On 10/24/05 16:03, Stefan Richter wrote: > What about an 64bit integer as carrier of LUN in the first place? The > most frequent occurrence of LUN data is when it is passed through in > function calls but it seems rarely to be manipulated. Nah, we don't want to do that. A LUN is like a CDB, there is no MSB or LSB, just a sequence of bytes, 1st, 2nd, etc. Only when being printed, is when you want to impose MSB, so that you can print it humanly readable -- i.e. so that when the customer looks at their manual/storage app, they can see the LUN and recognize it. Luben -- http://linux.adaptec.com/sas/ http://www.adaptec.com/sas/ - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html