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 (I don't want't to forcefully recreate a PV, I just want to be able to assign a different UUID to it in order keep LVM from "thinking" that PV still belongs to some other VG). But, on the other hand, I also just noticed that the UUIDs of PVs, VGs, LVs are formatted differently from those generated by uuidgen. Or can LVM also use UUIDs that are formatted differently? So, my question about a UUID generation tool for proper UUID usage within LVM seems to be still valid... On Tue, 11 Sep 2007, Holger Rauch wrote: > Hi to everybody, > > ok, if running pvcreate is necessary, what tool can I use for generating > my own UUID (for passing them to the --uuid cmd line switch of pvcreate) > just in case the PV previously belonged to a different VG? > > TIA. > > Greetings, > > Holger > > On Mon, 10 Sep 2007, malahal@us.ibm.com wrote: > > > I don't think so. /dev/sdb will have the same partition table as > > /dev/sda from the sfdisk command. I bet you need to run pvcreate and > > vgcreate before running the rest of the script. > > > > Thanks, Malahal. > > [...]
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