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Microdrive and NSLU2

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  • kirkwallace320
    ... LKG0FEA58:/# [42951968.370000] usb 2-1: USB disconnect, address 2 [42951974.520000] usb 2-1: new full speed USB device using ohci_hcd and address 3
    Message 1 of 10 , Mar 19, 2009
      I have a fresh Debian install to a USB flash drive. I plugged my USB CF 4GB microdrive with CF to USB adapter and got this at the serial port:

      ----------------------------
      LKG0FEA58:/# [42951968.370000] usb 2-1: USB disconnect, address 2
      [42951974.520000] usb 2-1: new full speed USB device using ohci_hcd and address 3
      [42951975.240000] usb 2-1: configuration #1 chosen from 1 choice
      [42951975.260000] scsi2 : SCSI emulation for USB Mass Storage devices
      [42951975.270000] usb 2-1: New USB device found, idVendor=07c4, idProduct=a400
      [42951975.270000] usb 2-1: New USB device strings: Mfr=2, Product=3, SerialNumber=0
      [42951975.280000] usb 2-1: Product: Mass Storage
      [42951975.290000] usb 2-1: Manufacturer: USB
      [42951980.310000] scsi 2:0:0:0: Direct-Access Datafab KECF-USB 0113 PQ: 0 ANSI: 2
      [42951980.340000] sd 2:0:0:0: [sdb] 7999489 512-byte hardware sectors (4096 MB)
      [42951980.370000] sd 2:0:0:0: [sdb] Test WP failed, assume Write Enabled
      [42951980.370000] sd 2:0:0:0: [sdb] Assuming drive cache: write through
      [42951980.400000] sd 2:0:0:0: [sdb] 7999489 512-byte hardware sectors (4096 MB)
      [42951980.430000] sd 2:0:0:0: [sdb] Test WP failed, assume Write Enabled
      [42951980.430000] sd 2:0:0:0: [sdb] Assuming drive cache: write through
      [42951980.440000] sdb: sdb1
      [42951980.860000] sd 2:0:0:0: [sdb] Attached SCSI removable disk
      [42951983.220000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
      [42951983.230000] sd 2:0:0:0: [sdb] Sense Key : 0x4 [current]
      [42951983.230000] sd 2:0:0:0: [sdb] ASC=0x4b ASCQ=0x0
      [42951983.240000] end_request: I/O error, dev sdb, sector 7999488
      [42951983.240000] __ratelimit: 2 messages suppressed
      [42951983.250000] Buffer I/O error on device sdb, logical block 7999488
      [42951983.750000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
      [42951983.760000] sd 2:0:0:0: [sdb] Sense Key : 0x4 [current]
      [42951983.760000] sd 2:0:0:0: [sdb] ASC=0x4b ASCQ=0x0
      [42951983.770000] end_request: I/O error, dev sdb, sector 7999488
      [42951983.780000] Buffer I/O error on device sdb, logical block 7999488
      [42951984.350000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
      -------------------------------

      It looks to me that the drive is having trouble reading the disk, but that is just a guess. I ran fdisk and mkfs, which gave me the same errors, but completed successfully. I used the drive on other systems with ext3 and FAT without errors. Is there a known issue with microdrives and the NSLU2?

      Thanks, Kirk
    • Mario Ruprecht
      Sometimes USB devices need more power than delivered by the slug. This leads to strange errors. I experienced such issues with an USB powered Canon scanner.
      Message 2 of 10 , Mar 20, 2009
        Sometimes USB devices need more power than delivered by the slug. This leads to strange errors. I experienced such issues with an USB powered Canon scanner. The workaround was to use an active/self-powered USB hub instead.
         
        It's worth a try ...
         


