Problems getting WWID recognized

[Rafael David Tinoco]

> Could you try 0x80, 0x83, 0x86 as well ? Nothing there ? If there is
> SERIAL coming from your storage server, it is not behaving like
> described by SCSI SBC-4 standards.. but you could create a wrapper to
> be executed by udev (check bcache-tools package udev rules) that could
> get something else from your storage server and define it as
> ID_SERIAL.

*if there is NO SERIAL coming*...