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Re: Multibboot vanishes swap UUID

On Wed, Feb 08, 2017 at 04:18:32PM +0100, foo fighter wrote:
> <html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div abp="5413">
> <div abp="5429">Hi,</div>
> <div abp="5431">&nbsp;</div>
> <div abp="5433">I have an issue with Debian multiboot environments which reuse SWAP-partitions. As a default option, each installation &quot;formats&quot; the SWAP partition (if SWAP partitions are used) as far as I understand. This changes the UUID of the SWAP partition(s). In /etc/fstab, the UUID of the SWAP partitions is referenced as a constant. In other existing installations, the old UUID of the SWAP partition (overwritten by the new installation) is no valid or found during boot (systemd timeout).</div>
> <div abp="5435">&nbsp;</div>
> <div abp="5437">Shouldn&#39;t we preserve a UUID of an existing SWAP-partition?</div>
> <div abp="5437"><br abp="5438"/>
> Distro: Debian stretch</div>
> <div abp="5440"><br abp="5441"/>
> Any ideas?</div>

Don't format swap if you want to keep the UUID.

Of course reusing swap would be a very bad idea if you ever tried to
use suspend to disk.

Personally I don't understand wanting more than one system installed,
since that's the one I use.  What would I use another system for?
Experiments and testing I do in chroots or virtual machines.

Len Sorensen

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