Date: Tue, 18 May 2010 17:59:05 -0600 From: Scott Long <scottl@samsco.org> To: Matthew Jacob <mj@feral.com> Cc: freebsd-scsi@freebsd.org Subject: Re: going rogue: incorporating REPORT_LUNS into the SCSI probe sequence Message-ID: <76ECB3BB-6862-4DCE-8CC9-35ED1BC70BD2@samsco.org> In-Reply-To: <4BF19453.8090801@feral.com> References: <4BF19453.8090801@feral.com>
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On May 17, 2010, at 1:09 PM, Matthew Jacob wrote: > This one is a bit rougher than the others, but I'd like to encourage = some discussion about this. >=20 > The problems presented by not using REPORT LUNS have been getting = uglier and uglier. Any kind of sparse lun arrangement for large JBODs or = RAID units just makes life very painful. >=20 > These changes manage REPORT LUNS for devices > SPC2, and even manage = changes in the list. These changes do *not* address the edge case of = having no attached LUN 0 (which has been known to happen- it's not = illegal). Under what circumstance is it not illegal? I thought that in SPI it was = always illegal. Granted, FC and other protocols might be different, = hence my curiosity. Scott
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