Re: USB-to-SCSI converter
* Chris Dillon ([EMAIL PROTECTED]) [001113 08:22]: Since you can select the LUN and not the ID, maybe they've mapped SCSI ID0:LUN0 to ID0:LUN0 (duh), ID1:LUN0 to ID0:LUN1, ID2:LUN0 to ID0:LUN2, and so on, which would explain why we only see a device at ID0:LUN0 if we aren't looking at the remaining LUNs (are we?). This would mean that you can't use multi-LUN devices with the USB-SCSI converter, but that is much more acceptable than only being able to use ID0 with it. I think this is what they do, as my test with a multi-LUN CD changer which works find as a SCSI device only shows up as one CD-ROM under both Windows and BSD. Time to hit up Microtech support to see if they'll at least admit that this is what their driver does. The question then is if we are to implement this kind of ID-to-LUN mapping in the umass driver, what do we predicate that behaviour on ? -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
In that case it might be that they are using some kind of private command to set the SCSI subsequently to different IDs. I'll check whether I have the device here and if so, I will try and snoop that command off the wire. Thanks for the pointer! Nick On Sun, 12 Nov 2000, James FitzGibbon wrote: * Nick Hibma ([EMAIL PROTECTED]) [001112 06:01]: I don't know. The only thing I know is that the protocol on the USB wire does not let you select the SCSI id, just the LUN. I've confirmed that under Windows this cable works with any SCSI ID, but only if you install the Microtech driver. Otherwise, it doesn't show up (i.e. identical to FBSD). Presuming that their driver is actually just a ID mapping layer, would the same thing be feasible under BSD? I'll fire off a note to their support people and see if they can at least confirm my line of thinking here. -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 -- Qube Software, Ltd. Private: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.qubesoft.com/ http://www.etla.net/~n_hibma/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
On Sun, 12 Nov 2000, Nick Hibma wrote: I don't know. The only thing I know is that the protocol on the USB wire does not let you select the SCSI id, just the LUN. Since you can select the LUN and not the ID, maybe they've mapped SCSI ID0:LUN0 to ID0:LUN0 (duh), ID1:LUN0 to ID0:LUN1, ID2:LUN0 to ID0:LUN2, and so on, which would explain why we only see a device at ID0:LUN0 if we aren't looking at the remaining LUNs (are we?). This would mean that you can't use multi-LUN devices with the USB-SCSI converter, but that is much more acceptable than only being able to use ID0 with it. -- Chris Dillon - [EMAIL PROTECTED] - [EMAIL PROTECTED] FreeBSD: The fastest and most stable server OS on the planet. For IA32 and Alpha architectures. IA64 and PowerPC under development. http://www.freebsd.org To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
* Chris Dillon ([EMAIL PROTECTED]) [001113 08:22]: On Sun, 12 Nov 2000, Nick Hibma wrote: I don't know. The only thing I know is that the protocol on the USB wire does not let you select the SCSI id, just the LUN. Since you can select the LUN and not the ID, maybe they've mapped SCSI ID0:LUN0 to ID0:LUN0 (duh), ID1:LUN0 to ID0:LUN1, ID2:LUN0 to ID0:LUN2, and so on, which would explain why we only see a device at ID0:LUN0 if we aren't looking at the remaining LUNs (are we?). This would mean that you can't use multi-LUN devices with the USB-SCSI converter, but that is much more acceptable than only being able to use ID0 with it. I've got a Nakamichi mj-4.8s (4 disc scsi jukebox) at home that I can put in an external case to test this premise. It comes up as the chosen ID and LUNS 0-3. -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
On Mon, Nov 13, 2000 at 10:38:44AM -0500, James FitzGibbon wrote: * Chris Dillon ([EMAIL PROTECTED]) [001113 08:22]: On Sun, 12 Nov 2000, Nick Hibma wrote: I don't know. The only thing I know is that the protocol on the USB wire does not let you select the SCSI id, just the LUN. Since you can select the LUN and not the ID, maybe they've mapped SCSI ID0:LUN0 to ID0:LUN0 (duh), ID1:LUN0 to ID0:LUN1, ID2:LUN0 to ID0:LUN2, and so on, which would explain why we only see a device at ID0:LUN0 if we aren't looking at the remaining LUNs (are we?). This would mean that you can't use multi-LUN devices with the USB-SCSI converter, but that is much more acceptable than only being able to use ID0 with it. I've got a Nakamichi mj-4.8s (4 disc scsi jukebox) at home that I can put in an external case to test this premise. It comes up as the chosen ID and LUNS 0-3. And the nice thing is that it is known-good on FreeBSD on plain SCSI. I have one here on 4.2-beta which works like a charm. -- Wilko Bulte Arnhem, the Netherlands [EMAIL PROTECTED] http://www.freebsd.org http://www.nlfug.nl To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
