Date: Thu, 14 Mar 2002 16:26:46 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: Doug White <dwhite@resnet.uoregon.edu> Cc: Rasmus Skaarup <mfbsd@skaarup.org>, Poul-Henning Kamp <phk@critter.freebsd.dk>, current@FreeBSD.ORG Subject: Re: GEOM code ready for testing Message-ID: <20020314222646.GD1126@dan.emsphone.com> In-Reply-To: <20020314114358.D17039-100000@resnet.uoregon.edu> References: <20020312130810.U18984-100000@skaarup.org> <20020314114358.D17039-100000@resnet.uoregon.edu>
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In the last episode (Mar 14), Doug White said: > On Tue, 12 Mar 2002, Rasmus Skaarup wrote: > > Hmm, but I'm not sure all kinds of storage devices have > > serialnumbers that could be fetched (tape devices for instance?) > > and can we rely on the hardware manufacturers to provide unique > > serialnumbers? > > Although it's an isolated case, you do have globally unique > identifiers in FibreChannel. :-) Most SCSI devices also have serial numbers. (root@dan.1) /home/dan># camcontrol inq da0 pass0: <QUANTUM ATLAS IV 36 WLS 0808> Fixed Direct Access SCSI-3 device pass0: Serial Number 363904655202 pass0: 40.000MB/s transfers (20.000MHz, offset 31, 16bit), Tagged Queueing Enabled -- Dan Nelson dnelson@allantgroup.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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