :-) Just found out about uuidgen. Would that be > > OK? I'm thinking about invoking pvcreate like this: > > pvcreate --uuid $(uuidgen) /dev/sdb > > There's something strange going on here. > The tools should be quite capable of generating a new uuid for you. > Perhaps it's a documentation problem. > > Try pvchange -u. > > Alasdair
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