From: Hannes Reinecke <hare@suse.de>
To: device-mapper development <dm-devel@redhat.com>
Subject: Re: Question about WWID
Date: Mon, 03 May 2010 13:12:48 +0200 [thread overview]
Message-ID: <4BDEAFB0.8000609@suse.de> (raw)
In-Reply-To: <o2zaf7b4eb21004301216s726e4e82x8de50d0fa21469d@mail.gmail.com>
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 0x80.
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Markus Rex, HRB 16746 (AG Nürnberg)
next prev parent reply other threads:[~2010-05-03 11:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-30 19:16 Question about WWID Rodrigo Nascimento
2010-05-03 11:12 ` Hannes Reinecke [this message]
2010-05-05 4:03 ` Rodrigo Nascimento
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