On Apr 20 08:53, Christoph Hellwig wrote: > On Wed, Apr 20, 2022 at 07:51:32AM +0200, Klaus Jensen wrote: > > > So unlike the EUI, UUIDs are designed to be autogenerated even if the > > > current algorithm is completely broken. We'd just need to persist them. > > > Note that NVMe at least in theory requires providing at least on of > > > the unique identifiers, and the UUID is the only one designed to be > > > autogenerated in a distributed fashion. > > > > I understand, but it boils down to the fact that we do not have a > > general method of storing "metadata" like this persistently. > > > > But maybe it is time that we come up with something to do this. > > If we can't make the persistent uniqueue identifiers persistent and > unique, we should not provide them. While NVMe does require a > namespace to report at least one of the three identifies, the failure > mode for now having one is much more graceful than providing one that > is not unique or not persistent.
Alright. I think we can do that. We can revert the eui64 defaulting as well. Thanks for your reviews/comments Christoph.
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