* Nick Hibma ([EMAIL PROTECTED]) [001112 06:01]: I don't know. The only thing I know is that the protocol on the USB wire does not let you select the SCSI id, just the LUN. I've confirmed that under Windows this cable works with any SCSI ID, but only if you install the Microtech driver. Otherwise, it doesn't show up (i.e. identical to FBSD). Presuming that their driver is actually just a ID mapping layer, would the same thing be feasible under BSD? I'll fire off a note to their support people and see if they can at least confirm my line of thinking here. -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
* Nick Hibma ([EMAIL PROTECTED]) [001109 17:31]: Hm, I missed the zip story. You seem to have all the bits that are necessary in your kernel. Could you compile your kernel/module with UMASS_DEBUG defined and send me the output after an attach? As it turns out, I got it working, but only when the device is on SCSI ID 0. Any other SCSI id and the device is not found when I run 'camcontrol rescan 0' The output is rather large, so I put it on a web server: http://people.targetnet.com/~james/dmesg.plugin http://people.targetnet.com/~james/dmesg.rescan (plugin is the dmesg output when I plugged it into the USB port, and rescan is the additional output when I ran camcontrol rescan 0). Thanks. -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
This makes sense as the adapter is not a ful controller, just a cheapo interface. You cannot select the SCSI id from the USB driver. Nick On Fri, 10 Nov 2000, James FitzGibbon wrote: * Nick Hibma ([EMAIL PROTECTED]) [001109 17:31]: Hm, I missed the zip story. You seem to have all the bits that are necessary in your kernel. Could you compile your kernel/module with UMASS_DEBUG defined and send me the output after an attach? As it turns out, I got it working, but only when the device is on SCSI ID 0. Any other SCSI id and the device is not found when I run 'camcontrol rescan 0' The output is rather large, so I put it on a web server: http://people.targetnet.com/~james/dmesg.plugin http://people.targetnet.com/~james/dmesg.rescan (plugin is the dmesg output when I plugged it into the USB port, and rescan is the additional output when I ran camcontrol rescan 0). Thanks. -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 -- Qube Software, Ltd. Private: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.qubesoft.com/ http://www.etla.net/~n_hibma/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
On Fri, 10 Nov 2000, Nick Hibma wrote: This makes sense as the adapter is not a ful controller, just a cheapo interface. You cannot select the SCSI id from the USB driver. Hmm.. Since I was looking for a "true" USB-SCSI controller, obviously this thing won't work. If it only works with devices set to ID 0, it will never work with a SCSI ZIP drive which only has settings for ID 5 or 6 (which is one thing I would use it with). Do the Shuttle-based USB-SCSI adapters have the same limitation? -- Chris Dillon - [EMAIL PROTECTED] - [EMAIL PROTECTED] FreeBSD: The fastest and most stable server OS on the planet. For IA32 and Alpha architectures. IA64 and PowerPC under development. http://www.freebsd.org To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
This is not a problem as the thing works although it displays the message. Because it does not support the call it gives an indication that multi LUN devices are not supported. I have one of these cables and managed to newfs a 4Gb SCSI drive. Was anything connected to the cable when you connected it? Nick I have a Microtech USB to SCSI converter (see http://www.microtechint.com/qs-usbscsi.html for details). Under Windows (having installed the driver that comes with), everything works without issue. Under BSD, I get this on boot: umass0: Microtech International, Inc. USB-SCSI-HD50, rev 1.00/1.00, addr 3 umass0: Get Max Lun not supported (STALLED) Are there any known workarounds for this problem ? In my particular application I won't be using multi-lun devices, but I don't think that making a "maxlun=0" assumption is a good thing to do. Are there any known workarounds for this problem ? Thanks. -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-scsi" in the body of the message -- Qube Software, Ltd. Private: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.qubesoft.com/ http://www.etla.net/~n_hibma/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
On Thu, 9 Nov 2000, Nick Hibma wrote: This is not a problem as the thing works although it displays the message. Because it does not support the call it gives an indication that multi LUN devices are not supported. I have one of these cables and managed to newfs a 4Gb SCSI drive. Was anything connected to the cable when you connected it? I'm looking for a USB to SCSI converter myself... are there any that are a little more well-behaved and work great with FreeBSD and Windows (preferably one that Win98+ will see without having to carry around a driver disk)? I doubt I'll ever attach multi-lun devices to it either, but I don't like my options limited. :-) -- Chris Dillon - [EMAIL PROTECTED] - [EMAIL PROTECTED] FreeBSD: The fastest and most stable server OS on the planet. For IA32 and Alpha architectures. IA64 and PowerPC under development. http://www.freebsd.org To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