        From: nslu2-linux@yahoogroups.com [mailto:nslu2-linux@yahoogroups.com] On Behalf Of kirkwallace320
        Sent: Friday, March 20, 2009 5:29 AM
        To: nslu2-linux@yahoogroups.com
        Subject: [nslu2-linux] Microdrive and NSLU2

        I have a fresh Debian install to a USB flash drive. I plugged my USB CF 4GB microdrive with CF to USB adapter and got this at the serial port:

        ------------ --------- -------
        LKG0FEA58:/# [42951968.370000] usb 2-1: USB disconnect, address 2
        [42951974.520000] usb 2-1: new full speed USB device using ohci_hcd and address 3
        [42951975.240000] usb 2-1: configuration #1 chosen from 1 choice
        [42951975.260000] scsi2 : SCSI emulation for USB Mass Storage devices
        [42951975.270000] usb 2-1: New USB device found, idVendor=07c4, idProduct=a400
        [42951975.270000] usb 2-1: New USB device strings: Mfr=2, Product=3, SerialNumber= 0
        [42951975.280000] usb 2-1: Product: Mass Storage
        [42951975.290000] usb 2-1: Manufacturer: USB
        [42951980.310000] scsi 2:0:0:0: Direct-Access Datafab KECF-USB 0113 PQ: 0 ANSI: 2
        [42951980.340000] sd 2:0:0:0: [sdb] 7999489 512-byte hardware sectors (4096 MB)
        [42951980.370000] sd 2:0:0:0: [sdb] Test WP failed, assume Write Enabled
        [42951980.370000] sd 2:0:0:0: [sdb] Assuming drive cache: write through
        [42951980.400000] sd 2:0:0:0: [sdb] 7999489 512-byte hardware sectors (4096 MB)
        [42951980.430000] sd 2:0:0:0: [sdb] Test WP failed, assume Write Enabled
        [42951980.430000] sd 2:0:0:0: [sdb] Assuming drive cache: write through
        [42951980.440000] sdb: sdb1
        [42951980.860000] sd 2:0:0:0: [sdb] Attached SCSI removable disk
        [42951983.220000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
        [42951983.230000] sd 2:0:0:0: [sdb] Sense Key : 0x4 [current]
        [42951983.230000] sd 2:0:0:0: [sdb] ASC=0x4b ASCQ=0x0
        [42951983.240000] end_request: I/O error, dev sdb, sector 7999488
        [42951983.240000] __ratelimit: 2 messages suppressed
        [42951983.250000] Buffer I/O error on device sdb, logical block 7999488
        [42951983.750000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
        [42951983.760000] sd 2:0:0:0: [sdb] Sense Key : 0x4 [current]
        [42951983.760000] sd 2:0:0:0: [sdb] ASC=0x4b ASCQ=0x0
        [42951983.770000] end_request: I/O error, dev sdb, sector 7999488
        [42951983.780000] Buffer I/O error on device sdb, logical block 7999488
        [42951984.350000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
        ------------ --------- --------- -

        It looks to me that the drive is having trouble reading the disk, but that is just a guess. I ran fdisk and mkfs, which gave me the same errors, but completed successfully. I used the drive on other systems with ext3 and FAT without errors. Is there a known issue with microdrives and the NSLU2?

        Thanks, Kirk

      • Sébastien Lorquet
        You seem to have a dead sector on your device. Microdrive are very sensitive pieces of hardware. If I were you, I would test this µd + its usb adapter on
        Message 3 of 10 , Mar 20, 2009
          You seem to have a dead sector on your device.
          Microdrive are very sensitive pieces of hardware.

          If I were you, I would test this µd + its usb adapter on another linux workstation.
          The odds that the problem comes from the slug itself are very thin.

          Sebastien.

          On Fri, Mar 20, 2009 at 5:28 AM, kirkwallace320 <kwallace@...> wrote:
          I have a fresh Debian install to a USB flash drive. I plugged my USB CF 4GB microdrive with CF to USB adapter and got this at the serial port:

          ----------------------------
          LKG0FEA58:/# [42951968.370000] usb 2-1: USB disconnect, address 2
          [42951974.520000] usb 2-1: new full speed USB device using ohci_hcd and address 3
          [42951975.240000] usb 2-1: configuration #1 chosen from 1 choice
          [42951975.260000] scsi2 : SCSI emulation for USB Mass Storage devices
          [42951975.270000] usb 2-1: New USB device found, idVendor=07c4, idProduct=a400
          [42951975.270000] usb 2-1: New USB device strings: Mfr=2, Product=3, SerialNumber=0
          [42951975.280000] usb 2-1: Product: Mass Storage
          [42951975.290000] usb 2-1: Manufacturer: USB
          [42951980.310000] scsi 2:0:0:0: Direct-Access     Datafab  KECF-USB         0113 PQ: 0 ANSI: 2
          [42951980.340000] sd 2:0:0:0: [sdb] 7999489 512-byte hardware sectors (4096 MB)
          [42951980.370000] sd 2:0:0:0: [sdb] Test WP failed, assume Write Enabled
          [42951980.370000] sd 2:0:0:0: [sdb] Assuming drive cache: write through
          [42951980.400000] sd 2:0:0:0: [sdb] 7999489 512-byte hardware sectors (4096 MB)
          [42951980.430000] sd 2:0:0:0: [sdb] Test WP failed, assume Write Enabled
          [42951980.430000] sd 2:0:0:0: [sdb] Assuming drive cache: write through
          [42951980.440000]  sdb: sdb1
          [42951980.860000] sd 2:0:0:0: [sdb] Attached SCSI removable disk
          [42951983.220000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
          [42951983.230000] sd 2:0:0:0: [sdb] Sense Key : 0x4 [current]
          [42951983.230000] sd 2:0:0:0: [sdb] ASC=0x4b ASCQ=0x0
          [42951983.240000] end_request: I/O error, dev sdb, sector 7999488
          [42951983.240000] __ratelimit: 2 messages suppressed
          [42951983.250000] Buffer I/O error on device sdb, logical block 7999488
          [42951983.750000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
          [42951983.760000] sd 2:0:0:0: [sdb] Sense Key : 0x4 [current]
          [42951983.760000] sd 2:0:0:0: [sdb] ASC=0x4b ASCQ=0x0
          [42951983.770000] end_request: I/O error, dev sdb, sector 7999488
          [42951983.780000] Buffer I/O error on device sdb, logical block 7999488
          [42951984.350000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
          -------------------------------

          It looks to me that the drive is having trouble reading the disk, but that is just a guess. I ran fdisk and mkfs, which gave me the same errors, but completed successfully. I used the drive on other systems with ext3 and FAT without errors. Is there a known issue with microdrives and the NSLU2?

          Thanks, Kirk




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        • Sébastien Lorquet
          Additional info: filesystems are OK because (IIRC) they are aware of bad sectors and avoid using them for real data. But the kernel message you posted is from
          Message 4 of 10 , Mar 20, 2009
            Additional info: filesystems are OK because (IIRC) they are aware of bad sectors and avoid using them for real data. But the kernel message you posted is from the kernel, that knows the whole disk structure.
            This is why fdisk and mkfs, which gave [you] the same errors [at the kernel level], but completed successfully [at the filesystem level].

            Sebastien

            On Fri, Mar 20, 2009 at 9:18 AM, Sébastien Lorquet <squalyl@...> wrote:
            You seem to have a dead sector on your device.
            Microdrive are very sensitive pieces of hardware.

            If I were you, I would test this µd + its usb adapter on another linux workstation.
            The odds that the problem comes from the slug itself are very thin.

            Sebastien.


            On Fri, Mar 20, 2009 at 5:28 AM, kirkwallace320 <kwallace@...> wrote:
            I have a fresh Debian install to a USB flash drive. I plugged my USB CF 4GB microdrive with CF to USB adapter and got this at the serial port:

            ----------------------------
            LKG0FEA58:/# [42951968.370000] usb 2-1: USB disconnect, address 2
            [42951974.520000] usb 2-1: new full speed USB device using ohci_hcd and address 3
            [42951975.240000] usb 2-1: configuration #1 chosen from 1 choice
            [42951975.260000] scsi2 : SCSI emulation for USB Mass Storage devices
            [42951975.270000] usb 2-1: New USB device found, idVendor=07c4, idProduct=a400
            [42951975.270000] usb 2-1: New USB device strings: Mfr=2, Product=3, SerialNumber=0
            [42951975.280000] usb 2-1: Product: Mass Storage
            [42951975.290000] usb 2-1: Manufacturer: USB
            [42951980.310000] scsi 2:0:0:0: Direct-Access     Datafab  KECF-USB         0113 PQ: 0 ANSI: 2
            [42951980.340000] sd 2:0:0:0: [sdb] 7999489 512-byte hardware sectors (4096 MB)
            [42951980.370000] sd 2:0:0:0: [sdb] Test WP failed, assume Write Enabled
            [42951980.370000] sd 2:0:0:0: [sdb] Assuming drive cache: write through
            [42951980.400000] sd 2:0:0:0: [sdb] 7999489 512-byte hardware sectors (4096 MB)
            [42951980.430000] sd 2:0:0:0: [sdb] Test WP failed, assume Write Enabled
            [42951980.430000] sd 2:0:0:0: [sdb] Assuming drive cache: write through
            [42951980.440000]  sdb: sdb1
            [42951980.860000] sd 2:0:0:0: [sdb] Attached SCSI removable disk
            [42951983.220000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
            [42951983.230000] sd 2:0:0:0: [sdb] Sense Key : 0x4 [current]
            [42951983.230000] sd 2:0:0:0: [sdb] ASC=0x4b ASCQ=0x0
            [42951983.240000] end_request: I/O error, dev sdb, sector 7999488
            [42951983.240000] __ratelimit: 2 messages suppressed
            [42951983.250000] Buffer I/O error on device sdb, logical block 7999488
            [42951983.750000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
            [42951983.760000] sd 2:0:0:0: [sdb] Sense Key : 0x4 [current]
            [42951983.760000] sd 2:0:0:0: [sdb] ASC=0x4b ASCQ=0x0
            [42951983.770000] end_request: I/O error, dev sdb, sector 7999488
            [42951983.780000] Buffer I/O error on device sdb, logical block 7999488
            [42951984.350000] sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
            -------------------------------

            It looks to me that the drive is having trouble reading the disk, but that is just a guess. I ran fdisk and mkfs, which gave me the same errors, but completed successfully. I used the drive on other systems with ext3 and FAT without errors. Is there a known issue with microdrives and the NSLU2?

            Thanks, Kirk




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          • Kirk Wallace
            ... I think you are right, Sebastien. I checked with Hitachi s website and their hard drive utility does not work with micro drives, so I m not sure how to
            Message 5 of 10 , Mar 20, 2009
              On Fri, 2009-03-20 at 09:18 +0100, Sébastien Lorquet wrote:
              > You seem to have a dead sector on your device.
              > Microdrive are very sensitive pieces of hardware.
              >
              > If I were you, I would test this µd + its usb adapter on another linux
              > workstation.
              > The odds that the problem comes from the slug itself are very thin.
              >
              > Sebastien.

              I think you are right, Sebastien. I checked with Hitachi's website and
              their hard drive utility does not work with micro drives, so I'm not
              sure how to find and map out bad sectors on this drive. I wanted to use
              this NSLU2 for a weather cam, so the current USB flash drive will
              probably see allot of activity. Flash is so inexpensive these days, it
              may not be worth worrying about how long they last. Thanks.

              Kirk
              http://www.wallacecompany.com/machine_shop/
            • Mike (mwester)
              Kirk Wallace wrote: ... That s why SlugOS 5 now supports RAID-1 in the base firmware image; just use two USB flash drives (from different vendors ideally).
              Message 6 of 10 , Mar 20, 2009
                Kirk Wallace wrote:
                .... I wanted to use
                > this NSLU2 for a weather cam, so the current USB flash drive will
                > probably see allot of activity. Flash is so inexpensive these days, it
                > may not be worth worrying about how long they last.

                That's why SlugOS 5 now supports RAID-1 in the base firmware image; just
                use two USB flash drives (from different vendors ideally).

                Mike (mwester)
              • dystopianrebel
                ... I have had SlugOS/BE running off of Microdrives for two years without problem. What I found a little tricky at first was finding a CompactFlash II
                Message 7 of 10 , Mar 23, 2009
                  --- In nslu2-linux@yahoogroups.com, "kirkwallace320" <kwallace@...> wrote:
                  > Is there a known issue with microdrives and the NSLU2?

