Re: OSD after OS reinstallation.

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On Fri, Feb 22, 2019 at 9:38 AM Marco Gaiarin <gaio@xxxxxxxxx> wrote:
>
> Mandi! Alfredo Deza
>   In chel di` si favelave...
>
> > The problem is that if there is no PARTUUID ceph-volume can't ensure
> > what device is the one actually pointing to data/journal. Being 'GPT'
> > alone will not be enough here :(
>
> Ok. There's some way to 'force' a PARTUUID, in a GPT or non-GPT
> partition, clearly even, if needed, destroying it?
>
>
> I've tried also to create a GPT partition in a DOS partition (eg, in a
> /dev/sda5), and seems that GPT partition get correctly created, but
> still (sub) partition have no PARTUUID...

There are ways to create partitions without a PARTUUID. We have an
example in our docs with parted that will produce what is needed:

http://docs.ceph.com/docs/master/ceph-volume/lvm/prepare/#partitioning

But then again... I would strongly suggest avoiding all of this and
just using the new way of doing OSDs with LVM

>
> --
> dott. Marco Gaiarin                                     GNUPG Key ID: 240A3D66
>   Associazione ``La Nostra Famiglia''          http://www.lanostrafamiglia.it/
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>   marco.gaiarin(at)lanostrafamiglia.it   t +39-0434-842711   f +39-0434-842797
>
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>         (cf 00307430132, categoria ONLUS oppure RICERCA SANITARIA)
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