* Nick Hibma ([EMAIL PROTECTED]) [001109 14:52]: This is not a problem as the thing works although it displays the message. Because it does not support the call it gives an indication that multi LUN devices are not supported. I have one of these cables and managed to newfs a 4Gb SCSI drive. Was anything connected to the cable when you connected it? Yes, I've tried with a Yahama external CDR and a Syquest Syjet drive. In neither case did the device show up on the probe. I do have "SCSI over USB" working on the box, since I regularly use a USB zip drive on the same machine and it comes up as device da0 right after the 'umass-sim0' probe. Can you share your kernel config and/or dmesg for that 4gb drive you mention ? Thanks. -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
Which version of the OS? Please update to a recent release of 4-STABLE if you are not there. Did you do a camcontrol rescan 0? What does that produce? All you will need is kldload usb kldload cam kldload umass or compile with the following options (I am not sure whether the CAM module is available in stable) device scbus device da device usb device umass Hope this helps. Nick On Thu, 9 Nov 2000, James FitzGibbon wrote: * Nick Hibma ([EMAIL PROTECTED]) [001109 14:52]: This is not a problem as the thing works although it displays the message. Because it does not support the call it gives an indication that multi LUN devices are not supported. I have one of these cables and managed to newfs a 4Gb SCSI drive. Was anything connected to the cable when you connected it? Yes, I've tried with a Yahama external CDR and a Syquest Syjet drive. In neither case did the device show up on the probe. I do have "SCSI over USB" working on the box, since I regularly use a USB zip drive on the same machine and it comes up as device da0 right after the 'umass-sim0' probe. Can you share your kernel config and/or dmesg for that 4gb drive you mention ? Thanks. -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 -- Qube Software, Ltd. Private: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.qubesoft.com/ http://www.etla.net/~n_hibma/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
Hm, I missed the zip story. You seem to have all the bits that are necessary in your kernel. Could you compile your kernel/module with UMASS_DEBUG defined and send me the output after an attach? The 'GetMAXLUN not supported' thing does not make the driver fail, it makes it just assume that the LUN is always 0. Nick On Thu, 9 Nov 2000, James FitzGibbon wrote: * Nick Hibma ([EMAIL PROTECTED]) [001109 14:52]: This is not a problem as the thing works although it displays the message. Because it does not support the call it gives an indication that multi LUN devices are not supported. I have one of these cables and managed to newfs a 4Gb SCSI drive. Was anything connected to the cable when you connected it? Yes, I've tried with a Yahama external CDR and a Syquest Syjet drive. In neither case did the device show up on the probe. I do have "SCSI over USB" working on the box, since I regularly use a USB zip drive on the same machine and it comes up as device da0 right after the 'umass-sim0' probe. Can you share your kernel config and/or dmesg for that 4gb drive you mention ? Thanks. -- j. James FitzGibbon [EMAIL PROTECTED] Targetnet.com Inc. Voice/Fax +1 416 306-0466/0452 To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message -- Qube Software, Ltd. Private: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.qubesoft.com/ http://www.etla.net/~n_hibma/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: USB-to-SCSI converter
The cable is pretty decent and the fact that it does not support the call is not a problem. Nick On Thu, 9 Nov 2000, Chris Dillon wrote: On Thu, 9 Nov 2000, Nick Hibma wrote: This is not a problem as the thing works although it displays the message. Because it does not support the call it gives an indication that multi LUN devices are not supported. I have one of these cables and managed to newfs a 4Gb SCSI drive. Was anything connected to the cable when you connected it? I'm looking for a USB to SCSI converter myself... are there any that are a little more well-behaved and work great with FreeBSD and Windows (preferably one that Win98+ will see without having to carry around a driver disk)? I doubt I'll ever attach multi-lun devices to it either, but I don't like my options limited. :-) -- Chris Dillon - [EMAIL PROTECTED] - [EMAIL PROTECTED] FreeBSD: The fastest and most stable server OS on the planet. For IA32 and Alpha architectures. IA64 and PowerPC under development. http://www.freebsd.org -- Qube Software, Ltd. Private: [EMAIL PROTECTED] [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.qubesoft.com/ http://www.etla.net/~n_hibma/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
