Re: SimpleTech USB HDD driver

From: Devon H. O'Dell (dodell_at_sitetronics.com)
Date: 09/22/03

  • Next message: Gerald Heinig: "Using kernel mod instead of built-in driver" 
    Date: Mon, 22 Sep 2003 16:48:16 +0200
To: Scott Mitchell <scott+freebsd@fishballoon.org>

    Scott Mitchell wrote:

    >On Mon, Sep 22, 2003 at 09:12:50AM -0400, dodell@sitetronics.com wrote:
    >
    >
    >No worries - it's what the lists are for.
    >
    >AFAIK all USB mass storage devices should be supported by the umass driver,
    >but some devices will have issues. I use various flash cards and 'pen drives'
    >all the time - a real hard disk should look the same to the driver.
    >
    >Bear in mind that 4.x only supports USB 1.1, so even if you have USB 2.0 ports
    >on your machine, and a USB 2.0 drive, the most you'll get out of it is
    >somewhere in the region of 1 MB/s.
    >
    >Look forward to hearing of your success - good luck!
    >
    > Scott
    >
    Well, what do you know, a quick mount_msdos /dev/da0s1 worked just fine
    ;). Something to add to the hardware compatibility list I guess. Here's
    the dmesg entry:

    umass0: In-System Design USB Storage Adapter, rev 2.00/11.01, addr 2
    da0 at umass-sim0 bus 0 target 0 lun 0
    da0: <IC35L120 AVV207-0 V24O> Fixed Direct Access SCSI-0 device
    da0: 650KB/s transfers
    da0: 117800MB (241254720 512 byte sectors: 64H 32S/T 52264C)

    I did get the below message, but it does not seem to goof up anything.

    (da0:umass-sim0:0:0:0): READ(6)/WRITE(6) not supported, increasing
    minimum_cmd_size to 10.

    My laptop only has USB 1.1 anyway (it's an old Latitude L400 -- don't
    think it has 2.0 anyway). 650KB/s is fine. I'm just using it to back up
    my *cough*VERY LEGAL*cough* mp3s ;)

    Thanks for setting my head straight about this. I think this should be
    listed on the web page. The reason I asked in the first place is because
    there are no mailing list articles about this (that Google could find
    with about 31899821498 different queries, anyway ;) and the webpage
    gives me the idea that it doesn't support larger devices.

    --Devon

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