This message is from the T13 list server.
Gary, IIRC, it was turned down because it could not be unique in absolute terms. This would require all drive vendors to communicate togather on a single issue. I could be wrong, but to guarentee uniqueness would not be that simple. Cheers, Andre Hedrick LAD Storage Consulting Group On Fri, 4 Apr 2003, Gary Laatsch wrote: > Serial # of an ATA driveGana, > > There was a proposal before T13 awhile back for World Wide Name which would give > each device a unique ID based on manufacturer and serial number. I am not sure what > ever happened with that. > > http://www.t13.org/docs2002/e02136r1.pdf > > I am currently wading through the minutes to find out if it was ever voted in or > not. Maybe someone of the reflector knows off the top of there head. > > gary laatsch > > > ----- Original Message ----- > From: Sridaran, Gana > To: [EMAIL PROTECTED] > Sent: Friday, April 04, 2003 1:39 PM > Subject: [t13] Serial # of an ATA drive > > > Hi folks, > > Can someone here tell me if the serial # string returned by the IDENTIFY DEVICE > command of a drive will be unique for one particular drive ? > > The reason why I am asking is that the verbiage in the ATA spec 7.0 says, > > > > 6.16.17 Words (19:10): Serial number > This field contains the serial number of the device. The contents of this field is > an ASCII character string of > twenty bytes. The device shall pad the character string with spaces (20h), if > necessary, to ensure that the > string is the proper length. The combination of Serial number (words (19:10)) and > Model number (words (46:27)) > shall be unique for a given manufacturer. > > Any insight on this one would be very useful. > > Thanks, > Gana >
