Date: Wed, 07 May 2008 16:53:35 -0700 From: Sean Bruno <sbruno@miralink.com> To: Scott Long <scottl@samsco.org> Cc: freebsd-scsi@freebsd.org Subject: Re: USB drive serial numbers Message-ID: <482240FF.4030704@miralink.com> In-Reply-To: <48223940.5090109@samsco.org> References: <48222930.2010808@miralink.com> <48223940.5090109@samsco.org>
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Scott Long wrote: > Sean Bruno wrote: >> Can someone send me the output of "camcontrol inquiry daX" where daX >> is a usb attached hard drive? I'm interested to know if the USB >> external hard drives report a serial number as the USB flash drives I >> currently have in my possession do not report one. >> >> eg: SCSI hard drive: >> sudo camcontrol inquiry da0 >> pass0: <SEAGATE ST373207LC D701> Fixed Direct Access SCSI-3 device >> pass0: Serial Number 3KT17YJL >> pass0: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged >> Queueing Enabled >> >> >> eg: USB flash drive: >> sudo camcontrol inquiry da3 >> pass4: <TOSHIBA TransMemory 5.00> Removable Direct Access SCSI-0 device >> pass4: Serial Number >> pass4: 40.000MB/s transfers >> > > CAM used to assume that all DA devices supported the serial number EVPD > page. I recently changed it to query the device for the list of pages > it does support, and only ask for the serial number page if it does > (which in turns cuts down on a whole lot of kernel printf noise). My > experience is that some devices do, but most devices don't. If you want > to check your devices manually, do: > > camcontrol cmd pass0 -v -c "12 01 00 00 255 00" -i 255 "-" | hd > > If 0x80 appears after the 4th byte, the device claims support for > querying the serial number. The serial number can then be fetched with > > camcontrol cmd pass0 -v -c "12 01 80 00 255 00" -i 255 "-" | hd > > Or via > > camcontrol inq pass0 -S > > > Scott Hrm....it looks like asking for page 0x80 directly is returning the same as requesting page 0x80 or asking for all pages: sudo camcontrol devlist <SEAGATE ST373207LC D701> at scbus0 target 0 lun 0 (da0,pass0) <SEAGATE ST373207LC 0003> at scbus0 target 1 lun 0 (da1,pass1) <PE/PV 1x2 SCSI BP 1.0> at scbus0 target 6 lun 0 (ses0,pass2) <Rorke GalaxyHD 342D> at scbus1 target 1 lun 0 (da2,pass3) <TOSHIBA TransMemory 5.00> at scbus2 target 0 lun 0 (pass4,da3) sudo camcontrol cmd pass4 -v -c "12 01 00 00 255 00" -i 255 "-" | hd 00000000 00 80 00 01 1f 00 00 00 54 4f 53 48 49 42 41 20 |........TOSHIBA | 00000010 54 72 61 6e 73 4d 65 6d 6f 72 79 20 20 20 20 20 |TransMemory | 00000020 35 2e 30 30 50 4d 41 50 31 32 33 34 00 00 00 00 |5.00PMAP1234....| 00000030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000000f0 sudo camcontrol cmd pass4 -v -c "12 01 80 00 255 00" -i 255 "-" | hd 00000000 00 80 00 01 1f 00 00 00 54 4f 53 48 49 42 41 20 |........TOSHIBA | 00000010 54 72 61 6e 73 4d 65 6d 6f 72 79 20 20 20 20 20 |TransMemory | 00000020 35 2e 30 30 50 4d 41 50 31 32 33 34 00 00 00 00 |5.00PMAP1234....| 00000030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000000f0 sean
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