[systemd-devel] [dm-devel] RFC: one more time: SCSI device identification

[Martin Wilck]

On Tue, 2021-04-27 at 13:48 +1000, Erwin van Londen wrote:
> > 
> > Wrt 1), we can only hope that it's the case. But 2) and 3) need work,
> > afaics.
> > 
> In my view the WWID should never change. 

In an ideal world, perhaps not. But in the dm-multipath realm, we know
that WWID changes can happen with certain storage arrays. See 
https://listman.redhat.com/archives/dm-devel/2021-February/msg00116.html 
and follow-ups, for example.

Regards,
Martin

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Dr. Martin Wilck <mwilck at suse.com>, Tel. +49 (0)911 74053 2107
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