From mboxrd@z Thu Jan 1 00:00:00 1970 From: hch@lst.de (Christoph Hellwig) Date: Fri, 14 Jul 2017 09:56:12 +0200 Subject: [PATCH 0/3] Improve readbility of NVME "wwid" attribute In-Reply-To: <20170713225739.GE14716@localhost.localdomain> References: <20170713222533.30794-1-mwilck@suse.com> <20170713225739.GE14716@localhost.localdomain> Message-ID: <20170714075612.GE17877@lst.de> On Thu, Jul 13, 2017@06:57:39PM -0400, Keith Busch wrote: > For example, my device's wwid attribute looks like this today: > > nvme.8086-46554d42353235363030304a32383041-494e54454c2053534450454431443134304741-00000001 > > But would this cause a problem for anything? > > nvme.8086-FUMB5256000J280A-INTEL_SSDPED1D140GA-00000001 It would have been nicer, but it will break existing setups. Distros should instead switch to use the nqn for the char dev uniqueue identifier (we now fake it up even for controllers that don't provide it), and the EUI64/NGUID/UUID if provided for the block device names.