Messages in this thread | | | Date | Thu, 15 Dec 2022 09:07:28 +0100 | From | "Ulrich Windl" <> | Subject | Antw: [EXT] Re: [PATCH 0/2] scsi:donot skip lun if inquiry returns PQ=1 for all hosts |
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>>> Christoph Hellwig <hch@infradead.org> schrieb am 15.12.2022 um 08:06 in Nachricht <Y5rHX95Vvl1aLhbp@infradead.org>: > On Wed, Dec 14, 2022 at 03:08:44PM +0800, Wenchao Hao wrote: >> When iSCSI initiator logged in target, the target attached none valid >> lun but lun0. lun0 is not an valid disk, while it would response >> inquiry command with PQ=1 and other general scsi commands like probe lun. >> The others luns of target is added/removed dynamicly. > > I can't find any special casing of LUN0 in RFC7144, can you clarify > where you think that treats LUN0 any differently than other transports?
Actusally I have no idea, but as a user of FC SAN systems I can remember a case when a storage system had to present a dummy LUN0 to enable hosts to find other LUNs (while LUN0 was never actually used). Maybe the client code was imperfect, I don't know.
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