                  I have had SlugOS/BE running off of Microdrives for two years without problem. What I found a little tricky at first was finding a CompactFlash II compatible reader. I found that the SDDR-92 from SanDisk works best. There is a GE CompactFlash II reader that also works.
                • Kirk Wallace
                  ... My converter is by DataFab with a DF-UG-07 chip on it. It seems to work okay. The drive is a refurbished drive, so I don t know its history. I think that
                  Message 8 of 10 , Mar 23, 2009
                    On Tue, 2009-03-24 at 00:44 +0000, dystopianrebel wrote:
                    > --- In nslu2-linux@yahoogroups.com, "kirkwallace320" <kwallace@...>
                    > wrote:
                    > > Is there a known issue with microdrives and the NSLU2?
                    >
                    > I have had SlugOS/BE running off of Microdrives for two years without
                    > problem. What I found a little tricky at first was finding a
                    > CompactFlash II compatible reader. I found that the SDDR-92 from
                    > SanDisk works best. There is a GE CompactFlash II reader that also
                    > works.

                    My converter is by DataFab with a DF-UG-07 chip on it. It seems to work
                    okay. The drive is a "refurbished" drive, so I don't know its history. I
                    think that the problem is that I have a bad sector in the boot area that
                    can't be mapped out by the OS. Otherwise it seems to work fine for
                    removable file storage, which is better done with a flash drive.
                    -----------
                    Kirk
                    http://www.wallacecompany.com/machine_shop/
                  • Kirk Wallace
                    ... I plugged a flash CF card into the Datafab and got a similar message. The error calls out the last available sector on the microdrive or the flash. I m
                    Message 9 of 10 , Mar 25, 2009
                      On Mon, 2009-03-23 at 18:50 -0700, Kirk Wallace wrote:
                      > On Tue, 2009-03-24 at 00:44 +0000, dystopianrebel wrote:
                      > > --- In nslu2-linux@yahoogroups.com, "kirkwallace320" <kwallace@...>
                      > > wrote:
                      > > > Is there a known issue with microdrives and the NSLU2?
                      > >
                      > > I have had SlugOS/BE running off of Microdrives for two years
                      > without
                      > > problem. What I found a little tricky at first was finding a
                      > > CompactFlash II compatible reader. I found that the SDDR-92 from
                      > > SanDisk works best. There is a GE CompactFlash II reader that also
                      > > works.
                      >
                      > My converter is by DataFab with a DF-UG-07 chip on it. It seems to
                      > work okay. The drive is a "refurbished" drive, so I don't know its
                      > history. I think that the problem is that I have a bad sector in the
                      > boot area that can't be mapped out by the OS. Otherwise it seems to
                      > work fine for removable file storage, which is better done with a
                      > flash drive.
                      > -----------
                      > Kirk
                      > http://www.wallacecompany.com/machine_shop/

                      I plugged a flash CF card into the Datafab and got a similar message.
                      The error calls out the last available sector on the microdrive or the
                      flash. I'm going to try to find the SDDR-92 mentioned above and give it
                      a try.
                      -------------
                      Kirk
                    • Kirk Wallace
                      ... Thank you. I found a GE adapter (ALCOR AU6368 inside) and that seems to be working. It s kind of a let down because it just works as it should,... the best
                      Message 10 of 10 , Apr 2 5:26 PM
                        On Tue, 2009-03-24 at 00:44 +0000, dystopianrebel wrote:
                        > --- In nslu2-linux@yahoogroups.com, "kirkwallace320" <kwallace@...>
                        > wrote:
                        > > Is there a known issue with microdrives and the NSLU2?
                        >
                        > I have had SlugOS/BE running off of Microdrives for two years without
                        > problem. What I found a little tricky at first was finding a
                        > CompactFlash II compatible reader. I found that the SDDR-92 from
                        > SanDisk works best. There is a GE CompactFlash II reader that also
                        > works.

                        Thank you. I found a GE adapter (ALCOR AU6368 inside) and that seems to
                        be working. It's kind of a let down because it just works as it
                        should,... the best kind of let down.
                        ---------------
                        Kirk
                        http://www.wallacecompany.com/machine_shop/
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