Date: Wed, 14 Aug 2002 22:31:52 -0600 From: "Kenneth D. Merry" <ken@kdm.org> To: Chuck McCrobie <mccrobie@cablespeed.com> Cc: freebsd-scsi <freebsd-scsi@FreeBSD.ORG> Subject: Re: pioneer DRM-600 problem Message-ID: <20020814223152.A60159@panzer.kdm.org> In-Reply-To: <3D5B2D12.D50AE2AE@cablespeed.com>; from mccrobie@cablespeed.com on Thu, Aug 15, 2002 at 12:24:50AM -0400 References: <3D5B17A4.D2862CA6@utcorp.com> <20020814213546.A59783@panzer.kdm.org> <3D5B2D12.D50AE2AE@cablespeed.com>
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On Thu, Aug 15, 2002 at 00:24:50 -0400, Chuck McCrobie wrote: > "Kenneth D. Merry" wrote: > > On Wed, Aug 14, 2002 at 22:53:24 -0400, Kurt Seel wrote: > > > cd5: cd present [326103 x 2048 byte records] > > > (cd6:ahc0:0:0:6): READ CD RECORDED CAPACITY. CDB: 25 c0 0 0 0 0 0 0 0 0 > > > (cd6:ahc0:0:0:6): ILLEGAL REQUEST asc:25,0 > > > (cd6:ahc0:0:0:6): Logical unit not supported > > > (cd6:ahc0:0:0:6): fatal error, failed to attach to device > > > (cd6:ahc0:0:0:6): lost device > > > (cd6:ahc0:0:0:6): removing device entry > > > (cd7:ahc0:0:0:7): READ CD RECORDED CAPACITY. CDB: 25 e0 0 0 0 0 0 0 0 0 > > > (cd7:ahc0:0:0:7): ILLEGAL REQUEST asc:25,0 > > > (cd7:ahc0:0:0:7): Logical unit not supported > > > (cd7:ahc0:0:0:7): fatal error, failed to attach to device > > > (cd7:ahc0:0:0:7): lost device > > > (cd7:ahc0:0:0:7): removing device entry > > > > It looks like it's behaving bogusly there. It shouldn't respond to an > > inquiry on LUNs 6 and 7 if there isn't a CD slot at those LUNs. > > > > Anyway, that should be mostly harmless. > > Yes, this is a LUN based changer. To get it to swap disks, one > references the other LUNs. The changer should automatically swap out > one disk and insert the other. It looks like its doing what it should > during the probe. > > I don't remember exactly what the SCSI spec. says for LUNs - I think > reporting that the "Logical unit not supported" is valid for LUNs 6 and > 7 - what else would a LUN type device report if it supports 6 out of 8 > LUNs? It shouldn't respond to an inquiry on that LUN if that LUN isn't supported. The "Logical unit not supported" error is correct, but we should never get that far. The first thing we do for each LUN is send an inquiry, and the device should just not send back a response if it doesn't support the LUN. Ken -- Kenneth Merry ken@kdm.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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