From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: Re: Question about WWID Date: Mon, 03 May 2010 13:12:48 +0200 Message-ID: <4BDEAFB0.8000609@suse.de> References: Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development List-Id: dm-devel.ids Rodrigo Nascimento wrote: > Hi All, > = > How the WWID from dm-mp is generated? I can image that it use serial > number of the disk, but how it is really generated? > = It is using the SCSI Inquiry VPD pages; page 0x83 or, failing that, path 0x= 80. Cheers, Hannes -- = Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=FCrnberg GF: Markus Rex, HRB 16746 (AG N=FCrnberg)