This went off-list, which was not my intention.

--
ryan

Begin forwarded message:

> From: Ryan Coleman <[email protected]>
> Date: August 2, 2010 2:47:48 PM CDT
> To: Bill Tillman <[email protected]>
> Subject: Re: USB Hard Drive Dock
> 
> Bill,
> 
> I am not sure I follow what you're saying? FreeBSD will not discover a hard 
> drive like this on a "hot swap" (just connecting the drive to the bridge 
> while plugged in via USB -- in fact that could kill your USB bridge if you 
> don't do it right - a risk in ANY hot swap attempt).
> 
> If you disconnect the USB, then connect a drive, then reconnect the USB does 
> it find your drive?
> 
> If so, that's your route. I don't know if *anyone* on this list would 
> recommend you do a traditional hot swap like what you've described. Unless 
> the case if you have a lot of money to spend on replacing PCI USB bridges or 
> motherboards.
> 
> --
> Ryan
> 
> On Aug 2, 2010, at 12:18 PM, Bill Tillman wrote:
> 
>> I just purchased a setup which will allow me to access IDE and/or SATA 
>> drives through a USB port. Of course I was hoping for it to work with 
>> FreeBSD and in spite of the reviews which said it needed no Windows drivers 
>> as soon as I opened it up there was a CD with the drivers for Windows on it.
>> 
>> When I hook this thing up to my FreeBSD server it shows up like this:
>> 
>> Jul 31 15:06:29 FreeBSD1 root: Unknown USB device: vendor 0x152d product 
>> 0x2338 bus uhub1
>> Jul 31 15:06:29 FreeBSD1 kernel: usbd_set_config_index: could not read 
>> device status: USB_ERR_SHORT_XFER
>> Jul 31 15:06:29 FreeBSD1 kernel: ugen1.2: <JMicron> at usbus1
>> Jul 31 15:06:29 FreeBSD1 kernel: umass0: <MSC Bulk-Only Transfer> on usbus1
>> Jul 31 15:06:29 FreeBSD1 kernel: umass0:  SCSI over Bulk-Only; quirks = 
>> 0x4000
>> Jul 31 15:06:30 FreeBSD1 kernel: umass0:0:0:-1: Attached to scbus0
>> Jul 31 15:06:31 FreeBSD1 kernel: (probe0:umass-sim0:0:0:0): TEST UNIT READY. 
>> CDB: 0 0 0 0 0 0
>> Jul 31 15:06:31 FreeBSD1 kernel: (probe0:umass-sim0:0:0:0): CAM status: SCSI 
>> Status Error
>> Jul 31 15:06:31 FreeBSD1 kernel: (probe0:umass-sim0:0:0:0): SCSI status: 
>> Check Condition
>> Jul 31 15:06:31 FreeBSD1 kernel: (probe0:umass-sim0:0:0:0): SCSI sense: NOT 
>> READY asc:3a,0 (Medium not present)
>> Jul 31 15:06:31 FreeBSD1 kernel: da0 at umass-sim0 bus 0 scbus0 target 0 lun >> 0
>> Jul 31 15:06:31 FreeBSD1 kernel: da0: <  > Fixed Direct Access SCSI-2 device
>> Jul 31 15:06:31 FreeBSD1 kernel: da0: 40.000MB/s transfers
>> Jul 31 15:06:31 FreeBSD1 kernel: da0: Attempt to query device size failed: 
>> NOT READY, Medium not present
>> Jul 31 15:06:31 FreeBSD1 kernel: (da0:umass-sim0:0:0:0): READ CAPACITY(10). 
>> CDB: 25 0 0 0 0 0 0 0 0 0
>> Jul 31 15:06:31 FreeBSD1 kernel: (da0:umass-sim0:0:0:0): CAM status: SCSI 
>> Status Error
>> Jul 31 15:06:31 FreeBSD1 kernel: (da0:umass-sim0:0:0:0): SCSI status: Check 
>> Condition
>> Jul 31 15:06:31 FreeBSD1 kernel: (da0:umass-sim0:0:0:0): SCSI sense: NOT 
>> READY asc:3a,0 (Medium not present)
>> Jul 31 15:06:31 FreeBSD1 kernel: (da0:umass-sim0:0:0:0): READ CAPACITY(10). 
>> CDB: 25 0 0 0 0 0 0 0 0 0
>> Jul 31 15:06:31 FreeBSD1 kernel: (da0:umass-sim0:0:0:0): CAM status: SCSI 
>> Status Error
>> Jul 31 15:06:31 FreeBSD1 kernel: (da0:umass-sim0:0:0:0): SCSI status: Check 
>> Condition
>> Jul 31 15:06:31 FreeBSD1 kernel: (da0:umass-sim0:0:0:0): SCSI sense: NOT 
>> READY asc:3a,0 (Medium not present)
>> 
>> So apparently the FreeBSD server senses when this thing is connected but it 
>> cannot see the drive connected to it. BTW - The FreeBSD server only reports 
>> anything when I power up the drive on the device. So again I see there might 
>> be hope to access it.
>> 
>> Of course I cannot mount anything as /dev/da0s1...etc are not there, only 
>> /dev/da0. The drive I'm attempting to mount was the main drive in another 
>> FreeBSD server I had working. The drive is ok and I can mount it using other 
>> methods. But this hot-swap USB method has some advantaged I'd like to use.
>> 
>> 
>> 
>> _______________________________________________
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> 

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