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Date:      Wed, 11 Dec 2013 10:01:37 +0100
From:      Hannes Reinecke <hare@suse.de>
To:        dgilbert@interlog.com
Cc:        FreeBSD SCSI <freebsd-scsi@freebsd.org>, Nathan Whitehorn <nwhitehorn@freebsd.org>
Subject:   Re: [CAM] Widening lun_id_t to 64-bits
Message-ID:  <52A829F1.2010206@suse.de>
In-Reply-To: <52A7AEAE.1030307@interlog.com>
References:  <52A7830B.2090803@freebsd.org> <52A7A69E.3030703@interlog.com> <52A7AA76.3060208@interlog.com> <52A7AAA3.5050404@freebsd.org> <52A7AEAE.1030307@interlog.com>

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On 12/11/2013 01:15 AM, Douglas Gilbert wrote:
[ .. ]
>
> BTW A T10 troublemaker tried to extend 8 byte LUNs to something
> longer in order to hold a proposed conglomerate LUN format.
> He did succeed in getting conglomerate LUN format in but not
> extending LUNs beyond 8 bytes. However he did get a 65th bit in,
> sort of. See the new LU_CONG bit in a standard INQUIRY
> response (spc4r36n.pdf).
>
Gnaa. And I know that troublemaker. His company has been approaching
me for conglomerate LUN support.
_This_ will get fun. And I guess I need to update the patchset to
handle this ...

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)



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